At&t Note / T-mobile 3g/4g fix Found- pledged donors step up[$455 Paid, $235 Left]

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lboy109

Member
Aug 9, 2010
46
2
good news Whitehawkx is going to help us out with this. please refer to this link.
http://xdaforums.com/showthread.php?t=1521755&page=5

Whitehawkx said:
Ok... I'll bite. Guess I could use the bounty to get myself a Note and give you guys another rom option...

So first things first. I want someone who knows how to pull a logcat to flash this specific T-mobile T989 modem with odin - http://www.4shared.com/file/GLhtc1O_/PDA_KL1_modemtar.html

After you've flashed that modem, reboot and pull a logcat. I want to see what it's doing when it's getting all laggy/freezing. Then we can go from there. I checked the build.props and they are IDENTICAL with the exception of the different phone models/fingerprint (makes no difference concerning data).
Click to expand...
Click to collapse


Feel free to donate to the cause.
 
L

lboy109

Member
Aug 9, 2010
46
2
Whitehawkx said:
Ok... I'll bite. Guess I could use the bounty to get myself a Note and give you guys another rom option...

So first things first. I want someone who knows how to pull a logcat to flash this specific T-mobile T989 modem with odin - http://www.4shared.com/file/GLhtc1O_/PDA_KL1_modemtar.html

After you've flashed that modem, reboot and pull a logcat. I want to see what it's doing when it's getting all laggy/freezing. Then we can go from there. I checked the build.props and they are IDENTICAL with the exception of the different phone models/fingerprint (makes no difference concerning data).
Click to expand...
Click to collapse

awesome news i will be increasing my donation as well from $20 to $50.

i posted the awesome news over at [MOD] Enabling Tmobile 3g/4g on the Note
http://xdaforums.com/showthread.php?t=1512371

i did hear about a logcat already pulled after a flash over in that discussion.
 
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Snarksneeze

Snarksneeze

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Jonesboro, Arkansas
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CB620

CB620

Senior Member
Jan 6, 2009
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Let's get the ball rolling. I'm ready to dump my nexus.

:D

Sent from my Galaxy Nexus using XDA Premium App
 
T

tomin.fhl

Senior Member
Sep 30, 2007
198
154
Snarksneeze said:
Before he hit the sack last night, he asked for a logcat. If you have the T989 modem and a T-Mobile SIM (with 4g data plan), please post your logcat here as an attachment (copy/paste is nasty outside of a code bracket).
Click to expand...
Click to collapse

I thought kc720 already provided a logcat with a T989 modem in post 82, page 9 of this thread.

EDIT 1: Never mind. I read his post and see he wants the logcat from a specific modem.
 
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E

edulienko

Member
Jun 26, 2010
8
0
Increased donation

I am willing to put $50. I love the phone and want to use it on T-MOBILE. Where do I pay please? First time here...Thanks.

Eddie
 
E

Eric-1987

Senior Member
Jul 6, 2009
1,503
143
Whitehawkx said:
Ok... I'll bite. Guess I could use the bounty to get myself a Note and give you guys another rom option...

So first things first. I want someone who knows how to pull a logcat to flash this specific T-mobile T989 modem with odin - http://www.4shared.com/file/GLhtc1O_/PDA_KL1_modemtar.html

After you've flashed that modem, reboot and pull a logcat. I want to see what it's doing when it's getting all laggy/freezing. Then we can go from there. I checked the build.props and they are IDENTICAL with the exception of the different phone models/fingerprint (makes no difference concerning data).
Click to expand...
Click to collapse

Nice would be awesome if you got a note I miss your rom for my SGS4G!
 
Whitehawkx

Whitehawkx

Retired Recognized Developer
Oct 13, 2010
2,447
9,270
Emerald City
Eric-1987 said:
Nice would be awesome if you got a note I miss your rom for my SGS4G!
Click to expand...
Click to collapse

If I get this figured out that's exactly what I'll be doing with the bounty. WIN/WIN all around.

I checked the logcats in that other thread but didn't see anything useful. I really need someone to flash ONLY the tmo sgs2 modem and then run a logcat while it's freezing up. And yes you must have a TMO sim card for this to work.
 
L

lboy109

Member
Aug 9, 2010
46
2
Whitehawkx said:
If I get this figured out that's exactly what I'll be doing with the bounty. WIN/WIN all around.

