- Spoiler:
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client giveme and G925F with DRK FAILED problem, so the phone was stuck on samsung logo, and entering in recovery modem says drk problem showing android 6.0.1 installed (
[ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذه الصورة] )
so my first step was download to 5.1.1 with G925F_XXU2COH4_TEF2COH1 (to fix DRK with a friend gcprokey if he can) i put 3 files of this rom (AP, CP, CSC) AND the OLD BOOTLOADER that you gonna find in the packet called " bl_old.tar.md5 "
that gonna make you phone boot again and you cant enter in desktop, etc...
now, the bad news its phone gonna show UNKNOW BASE BAND AND IMEI NULL, you can fix this with propper tools (gcprokey) but if you dont have that continue reading....
ok, lets move on, with the phone working good but with imei null i decide to put again Android 6.0.1 in the phone so i download G925FXXU3DPAD rom and flash, now again phone shows DRK PROBLEM but dont worry we gonna fix that
turn off phone again and put it on download modem and flash "Kernel_G925F_Sforum"... ok the phone now enter again in recovery mode and still showing DRK PROBLEM, but don worry, just select reboot and voila, phone gonna start without problem...
NOW, the phone gonna show correct BASEBAND
[ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذه الصورة] but with imei 3500000006 (emergency call only)
[ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذه الصورة] you gonna try to write new good cert but gonna shows an error
Operation: Write CERT- الكود:
[ 28/03/2016 06:31:00 p.m. Write CERT ] Selected model: SM-G925F
[ 28/03/2016 06:31:00 p.m. Write CERT ] Software version: 24.9
[ 28/03/2016 06:31:00 p.m. Write CERT ]
[ 28/03/2016 06:31:00 p.m. Write CERT ] Waiting ADB device... OK
[ 28/03/2016 06:31:00 p.m. Write CERT ] Reading phone info...
[ 28/03/2016 06:31:00 p.m. Write CERT ] Model: SM-G925F
[ 28/03/2016 06:31:00 p.m. Write CERT ] Android version: 6.0.1
[ 28/03/2016 06:31:00 p.m. Write CERT ] Product code:
[ 28/03/2016 06:31:00 p.m. Write CERT ] Phone version: G925FXXU3COJ6
[ 28/03/2016 06:31:00 p.m. Write CERT ] PDA version: G925FXXU3DPAD
[ 28/03/2016 06:31:00 p.m. Write CERT ] CSC version: G925FOXA3DPAD
[ 28/03/2016 06:31:00 p.m. Write CERT ] CSC country code: UK & IRE
[ 28/03/2016 06:31:00 p.m. Write CERT ] CSC sales code: XEU
[ 28/03/2016 06:31:00 p.m. Write CERT ] HW version:
[ 28/03/2016 06:31:00 p.m. Write CERT ] Phone S/N: 00000000000
[ 28/03/2016 06:31:00 p.m. Write CERT ] Modem board: SHANNON333
[ 28/03/2016 06:31:00 p.m. Write CERT ] RF cal date:
[ 28/03/2016 06:31:00 p.m. Write CERT ] IMEI:
[ 28/03/2016 06:31:00 p.m. Write CERT ] Checking Super user right... true
[ 28/03/2016 06:31:00 p.m. Write CERT ] Initializating zTool... OK
[ 28/03/2016 06:31:00 p.m. Write CERT ] Running zTool, please wait...
[ 28/03/2016 06:31:00 p.m. Write CERT ] Start... OK
[ 28/03/2016 06:31:00 p.m. Write CERT ] Init... OK
[ 28/03/2016 06:32:00 p.m. Write CERT ] Generate and check client proof... OK
[ 28/03/2016 06:32:00 p.m. Write CERT ] Verify proof by client... OK
[ 28/03/2016 06:32:00 p.m. Write CERT ] Reading data... OK
[ 28/03/2016 06:32:00 p.m. Write CERT ] Checking certificate file... OK
[ 28/03/2016 06:32:00 p.m. Write CERT ] KEY ID: 0346
[ 28/03/2016 06:32:00 p.m. Write CERT ] Reading nv data... OK
[ 28/03/2016 06:32:00 p.m. Write CERT ] Checking NV data... error
[ 28/03/2016 06:32:00 p.m. Write CERT ] Security damaged (1)
ok no worry, just go and write EFS from g920F
" EFS_SM_G920F_G920FXXU1AOD4__R38G40V5PHZ_13_9_2015_ 14_47_34"
Operation: Write EFS - الكود:
[ 28/03/2016 06:38:00 p.m. Write EFS ] Selected model: SM-G925F
[ 28/03/2016 06:38:00 p.m. Write EFS ] Software version: 24.9
[ 28/03/2016 06:38:00 p.m. Write EFS ]
[ 28/03/2016 06:38:00 p.m. Write EFS ] Waiting ADB device... OK
[ 28/03/2016 06:38:00 p.m. Write EFS ] Reading phone info...
[ 28/03/2016 06:38:00 p.m. Write EFS ] Model: SM-G925F
[ 28/03/2016 06:38:00 p.m. Write EFS ] Android version: 6.0.1
[ 28/03/2016 06:38:00 p.m. Write EFS ] Product code:
[ 28/03/2016 06:38:00 p.m. Write EFS ] Phone version: G925FXXU3COJ6
[ 28/03/2016 06:38:00 p.m. Write EFS ] PDA version: G925FXXU3DPAD
[ 28/03/2016 06:38:00 p.m. Write EFS ] CSC version: G925FOXA3DPAD
[ 28/03/2016 06:38:00 p.m. Write EFS ] CSC country code: UK & IRE
[ 28/03/2016 06:38:00 p.m. Write EFS ] CSC sales code: XEU
[ 28/03/2016 06:38:00 p.m. Write EFS ] HW version:
[ 28/03/2016 06:38:00 p.m. Write EFS ] Phone S/N: 00000000000
[ 28/03/2016 06:38:00 p.m. Write EFS ] Modem board: SHANNON333
[ 28/03/2016 06:38:00 p.m. Write EFS ] RF cal date:
[ 28/03/2016 06:38:00 p.m. Write EFS ] IMEI:
[ 28/03/2016 06:38:00 p.m. Write EFS ] Checking Super user right... true
[ 28/03/2016 06:38:00 p.m. Write EFS ] Extracting EFS file... OK
[ 28/03/2016 06:38:00 p.m. Write EFS ] Converting img to ext4... OK
[ 28/03/2016 06:38:00 p.m. Write EFS ] Writing EFS to phone... OK
[ 28/03/2016 06:39:00 p.m. Write EFS ] Rebooting phone... OK
ok now we gonna try to write again new IMEI AND PATCH CERT but WAIT
[ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذه الصورة][ندعوك للتسجيل في المنتدى أو التعريف بنفسك لمعاينة هذه الصورة] we are on 6.0.1 how come gonna patch cert if its not supported?
dont worry, just go to flash mode again and flash modem "MODEM_G925F_OJ1" ( 5.1.1 modem) if you wonder why that modem its because it match the bit 0J1 with G925FXXU3C"O"J6 6.0.1 modem, so if you downgrade modem you dont gonna have imei null again
now that we have Android 6.0.1 but with modem 5.1.1 we can write new imei and patch cert
after that phone gonna work like a charm with android 6.0.1 and repaired drk problem and imei without using professional tools...
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موضوع: :تم الحــل: samsung G925F DRK FIX android 6.0.1 
2016-09-17, 17:38
