Modem Patched, Fixed LTE & Mobile data

If the PDC tool works on the Android 13 ?


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JigsawMobile

Senior Member
Jan 28, 2019
212
58
Bosnia and Herzegovina
LG V60 ThinQ
I also tryed to your modem image but after flashing your universal modem it shows your phone is permanently locked and can not be unlocked
go phone info and see if IMEI there ot its 0.

Use universal modem only when other like V1-v3 does not work

Come to telegram group about problem with imei or make new your thread, this thread only for modem
 

frostt420

Member
Apr 1, 2023
7
1
I have an EA ROM on an ATT device, but we all faced on the A11 that after fixing the NT code, we are not able to use LTE and mobile data, but then we had the PDC tool where we loaded the .mbn.

Now on the A12 we don't have the ability to use PDC so I was forced to do something to get LTE & mobile data back and I made some changes to the modem .img where the problem was fixed.

Note: I read before that some people were not able to fix the fingerprint after croosflashing ROMs, now we can do it but by cross-modem images.

Current patched mods are for EA ROM A12 but there are one version for A11 if you do not want to use PDC tool.

We have three versions of the modems.
  • V1 is with minimal changes only for EU bands (outside it wil work or not)
  • V2 & V3 is with slightly bigger changes and can be used outsde EU,
in the previous modified versions, users had the problem that Netflix did not work on their A11, with V1.2 or Universal version where the mentioned problems have been fixed.
  • V1.2 only for A11
  • modem_Universal fully compatible with A10+ android but there are more changes than V3 modem
Note: it is always better to use a modem with fewer changes, this ensures that the updates are original and newer.

5G and VoLte working.

You can flash modems easily via Fastboot to A/B slots or you can flash via Qfill.
Flashing patched modem won"t bricked /bootlop your device.

DOWNLAOD modem.img
thx sir, it works at my device after crossflash EA rom
 
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hooutoo

Senior Member
Apr 17, 2009
517
106
Ft. Lauderdale
EFS tool, it using in test diag mode, phone must be in android.

we cant just extract partitions its encrypted
Well that's a freaking pitty. I stiil haven't found a way to put the custom rom into diag mode yet so I can't use EFS Explorer tool. But the good news is it may not be necessary. As I already mentioned, when I first flashed your modem.img v3 I got modestly better dl speeds. Now its somehow changed. Maybe tmob was screwing around with their equipment in the area or something else was influencing the network speed, but suddenly I got this.

Screenshot_20230401-082440.png

This is with LTE only, no 5g connection was ever made. This is by far the fastest DL SPEED I've ever seen on this phone. The qcom x55 modem on this phone can absolutely run.
 

JigsawMobile

Senior Member
Jan 28, 2019
212
58
Bosnia and Herzegovina
LG V60 ThinQ
Well that's a freaking pitty. I stiil haven't found a way to put the custom rom into diag mode yet so I can't use EFS Explorer tool. But the good news is it may not be necessary. As I already mentioned, when I first flashed your modem.img v3 I got modestly better dl speeds. Now its somehow changed. Maybe tmob was screwing around with their equipment in the area or something else was influencing the network speed, but suddenly I got this.

View attachment 5878117
This is with LTE only, no 5g connection was ever made. This is by far the fastest DL SPEED I've ever seen on this phone. The qcom x55 modem on this phone can absolutely run.
glad you are able to solve your problem that's good speed also you can try with V2 i think it will work for you too.
 

hooutoo

Senior Member
Apr 17, 2009
517
106
Ft. Lauderdale
glad you are able to solve your problem that's good speed also you can try with V2 i think it will work for you too.
At this point, unless you just need to know whether it'll work or not, I'm completely satisfied. I've never even seen 5g get to that speed, at least not in my area.

BTW, in a nutshell, what mods are you making to the modem img. Specifically, what changes to V3?
 

JigsawMobile

Senior Member
Jan 28, 2019
212
58
Bosnia and Herzegovina
LG V60 ThinQ
At this point, unless you just need to know whether it'll work or not, I'm completely satisfied. I've never even seen 5g get to that speed, at least not in my area.