I checked the logcats in that other thread but didn't see anything useful. I really need someone to flash ONLY the tmo sgs2 modem and then run a logcat while it's freezing up. And yes you must have a TMO sim card for this to work.
Click to expand...
Click to collapse


so i have both the t989 and the i717 and t-mobile 4g data plan.
tell me what to do, i never pulled a logcat.
 
Whitehawkx

Whitehawkx

Retired Recognized Developer
Oct 13, 2010
2,447
9,270
Emerald City
lboy109 said:
so i have both the t989 and the i717 and t-mobile 4g data plan.
tell me what to do, i never pulled a logcat.
Click to expand...
Click to collapse

First things first... you HAVE to be comfortable using odin. This will render your phone unusable momentarily, though it can be recovered by odining the stock rom back on. If you are not comfortable with this than do not do anything. ^^

Now, if you are still with me what you need to do first is download a logcat app from the market. I always use catlog (i think thats what its called). Go to settings and set it up to record every 10 lines.

Now you need to flash this modem onto your phone using odin http://www.4shared.com/file/GLhtc1O_/PDA_KL1_modemtar.html - after you've done that reboot, and then go and open that logcat app up and set it to record. Recording saves everything as a text document on your sdcard so you can pull it later. Very nifty.

Now just use your phone. Ppl have reported the phone freezes after flashing a tmobile modem. I'm wanting a logcat to see what's going crazy and causing this to happen. Another thing you can try for funsies is go to settings and search for mobile networks and/or enter a tmobile apn in manually. If you don't know how to do this it's ok. I really just need a logcat of wtf is going on when the modem is flashed.

Seems to be a common believe that a diff kernel is needed but I just don't buy that... I'm betting it's just the modem, MAYBE some libs/modules and possibly a few smali edits. Curse not being able to test this myself. :p
 
Whitehawkx

Whitehawkx

Retired Recognized Developer
Oct 13, 2010
2,447
9,270
Emerald City
Something else I was thinking about. On the T-mobile Vibrant, the 850 band for AT&T edge was disabled by default. You had to go into the "secret" network menu to turn it on. I was kinda wondering if maybe that was the case here. That you need to go into the secret network menu to enable the 1700 band. Hmmmm....


EDIT: I found this. It's worth a shot.

#7465625*638*Code# = Disables Network lock

Also this might show what bands are enabled - Show network information: *#8999*638#

more stuff * # 0011 # Displays status information for the GSM
 
Last edited:
itsjusttim

itsjusttim

Senior Member
Aug 12, 2010
1,924
173
SoCal
Whitehawkx said:
Then I find this which is going to break everyone's hearts...

http://www.engadget.com/2012/02/16/psa-atandts-galaxy-note-does-not-support-aws-for-hspa/

In short, they are saying that the AT&T Note does NOT support the AWS 1700 band which means you will never get 3g/4g no matter how hard you try. So sad...

Does this mean I get the bounty for figuring out it's just not possible? :D *sarcasm*
Click to expand...
Click to collapse

That article only talks about out of box and unlocked... Not about modem flashing and everything we are trying.

Still hope

Sent from my SAMSUNG-SGH-I717 using xda premium
 
Whitehawkx

Whitehawkx

Retired Recognized Developer
Oct 13, 2010
2,447
9,270
Emerald City
itsjusttim said:
That article only talks about out of box and unlocked... Not about modem flashing and everything we are trying.

Still hope

Sent from my SAMSUNG-SGH-I717 using xda premium
Click to expand...
Click to collapse

If the hardware itself does not support the 1700 band then no matter what anyone does it will never support 3g/4g on tmobile's network. :(

I also noticed on AT&T's site the 1700 band is not listed as a supported spec. The hardware has to support the 1700 band for it to work.

EDIT: Try using the codes I supplied above.
 
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    T
    tomin.fhl
    SOLUTION (At least one solution that works)

    jamesd86 said:
    might as well buy it, it will work. ;)
    Click to expand...
    Click to collapse

    AND IT DOES!

    Ok. I have successfully managed to get T-mobile 4G working on an AT&T Galaxy Note with absolutely no freezing. I have been able to replicate T-mobile 4G with three different modems: (1) T-mobile SGH-T989 KID, (2) T-mobile SGH-T989 VKL1, and (3) Telus KJ3. These modems can be found in this post http://xdaforums.com/showthread.php?t=1507825. Also, there is full phone functionality.

    Here is how I achieved T-Mobile 4G on an AT&T Galaxy Note.

