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[RADIO/GUIDE/TWEAK]Radio JK1,JK8,KB1,KB2,KB3,KD1,KF1 & UCKD1,KE1,KF1 with HSPDA Tweak

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window7
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(Last edited by window7; 8th April 2012 at 02:36 AM.) Reason: Added FAQ section + New Radio Version!
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Arrow [RADIO/GUIDE/TWEAK]Radio JK1,JK8,KB1,KB2,KB3,KD1,KF1 & UCKD1,KE1,KF1 with HSPDA Tweak

[RADIO/GUIDE] Radio JK1, JK8, KB1, KB2, KB3, KD1, KF1, UCKD1, UCKE1 and UCKF1

Quote:
Radio Flash (Fastboot&ADB)
Radio Flash (Fastboot&ADB)


Quote:
Radio for Korea Carrier ONLY
Radio KC1
Quote:
Radio Patch for I9020T ONLY
Radio KD1 =>> KF1


Quote:
For those who has IMEI problems, please CLICK HERE!!


What to know before you start flashing radio?
Quote:
1. Back up your EFS folder. Click here for the method of backup.
2. Check your phone MODEL (I9020A, I9020T & I9023).
3. Flash the CORRECT RADIO according to your phone model.
4. OPTIONAL After download the radio file, check your downloaded file md5 sum. Click here for the md5 sum
5. After flashing, check your radio baseband at Setting > About Phone > Baseband.

Want to have higher 3G speed connection? Use HSDPA Tweak
Lost your 3G Connection? Here's the solution:How to retrieve 3G connection?
Got question to ask? Read FAQ first
Want to Back up your EFS folder? Click here for the method of backup.

Method of Flashing Radio

Quote:
Method 1 (ClockWorkMod Recovery):


1, Reboot into recovery,
2, Select "select zip from SD card"
3, Locate where your radio file is
4, Select it and "yes"
5, Wait for it to reboot and you're done!



Method 2 (FASTBOOT + ADB):
(FOR WINDOWS Operation System only, NOT FOR MAC OS)


Part 1
1, Download Radio Flash (Fastboot&ADB).zip
2, Extract the folder to Desktop.
3, Open the extracted flash folder.
Part 2
1, Download the radio.zip file you would like to flash from the link above/attachment below.
2, Extract it to Desktop.
3, Copy the "radio.img" file from the folder and paste it into the Radio Flash Folder you had extracted in PART 1.
Part 3
1, Connect your Nexus S to computer (USB Debugging turn on, SD card mount turn off)
2, Double left click the "START HERE.bat" and command prompt window will open/run.
3, Type: "adb reboot bootloader". (The adb reboot bootloader will take the device directly to fastboot) OR boot the phone to bootloader by pressing the volume up key with power key at the same time.
4, Once your phone has rebooted in to bootloader screen, type "fastboot devices" to ensure your device is detected.
5, After confirm your device is detected with serial number, type "fastboot flash radio radio.img".
6, Once its done, type "fastboot reboot".
7, You're good to go



Method 3 (ROM MANAGER):
(Not recommended , but still if method 2 and 3 cant work, use this AT YOUR OWN RISK)


1, Install Rom Manager from Market.
2, Open Rom Manager and select "Install rom from SD".
3, Locate the file where you put the Radio file downloaded.
4, Flash it with Dalvik Cache wipe (Data and Cache wipe NOT required)
5, Enjoy it

HSDPA Tweak (Higher/Faster Data Connection Speed)

Quote:
Method 1 (Via Root Explorer):
Code:
1, Open "Root Explorer" and mount R/W.
2, Go to "system" and you will find there is a file name "build.prop".
3, Right click (By holding at the file) and there is menu pop out.
4, Scroll down and select edit in Text Editor.
5, Type in those few line of words below into the last line of the text.

ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hsdpa.category=16
ro.ril.hsupa.category=8

6, Save the file and reboot your phone TWICE.
Method 2 (Via ADB and USB debugging):
Code:
Part 1
1, Download the Radio Flash (Fastboot&ADB).zip from above.
2, Extract the folder to Desktop.
3, Open the extracted flash folder.

Part 2
1, Connect your Nexus S to computer (USB Debugging turn on, SD card mount turn off)
2, Double left click the "START HERE.bat" and command prompt window will open/run.
3, Type: "adb pull /system/build.prop" and DO NOT close the command prompt.
4, In that folder, you will now see a file name "build.prop"
5, Open with notepad/text editor and add in these lined of code. (Copy and paste)

ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hsdpa.category=16
ro.ril.hsupa.category=8

6, Then save the file. 
7, Type in "adb remount" in the command prompt.
8, Type in "adb push build.prop /system/build.prop" in the command prompt.
9, Reboot your phone TWICE and it should be good to go.
For those who want to know what those lines means, click here


FAQ
Click the word "FAQ" above to go to FAQ section.