BTW, in a nutshell, what mods are you making to the modem img. Specifically, what changes to V3?
You can unpack each modem separately and you can see what changes have been made. There are some files from A10 because a10 is much more flexible and less restrictive compared to newer firmware.
 

argamemnon

Member
Apr 2, 2023
12
1
Which country cartier do you using, why universal modem, why not v1 or v2
I use a Nigerian carrier called MTN Nigeria.
I ask about the universal modem because V1 did not work for me, produces no network reception. V2 and V3 works, but I can not use my mobile data. I can see 4g , my network settings is open. Infact, like I mentioned , I can use some apps like whatsapp and Telegram but I can not use my browsers, Google playstore or any of my main apps.
My fingerprint doesn't work but I really do not mind.

I just need my mobile data working again
 

argamemnon

Member
Apr 2, 2023
12
1
Guys
I use a Nigerian carrier called MTN Nigeria.
I ask about the universal modem because V1 did not work for me, produces no network reception. V2 and V3 works, but I can not use my mobile data. I can see 4g , my network settings is open. Infact, like I mentioned , I can use some apps like whatsapp and Telegram but I can not use my browsers, Google playstore or any of my main apps.
My fingerprint doesn't work but I really do not mind.

I just need my mobile data working again
Guys, I finally figured this thing out! So I just had to search for my network and select it, even tho it was registered automatically, but damn! I went through hell just to figure this out!

Now I can use my web browsers , playstore and every other application.

SETTINGS-NETWORK&INTERNET-MOBILE NETWORKS-NETWORK OPERATORS

Android 12. EA
 

zigiz1

Member
Nov 23, 2010
13
1
Bought phone - unlocked carrier LM-V600TM, ver. V600TM30d., made backups by QFIL. After that I unlocked bootloader, crosflashed POC V600EA30c_00_0616 kdz. Made changes in ftm - implemented OPEN_EU NT code, restored phone serial No. by HxD as administrator from original ftm backup and loaded by QFIL to phone. I live in EU Lithuania, and modem didn't work in LTE mode. Flashed to slot_a and slot_b modem from thread A12 v1 by QFIL. Modem didn't work in LTE mode. Flashed to slot_a and slot_b original modems from TMobile by QFIL. Modem worked in LTE mode, until restarted phone. After restart stopped. Flashed to slot_a modem from thread A12 v3 by QFIL. On slot_b leaved original modem from TMobile. Now LTE mode works, can access Hidden menu. Seems fingerprint works, but I don't use it. Phone working slot for operational system is slot_a. Issue: - can't connect to LG SmartWorld by own LG account, because it's ejected by app - got message - in my country LG SmartWorld don't supplied. But can connect to LG SmartWorld by device account.
 

Aroy48

Member
Mar 29, 2018
13
2
Thanks Jig.
I flashed modem 1 and it solved my problem.
I got the Airtel network. Didn't try Jio (VoLTE) yet.
As soon as i try will post here.
 
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  • 1
    The fingerprint sensor calibration error has been solved with the modem file you uploaded.

    Thank you for sharing valuable information.
    1
    FYI: PDC tool doesn't work on android 13 as expected (LMV600TM 40a) - no Qualcomm 90E5 modem under Device manager after turning QMICM as tethering mode in LTE Data Test. Future of 5G capability on US devices in EU is in your golden hands @JigsawMobile
    1
    There are a few good chinese blogs that go further in to this topic. Has anyone came across these besides me?

    Android 13 .. This is EU? Or was there a release on the US variants?
    what you mean exactly which chinese topics ?

    A13 released for US and EU variant, we waiting SWC kdz.
    1
    Bro I'm using softbank variant and want to jump over android 13, which modem is best for crossflash? I've asked from a user and he told me that fingerprint doesn't work then! Is there any way to get full functionality?
    use for JP modem one (modem tested and worked on A12 docomo), its from A12 or V2/V3.

    if FP not working you/we need to wait EA A13 SWC, then i will make for docomo and softbank and fix what need.
    1
    @JigsawMobile buddy can I crossflash EU kdz on softbank model?

    And what modem I have to flash for fingerprint and signal..
    Kindly help me in this matter
    yes you can do, use JP modem or V2/V3
  • 9
    I have an EA ROM on an ATT device, but we all faced on the A11 that after fixing the NT code, we are not able to use LTE and mobile data, but then we had the PDC tool where we loaded the .mbn.