    PRELIMINARY NOTES

    The AT&T Note was networked unlocked
    I have been on T-Mobile for the past 3 years
    I am on the T-mobile post paid 5GB Data Android Plan (with unlimited talk and text)
    T-mobile sim was in the device while testing the solution
    The Galaxy Note was rooted, and running the latest Saurom Projekt Team Rom with the kernel that comes with that rom (DA_G's kernel I think).
    The phone functions perfectly. My family called while I was testing and there were no issues.
    Photo evidence and in follow up posts.
    Video evidence here http://www.youtube.com/watch?v=xPW3DTecmVI by zedomax.

    CAVEATS

    Signal strength on my note was less than it was on my GS II. Indoors, I struggled to get two bars of reception.
    I have yet to break 5Mbps download speeds and upload speeds are low, usually 1 Mbps or less.

    EDIT: In some locations I am getting excess of 9Mbs down and 2Mbs up.

    HOW THIS SOLUTION DIFFERS FROM OTHER ATTEMPTS

    All other attempts I have seen in both threads attempt to flash both the modem (mdm.bin) and the software that runs/communicates with the modem (amss.bin). CWM solutions were worse because those solutions also flashed two lib files (libril.so and libril-qc-qmi-1.so) that might be adding to the conflict.

    Since all of the other solutions were resulting in lags/freezes/crashes, it seemed that either mdm.bin, amss.bin, or one of the lib files must be conflicting with some other component on the device. Since it was confirmed that 4G was possible before the lags/freezes/crashes, it seemed that the modem file was compatible. The only solution left was to eliminate any conflict possibly arising from the amss.bin or the lib files. In a nutshell, the solution is to flash mdm.bin without amss.bin or the lib files.



    THE SOLUTION

    I recommend using SOLUTION 1 below. It is easy and all you have to do is download the modem you are interested in and flash through CWM. But if you are game, you can go for SOLUTION 2 which is a bit more technical and requires comfort with adb and the dd command. That solution relies on adb and dd to write the mdm.bin file directly to the mmcblk0p17 partition on the device. Before we do that you MUST (1) have a NANDdroid back up and (2) you must follow the instructions here to backup your current mdm.bin/mmcblk0p17 partition so you can restore it when you need to.

    - NANDROID and OTHER PREP

    1. Do your nandroid backup (sorry, I can't explain that here)
    2. Power off phone, remove battery, and install T-Mobile sim with a smartphone/data plan.
    3. Power on phone
    4. Make sure you have adb working on your pc with all the necessary samsung usb drivers etc. (sorry, I can't explain that here)
    5. Make sure usb debugging mode is on (Settings, Applications, Development)
    6. Make sure "Unknown sources" is on (Settings, Applications ... this may not be necessary, but it worked for me, so let's just do it.)

    - SOLUTION 1 - THE NICE AND EASY WAY


    1. Using CMW, flash your modem of choice from the following:

    - Telus Kj3 - http://www.mediafire.com/?y53w18h8xx76u7z
    - T-mobile SGH-T989 KID - http://www.mediafire.com/?o7d1z5xlox1jxkp
    - T-mobile SGH-T989 VKL1 - http://www.mediafire.com/?872a6s8mccw4dxu

    2. Reboot your phone.

    3. That's it. You should be ready to roll and can ignore all the technical stuff below. That is just there so people can build on the work.

    4. To get back to AT&T you can flash this file. http://dl.dropbox.com/u/10098708/Att_ucla1_ radio.zip


    - TWEAKS

    Since most people won't need Solution 2 (below) I'll post any updates/tweaks here.

    1. Build.prop - using this build.prop I was able to reach average downloads speeds of 9Mbps and uploads of 2-3Mbps at work where I had very strong reception. Before the this tweak I was stuck at around 4Mbps down and 1Mbps up. At home I went back to around 4MBps down, but it was consistent while up speeds remained poor (less than 1 Mbps). At least one other user has reported improvements with this build.prop. I'll ask him to post his results. You can find the file here: http://xdaforums.com/showpost.php?p=23571185&postcount=290. The file is NoT a flashable zip. You have to (1) unzip it (2) remove .test from the end of the file name so it reads build.prop and then use root explorer (from market) to place it in your /system/ folder. back up your old build.prop for safe measure. Reboot.

    - SOLUTION 2 - THE TECHNICAL WAY (or if you have trouble flashing the above)

    1. Create three folders on your internal sdcard (/sdcard) or your external sd card (/sdcard/external_sd). These folders are (1) ATT, (2) TMOBILE, and (3) TELUS. Then create two subfolders in the TMOBILE folder: (a) KID, and (b) VKL1.