Disclaimer: I assume you will have the knowledge regarding Rado (Baseband) to flash this radio update, I shall not be liable for anything that happen to your phone, including the procedure and method.
Everything was tested on my phone, not every phone is the same


Note: Extras credit to steve.garon, soniko, iamxeph , sheek360, BrainMaster and others who provided me the radio and answer
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liorry
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Thanks...
Still can't figure out why I get only 3G-UMTS (instead of HSDPA) with the KD1 baseband.
KB3 works fine.
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window7
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(Last edited by window7; 18th December 2011 at 07:09 AM.)
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Radio MD5 Sum

How to verify your MD5 sum?
Quote:
1. Download this MD5 Sum Checker
2. Extract it to desktop.
3. Open the md5.exe
4. Copy the md5 sum at below and go back to the md5.exe
5. Click "browse" and select your downloaded file.
6. Check complete


Legend:
The 1st MD5 sum is for the ZIP file of the radio.
The 2nd MD5 sum below the word "RADIO" is for the radio.img inside the zip file.


Quote:
XXJK8-radio-nexuss-unsigned
62C574774252E7FDA93845E4C61AD704


Radio.img
642E353E6E180FB0C48491FECD80079B

Quote:
XXJK8-V1-radio-nexuss-unsigned
869016540339302EE646ECBA81080637


Radio.img
642E353E6E180FB0C48491FECD80079B

Quote:
XXKB1-GRI40-radio-nexuss-unsigned
4805C255F10EEF8B1BD54AA2D27BC30E


Radio.img
942C7F6339E6ADA5A58CF656C3F1FD4A

Quote:
Radio Nexus S [XXKB3]
4E9C9CF4D6470BE800E00F8508B9C175


Radio.img
EBC55CCF390A9C310F4F3E8B6F178E59

Quote:
XXKD1-GRJ22-radio-nexuss-unsigned
57659F04148EBFA849EF523544F2A3DD


Radio.img
9E136A81C2D67648BB7E6642A7C805D5

Quote:
XXKF1-radio-nexuss-signed
365270BE137EED7DCA351386A8CDDEB9


Radio.img
9E0E2086FBC5ADCFF88E6CA0BFE2D0B8

Quote:
UCKD1-GRJ22-radio-nexuss-unsigned-sgaron
6BCA6A970E72424D55546CA484DF431A


Radio.img
2106935507A3C874D0EEFC5DF6AB60BF

Quote:
UCKE1-GRJ22-radio-nexuss-unsigned
E37672AD207DFA0A565EAA8C12CA5402


Radio.img
705AC305D5A0131D26562A2065485B87

Quote:
UCKF1-radio-nexuss-unsigned
B8E70F9245CF01DB10BF13870D1E341B


Radio.img
07CD2DD58418877BEA268F877931F886

Quote:
XXKB2-radio-nexuss-unsigned
7CA2DC12E00D592099C123FF057BE995


Radio.img
4E926FDF96A2350C85604B1A00009DC5

Quote:
XXKC1-radio-nexuss-unsigned
3D6745E0F5E55443EC1CB7CF01D99A36


Radio.img
4BCC117E9248E39FB2A0D800D072CC7C



Radio Attachment 2
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MistaJae
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I'm currently using KB3. I get good network at home but poor at work. KD1 seemed to give me the opposite!

Is one of these radios generally better for the UK?
Phone(s): HTC One M8
ROM(s): Stock
Kernel(s): Stock
Network(s): T-Mobile UK (EE)
 
window7
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(Last edited by window7; 8th April 2012 at 02:36 AM.)
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How to retrieve 3G Data Connection
Quote:
Method 1:
Code:
1. Go to Dialer. Dial *#*#4636#*#*
2. Go to Phone information. Choose the preferred network to 
    "GSM Auto PRL" or "CDMA Auto PRL" or whatever you have.
3. Scroll down, deactivate and activate Phone Radio.
4. Press Menu button.
5. Select Phone frequency, then choose your country.
6. In the previous menu push the Home button to go back to Homescreen.
7. Reboot.
(By Brainmaster)
Method 2:
(Advise: Before you play with it, please back up it. Click here for the method of backup.)
Code:
1. Use "Root Explorer" and navigate to /efs directory
2. Mount "R/W"
3. Cut these three files nv_data.bin , nv_data.bin.md5 and nv.log
4. Paste it at the ROOT of the SD Card.
5. Reboot your phone and you will have your 3G connection back.
(By alexwbaule)
Attached Files
File Type: zip UCKJ1-IMM77D-radio-nexuss-unsigned.zip - [Click for QR Code] (3.94 MB, 3536 views)
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pnnorth
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Quote:
Originally Posted by window7 View Post
Generally, for Australia, KD1 is better
Not sure for UK
Anyone from UK can give me some feedback?
I personally find kb3 slightly better in the uk, but not by much. Both radios offer good reception on Vodafone.

Sent from my Nexus S using XDA App
 
conman13
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KB3 works on i9020a! Just flashed it last night.
 
dario3040
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I would not recommend flashing radio's with Rom Manager.
Not flashing it properly might cause some serious problems.
____________________________________________



Delete System32
 
antiochasylum
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KD1 only allowed me a UTMS connection on my 9020A, just flashed this KB3 and hack to HSDPA :). Much faster :)

Thank you.

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Dario777
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Anyone in Spain tried it??
Impressions?

Tags
hsdpa tweak, jk8, kb3, kc1, kd1, kf1, nexus s, radio, uckd1, uckf1, xxkd1, xxkf1
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