    Now on the A12 we don't have the ability to use PDC so I was forced to do something to get LTE & mobile data back and I made some changes to the modem .img where the problem was fixed.

    Note: I read before that some people were not able to fix the fingerprint after croosflashing ROMs, now we can do it but by cross-modem images.

    Current patched mods are for EA ROM A12 but there are one version for A11 if you do not want to use PDC tool.

    We have three versions of the modems.
    • V1 is with minimal changes only for EU bands (outside it wil work or not)
    • V2 & V3 is with slightly bigger changes and can be used outsde EU,
    • V1-L-51A modem with a fixed fingerprint after cross-flashing the EA firmware with right signals (only docomo JP variants).
    in the previous modified versions, users had the problem that Netflix did not work on their A11, with V1.2 or Universal version where the mentioned problems have been fixed.
    • V1.2 only for A11
    • modem_Universal fully compatible with A10+ android but there are more changes than V3 modem.
    Note: it is always better to use a modem with fewer changes, this ensures that the updates are original and newer.

    5G and VoLte working.

    You can flash modems easily via Fastboot to A/B slots or you can flash via Qfill.
    Flashing patched modem won"t bricked /bootlop your device.

    DOWNLAOD modem.img

    Note: If the A13 does not support PDC, it is planned to create a magisk module, in those cases it would not be necessary to flash the Modem partition, in those cases, by removing the magisk/module or resetting the device to factory settings, we lose the modem changes.

    Break: I did a croosflash A13 on my ATT and found that the same workaround on the A13 doesn't work anymore or i did not correctly something do, of course I will still research to work around the network and mobile data issue, for now the patched modem project is closed.

    During the testing and display of the NT code, at first it was possible to get LTE and mobile data in between, then suddenly everything stopped and I lost my mobile data. I'm not sure if it's up to my network.

    I would also like to mention that I don't have daily access to my computer, but only a few hours a week, and that limits my possibilities.
    1
    can you modify my modem file enable volte vowifi for indian networks
    i have Japanese docomo A51L version its only work with Japanese original backup modem.
    i crossflashed european za firmware south african all work perfectly.but in network setting its show only cdma roaming option.
    so when you flash EU modifed modems all work but you do not have volte ?

    sometimes when "cdma roaming option" option shows when NT code is not corect, do you have nt coe error ?

    missing oprion in networks settings it not depend of modems.
    1
    @JigsawMobile
    Hi, After crossflashing I flashed your modem file. 4g LTE networks are working fine Now..

    but when I open Netflix it is giving me Netflix Error 501.-172 (May be Region mismatch or due to NT code changed or Your modem modified for another country etc Dont know what is the problem).

    Any help or suggestion you can provide?
    I wouldn't say that changing the modem or the modem in general can't be the cause of that error.
    but you can do this first > restore your original backup modem partition to the original and crrosflashed variant if those two modems do not fix the error in netflix then we will eliminate that it is the modem partition.

    Netflix for me working
    You can change to FTM another NT code and see if that fixes it if that doesn't work either then start over step by step to catch where the error starts.
    You can consult other users who use croosflashed rom here and ask if netflix works for them.

    Edit: did you root your device ?
    1
    I have to modified my JP variant modem to fix laggy when crossflashing to EU rom. But i need to unlock bootloader to make it boot, if not it will report red warning.
    That why i asked you how to patch it and does it need BL unlock
    that you need unlocked bootloader, root and RW.

    you can DM me and I can suggest something and perform some tests, yours will only be to send me the original modem images from the JP variant.

    does it have a JP variant as a .KDZ rom?
    1
    My device : Lg V60 - V600TM(Uscellular)
    [MCFG Status Shows: Row_Uscc]

    I crossflashed it to EA OPEN Taiwan(TW) ROM.
    [Please note that I switched from Stock USCellular Android 11 to EA OPEN Android 11 as I dont like A12 much, its battery heavy too.]

    Currently using Airtel Network in India (All Networks working Fine, with VoLTE Vowifi etc.)

    And Fingerprints are also working smoothly.
    If anybody faces fingerprint issue they must give this a try at this post (1st section).