    2. Backup your original mdm.bin and amss.bin partitions

    - Get adb up an running and make certain your phone is connected to your pc.
    - Run the following commands to back up your mdm.bin. You may as well back up your amss.bin as well for good measure.

    - For those using the internal storage use the following commands.

    adb shell dd if=/dev/block/mmcblk0p17 of=/sdcard/ATT/mdm.bin
    adb shell dd if=/dev/block/mmcblk0p13 of=/sdcard/ATT/amss.bin

    - For those using the external sd card use the following commands.

    adb shell dd if=/dev/block/mmcblk0p17 of=/sdcard/external_sd/ATT/mdm.bin
    adb shell dd if=/dev/block/mmcblk0p13 of=/sdcard/external_sd/ATT/amss.bin

    - Good. Now your original modem files are backed up on your internal storage or external sd card. Please don't overwrite them. Back them up somewhere else just to be safe.


    3. Now we need to download and store either one of the T-Mobile mdm.bin files or the Telus mdm.bin file.

    - Download the modem you want to test from this post http://xdaforums.com/showthread.php?t=1507825.
    - I had the best results with the T-mobile SGH-T989 KID so I'll use that for these instructions.
    - After downloading the modem, extract the mdm.bin file. Remember, this is the only file you want to mess with right now. (Maybe when we do more tweaking we can optimize the amss.bin file and the lib files as well.)

    - If you downloaded the T-mobile SGH-T989 KID, save the mdm.bin file in /sdcard/TMOBILE/KID folder (internal sd) or the /sdcard/external_sd/TMOBILE/KID (external sd card).

    - if you downloaded the T-mobile SGH-T989 VKL1, save the mdm.bin file in /sdcard/TMOBILE/VKL1 folder (internal sd) or the /sdcard/external_sd/TMOBILE/VKL1 (external sd card).

    - if you downloaded the Telus KJ3, save the mdm.bin file in /sdcard/TELUS/ folder (internal sd) or the /sdcard/external_sd/TELUS/ (external sd card).

    - Good. Now you have the mdm.bin file in a location that tells you exactly which modem you will be flashing.

    4. Now all we need to do is copy the mdm.bin to the correct partition on the Note.


    - For those using the T-mobile SGH-T989 KID modem the use the following command without the quotes.

    "adb shell dd if=/sdcard/external_sd/TMOBILE/KID/mdm.bin of=/dev/block/mmcblk0p17" (external storage)

    "adb shell dd if=/sdcard/TMOBILE/KID/mdm.bin of=/dev/block/mmcblk0p17" (internal storage)



    - For those using the T-mobile SGH-T989 VKL1 modem use the following command without the quotes.

    "adb shell dd if=/sdcard/external_sd/TMOBILE/VKL1/mdm.bin of=/dev/block/mmcblk0p17" (external storage)

    "adb shell dd if=/sdcard/TMOBILE/VKL1/mdm.bin of=/dev/block/mmcblk0p17" (internal storage)


    - For those using the Telus KJ3 modem use the following command without the quotes.

    "adb shell dd if=/sdcard/external_sd/TELUS/mdm.bin of=/dev/block/mmcblk0p17" (external storage)

    "adb shell dd if=/sdcard/TELUS/mdm.bin of=/dev/block/mmcblk0p17" (internal storage)

    5. If all of that went well, all we have to do now is reboot, let the device settle down (updating the storage takes a little while longer since we put all those modem files in there), and then force the device to use HSDPA.

    - Enter the following command without quotes

    "adb shell reboot"

    - Let the device restart
    - Let media scanning complete (really, be a little patient with it)
    - Look for the 4G icon to appear where only an edge symbol used to be.
    - If there is no 4G icon, check you reception strength. I had low reception indoors that improved when I went outdoors.
    - If after trying to get a stronger signal you still only get edge, you might need to force your phone to use HSPA only.

    6. Forcing your phone to use HSPA

    - Go to Settings
    - Go to Wireless and network
    - Scroll down and go to Mobile networks
    - Go to Network mode
    - Select HSPA only

    OR

    - Enter *#2263# on the dialpad
    - Select [2] WCDMA Band Preference
    - Select [3] WCDMA 1700

    7. Ok, that's it. Next step, reading through your posts and collecting my bounty :D.

    Enjoy the picture evidence of my T-mobile on the AT&T Galaxy Note with no lag/freeze/ or crashes.
    View
    11
    Y
    yalkowni
    [MOD] Enabling Tmobile 3g/4g on the Note

    The Att Note might support 3g/4g in the same exact way the skyrocket works.

    ALL CREDIT GOES TO TOMIN!!!!!

    - NANDROID and OTHER PREP
    1. Do your nandroid backup (sorry, I can't explain that here)
    2. Power off phone, remove battery, and install T-Mobile sim with a
    smartphone/data plan.
    3. Power on phone
    4. Make sure you have adb working on your pc with all the necessary
    samsung usb drivers etc. (sorry, I can't explain that here)
    5. Make sure usb debugging mode is on (Settings, Applications,
    Development)
    6. Make sure "Unknown sources" is on (Settings, Applications ... this
    may not be necessary, but it worked for me, so let's just do it.)
    - SOLUTION 1 - THE NICE AND EASY WAY
    1. Using CMW, flash your modem of choice from the following:
    - Telus Kj3 - http://www.mediafire.com/?y53w18h8xx76u7z
    - T-mobile SGH-T989 KID - http://www.mediafire.com/?
    o7d1z5xlox1jxkp
    - T-mobile SGH-T989 VKL1 - http://www.mediafire.com/?
    872a6s8mccw4dxu
    2. Reboot your phone.
    3. That's it. You should be ready to roll and can ignore all the technical
    stuff below. That is just there so people can build on the work.
    CWM. But if you are game, you can go for SOLUTION 2 which is a bit
    more technical and requires comfort with adb and the dd command.
    That solution relies on adb and dd to write the mdm.bin file directly to
    the mmcblk0p17 partition on the device. Before we do that you MUST
    (1) have a NANDdroid back up and (2) you must follow the instructions
    here to backup your current mdm.bin/mmcblk0p17 partition so you
    can restore it when you need to.
    - NANDROID and OTHER PREP
    1. Do your nandroid backup (sorry, I can't explain that here)
    2. Power off phone, remove battery, and install T-Mobile sim with a
    smartphone/data plan.
    3. Power on phone
    4. Make sure you have adb working on your pc with all the necessary
    samsung usb drivers etc. (sorry, I can't explain that here)
    5. Make sure usb debugging mode is on (Settings, Applications,
    Development)
    6. Make sure "Unknown sources" is on (Settings, Applications ... this
    may not be necessary, but it worked for me, so let's just do it.)
    - SOLUTION 1 - THE NICE AND EASY WAY
    1. Using CMW, flash your modem of choice from the following:
    - Telus Kj3 - http://www.mediafire.com/?y53w18h8xx76u7z
    - T-mobile SGH-T989 KID - http://www.mediafire.com/?
    o7d1z5xlox1jxkp
    - T-mobile SGH-T989 VKL1 - http://www.mediafire.com/?
    872a6s8mccw4dxu
    2. Reboot your phone.
    3. That's it. You should be ready to roll and can ignore all the technical
    stuff below. That is just there so people can build on the work.
    - SOLUTION 2 - THE TECHNICAL WAY (or if you have trouble flashing
    the above)
    1. Create three folders on your internal sdcard (/sdcard) or your
    external sd card (/sdcard/external_sd). These folders are (1) ATT, (2)
    TMOBILE, and (3) TELUS. Then create two subfolders in the TMOBILE
    folder: (a) KID, and (b) VKL1.
    2. Backup your original mdm.bin and amss.bin partitions
    - Get adb up an running and make certain your phone is connected to
    your pc.
    - Run the following commands to back up your mdm.bin. You may as
    well back up your amss.bin as well for good measure.
    - For those using the internal storage use the following commands.
    adb shell dd if=/dev/block/mmcblk0p17 of=/sdcard/ATT/mdm.bin
    adb shell dd if=/dev/block/mmcblk0p13 of=/sdcard/ATT/amss.bin
    - For those using the external sd card use the following commands.
    adb shell dd if=/dev/block/mmcblk0p17 of=/sdcard/external_sd/
    ATT/mdm.bin
    adb shell dd if=/dev/block/mmcblk0p13 of=/sdcard/external_sd/
    ATT/amss.bin
    - Good. Now your original modem files are backed up on your internal
    storage or external sd card. Please don't overwrite them. Back them up
    somewhere else just to be safe.
    3. Now we need to download and store either one of the T-Mobile
    mdm.bin files or the Telus mdm.bin file.
    - Download the modem you want to test from this post http://
    xdaforums.com/show....php?t=1507825 .
    - I had the best results with the T-mobile SGH-T989 KID so I'll use that
    for these instructions.
    - After downloading the modem, extract the mdm.bin file. Remember,
    this is the only file you want to mess with right now. (Maybe when we
    do more tweaking we can optimize the amss.bin file and the lib files as
    well.)
    - If you downloaded the T-mobile SGH-T989 KID, save the mdm.bin
    file in /sdcard/TMOBILE/KID folder (internal sd) or the /sdcard/
    external_sd/TMOBILE/KID (external sd card).
    - if you downloaded the T-mobile SGH-T989 VKL1, save the mdm.bin
    file in /sdcard/TMOBILE/VKL1 folder (internal sd) or the /sdcard/
    external_sd/TMOBILE/VKL1 (external sd card).
    - if you downloaded the Telus KJ3, save the mdm.bin file in /sdcard/
    TELUS/ folder (internal sd) or the /sdcard/external_sd/TELUS/
    (external sd card).
    - Good. Now you have the mdm.bin file in a location that tells you
    exactly which modem you will be flashing.
    4. Now all we need to do is copy the mdm.bin to the correct partition
    on the Note.
    - For those using the T-mobile SGH-T989 KID modem the use the
    following command without the quotes.
    "adb shell dd if=/sdcard/external_sd/TMOBILE/KID/mdm.bin of=/
    dev/block/mmcblk0p17" (external storage)
    "adb shell dd if=/sdcard/TMOBILE/KID/mdm.bin of=/dev/block/
    mmcblk0p17" (internal storage)
    - For those using the T-mobile SGH-T989 VKL1 modem use the
    following command without the quotes.
    "adb shell dd if=/sdcard/external_sd/TMOBILE/VKL1/mdm.bin of=/
    dev/block/mmcblk0p17" (external storage)
    "adb shell dd if=/sdcard/TMOBILE/VKL1/mdm.bin of=/dev/block/
    mmcblk0p17" (internal storage)
    - For those using the Telus KJ3 modem use the following command
    without the quotes.
    "adb shell dd if=/sdcard/external_sd/TELUS/mdm.bin of=/dev/block/
    mmcblk0p17" (external storage)
    "adb shell dd if=/sdcard/TELUS/mdm.bin of=/dev/block/
    mmcblk0p17" (internal storage)
    5. If all of that went well, all we have to do now is reboot, let the device
    settle down (updating the storage takes a little while longer since we
    put all those modem files in there), and then force the device to use
    HSDPA.
    - Enter the following command without quotes
    "adb shell reboot"
    - Let the device restart
    - Let media scanning complete (really, be a little patient with it)
    - Look for the 4G icon to appear where only an edge symbol used to
    be.
    - If there is no 4G icon, check you reception strength. I had low
    reception indoors that improved when I went outdoors.
    - If after trying to get a stronger signal you still only get edge, you
    might need to force your phone to use HSPA only.
    6. Forcing your phone to use HSPA
    - Go to Settings
    - Go to Wireless and network
    - Scroll down and go to Mobile networks
    - Go to Network mode
    - Select HSPA only
    View
    6
    T
    tomin.fhl
    SOLUTION (At least one solution that works)

    Ok. I have successfully managed to get T-mobile 4G working on an AT&T Galaxy Note with absolutely no freezing. I have been able to replicate T-mobile 4G with three different modems: (1) T-mobile SGH-T989 KID, (2) T-mobile SGH-T989 VKL1, and (3) Telus KJ3. These modems can be found in this post http://xdaforums.com/showthread.php?t=1507825. Also, there is full phone functionality.

    Here is how I achieved T-Mobile 4G on an AT&T Galaxy Note.

    PRELIMINARY NOTES

    The AT&T Note was networked unlocked
    I have been on T-Mobile for the past 3 years
    I am on the T-mobile post paid 5GB Data Android Plan (with unlimited talk and text)
    T-mobile sim was in the device while testing the solution
    The Galaxy Note was rooted, and running the latest Saurom Projekt Team Rom with the kernel that comes with that rom (DA_G's kernel I think).
    The phone functions perfectly. My family called while I was testing and there were no issues.


    CAVEATS

    Signal strength on my note was less than it was on my GS II. Indoors, I struggled to get two bars of reception.
    I have yet to break 5Mbps download speeds and upload speeds are low, usually 1 Mbps or less.

    HOW THIS SOLUTION DIFFERS FROM OTHER ATTEMPTS

    All other attempts I have seen in both threads attempt to flash both the modem (mdm.bin) and the software that runs/communicates with the modem (amss.bin). CWM solutions were worse because those solutions also flashed two lib files (libril.so and libril-qc-qmi-1.so) that might be adding to the conflict.

    Since all of the other solutions were resulting in lags/freezes/crashes, it seemed that either mdm.bin, amss.bin, or one of the lib files must be conflicting with some other component on the device. Since it was confirmed that 4G was possible before the lags/freezes/crashes, it seemed that the modem file was compatible. The only solution left was to eliminate any conflict possibly arising from the amss.bin or the lib files. In a nutshell, the solution is to flash mdm.bin without amss.bin or the lib files.



    THE SOLUTION

    I recommend using SOLUTION 1 below. It is easy and all you have to do is download the modem you are interested in and flash through CWM. But if you are game, you can go for SOLUTION 2 which is a bit more technical and requires comfort with adb and the dd command. That solution relies on adb and dd to write the mdm.bin file directly to the mmcblk0p17 partition on the device. Before we do that you MUST (1) have a NANDdroid back up and (2) you must follow the instructions here to backup your current mdm.bin/mmcblk0p17 partition so you can restore it when you need to.

    - NANDROID and OTHER PREP

    1. Do your nandroid backup (sorry, I can't explain that here)
    2. Power off phone, remove battery, and install T-Mobile sim with a smartphone/data plan.
    3. Power on phone
    4. Make sure you have adb working on your pc with all the necessary samsung usb drivers etc. (sorry, I can't explain that here)
    5. Make sure usb debugging mode is on (Settings, Applications, Development)
    6. Make sure "Unknown sources" is on (Settings, Applications ... this may not be necessary, but it worked for me, so let's just do it.)

    - SOLUTION 1 - THE NICE AND EASY WAY


    1. Using CMW, flash your modem of choice from the following:

    - Telus Kj3 - http://www.mediafire.com/?y53w18h8xx76u7z
    - T-mobile SGH-T989 KID - http://www.mediafire.com/?o7d1z5xlox1jxkp
    - T-mobile SGH-T989 VKL1 - http://www.mediafire.com/?872a6s8mccw4dxu

    2. Reboot your phone.
    3. That's it. You should be ready to roll and can ignore all the technical stuff below. That is just there so people can build on the work.


    - SOLUTION 2 - THE TECHNICAL WAY (or if you have trouble flashing the above)

    1. Create three folders on your internal sdcard (/sdcard) or your external sd card (/sdcard/external_sd). These folders are (1) ATT, (2) TMOBILE, and (3) TELUS. Then create two subfolders in the TMOBILE folder: (a) KID, and (b) VKL1.

    2. Backup your original mdm.bin and amss.bin partitions

    - Get adb up an running and make certain your phone is connected to your pc.
    - Run the following commands to back up your mdm.bin. You may as well back up your amss.bin as well for good measure.

    - For those using the internal storage use the following commands.

    adb shell dd if=/dev/block/mmcblk0p17 of=/sdcard/ATT/mdm.bin
    adb shell dd if=/dev/block/mmcblk0p13 of=/sdcard/ATT/amss.bin

    - For those using the external sd card use the following commands.

    adb shell dd if=/dev/block/mmcblk0p17 of=/sdcard/external_sd/ATT/mdm.bin
    adb shell dd if=/dev/block/mmcblk0p13 of=/sdcard/external_sd/ATT/amss.bin

    - Good. Now your original modem files are backed up on your internal storage or external sd card. Please don't overwrite them. Back them up somewhere else just to be safe.


    3. Now we need to download and store either one of the T-Mobile mdm.bin files or the Telus mdm.bin file.

    - Download the modem you want to test from this post http://xdaforums.com/showthread.php?t=1507825.
    - I had the best results with the T-mobile SGH-T989 KID so I'll use that for these instructions.
    - After downloading the modem, extract the mdm.bin file. Remember, this is the only file you want to mess with right now. (Maybe when we do more tweaking we can optimize the amss.bin file and the lib files as well.)

    - If you downloaded the T-mobile SGH-T989 KID, save the mdm.bin file in /sdcard/TMOBILE/KID folder (internal sd) or the /sdcard/external_sd/TMOBILE/KID (external sd card).

    - if you downloaded the T-mobile SGH-T989 VKL1, save the mdm.bin file in /sdcard/TMOBILE/VKL1 folder (internal sd) or the /sdcard/external_sd/TMOBILE/VKL1 (external sd card).

    - if you downloaded the Telus KJ3, save the mdm.bin file in /sdcard/TELUS/ folder (internal sd) or the /sdcard/external_sd/TELUS/ (external sd card).

    - Good. Now you have the mdm.bin file in a location that tells you exactly which modem you will be flashing.

    4. Now all we need to do is copy the mdm.bin to the correct partition on the Note.


    - For those using the T-mobile SGH-T989 KID modem the use the following command without the quotes.

    "adb shell dd if=/sdcard/external_sd/TMOBILE/KID/mdm.bin of=/dev/block/mmcblk0p17" (external storage)

    "adb shell dd if=/sdcard/TMOBILE/KID/mdm.bin of=/dev/block/mmcblk0p17" (internal storage)



    - For those using the T-mobile SGH-T989 VKL1 modem use the following command without the quotes.

    "adb shell dd if=/sdcard/external_sd/TMOBILE/VKL1/mdm.bin of=/dev/block/mmcblk0p17" (external storage)

    "adb shell dd if=/sdcard/TMOBILE/VKL1/mdm.bin of=/dev/block/mmcblk0p17" (internal storage)


    - For those using the Telus KJ3 modem use the following command without the quotes.

    "adb shell dd if=/sdcard/external_sd/TELUS/mdm.bin of=/dev/block/mmcblk0p17" (external storage)

    "adb shell dd if=/sdcard/TELUS/mdm.bin of=/dev/block/mmcblk0p17" (internal storage)

    5. If all of that went well, all we have to do now is reboot, let the device settle down (updating the storage takes a little while longer since we put all those modem files in there), and then force the device to use HSDPA.

    - Enter the following command without quotes

    "adb shell reboot"

    - Let the device restart
    - Let media scanning complete (really, be a little patient with it)
    - Look for the 4G icon to appear where only an edge symbol used to be.
    - If there is no 4G icon, check you reception strength. I had low reception indoors that improved when I went outdoors.
    - If after trying to get a stronger signal you still only get edge, you might need to force your phone to use HSPA only.

    6. Forcing your phone to use HSPA

    - Go to Settings
    - Go to Wireless and network
    - Scroll down and go to Mobile networks
    - Go to Network mode
    - Select HSPA only

    OR

    - Enter *#2263# on the dialpad
    - Select [2] WCDMA Band Preference
    - Select [3] WCDMA 1700

    7. Ok, that's it. Next step, reading through your posts and collecting my bounty :D.

    Enjoy the picture evidence of my T-mobile on the AT&T Galaxy Note with no lag/freeze/ or crashes.
    View
    4
    itsjusttim
    itsjusttim
    At&t Note / T-mobile 3g/4g fix Found- pledged donors step up[$455 Paid, $235 Left]

    To All We have our 1st real FIX to make the Note-717 work on T-Mobile network it is found on post #113 the person who figured it out is tomin.fhl His email is below. a few people have independently verified the fix and did post their results verifying this fix is the REAL DEAL. ALL who pledged to donate to the bounty need to ante up and keep their promised pledge and donate their pledged money to Tomin.fhl. Congrats to him and we all owe our deep felt thanks to him for finding this fix.

    From all the XDA Community Thank you Tom...... A Happy Day to be sure !!!..... :D:D:D:D:cool: - oka1
    _______
    The fix is here:
    http://xdaforums.com/showpost.php?p=23522477&postcount=113

    Lets get this guy paid. His Paypal info is here:
    tomin.fhl@gmail.com

    1. itsjusttim $60 -PAID
    2. s1mpd1ddy $5 -PAID
    3. chrismfkr8 $50
    4. davidrileysr $100 -PAID
    5. guyinthebushes $20
    6. saudi2usa $50 -WON'T PAY
    7. MSigler $20 -PAID
    8. Snarksneeze $100 -PAID
    9. sashusmom $20 -PAID
    10. Cactoes Gel $20 -PAID
    11. lboy109 $50
    12. neromaverick $20 -PAID
    13. jlpatte2 $10 -PAID
    14. Rudeman74 $20 -PAID
    15. timfresh $50 -PAID
    16. edulienko $50
    17. Talderon $20 -PAID
    18. javqui 25 [3g], $50 [4g]

    Total Promised: $690
    Total Paid: $455
    ​

    Sent from my At&t Note on T-mobile 3g/4g
    View
    4
    AllGamer
    AllGamer
    in case anyone still have the drop call issues, here's a good work around http://xdaforums.com/showpost.php?p=23621077&postcount=2
    View

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