Samsung N915A bootloop help

[vuillemin2]

Hi i have a problem with Samsung N915A stuck in bootloop when i get this phone it has wrong software installed problem i have tried flash it with N915AUCU1BOC6 but it fails then i have tried latest
ALL_ATT_N915AUCU2COI2_N915AATT2COI2_CL5613658_QB61 96305_REV00_user_low_ship_MULTI_CERT.tar
5.1.1 now it is turning on but stuck in bootloop when optimising android i can't do anythink cause i can't conect it as ADB i can't enter menu cause it is restarting on optimising android please any sollutions?

[ghacks]

[GUIDE] Fix N910A Boot Loop - Unknown Baseband (step by step)

THE SAME METHOD TRY TO DOWNLOAD ANOTHER FULL FLASH 4 FILES.
Hello friends

I have a few people asking questions on solution for N910 boot-loop, I want to make step-by-step guide to answer all questions.

Problem caused by changing *#9090# and possibly downgrade as well.

Takes time, several tries, don't worry.

1. Downgrade to 4.4.4 via Odin. Extract OC4, extract Odin, open Odin, select four files into correct position (BL, AP, CP, CSC) 4.4.4 OC4 Odin 3.09 (Samsung Mobile drivers required)
2. Once on 4.4.4 or below, enable developer options by tapping "build version" several times, enable USB debugging & mock location, and install KingRoot 4.0.0.233 to phone. Caution, newer versions did not work for me.
3. Open "Command Prompt" and type "adb version" should reply with "Android Debug Bridge version x.x.x", if does not, change to the correct directory where adb is installed via "cd" command. Need ADB? Here
4. These next two steps can be a little tricky as the phone often reboots before completed, must work quickly, I suggest copying the long command, then paste when ready.
5. Connect to working WiFi. Turn off your phone, reboot, or wait for it to reboot itself. Soon as phone turns on, open KingRoot, soon as WiFi connected notification appears, touch button in center of KingRoot app, soon as KingRoot reaches 30%, began adb commands.
6. ADB commands: first command "adb shell", second command "su", third command "dd if=/dev/zero of=/dev/block/mmcblk0p10 | dd if=/dev/zero of=/dev/block/mmcblk0p13 | dd if=/dev/zero of=/dev/block/mmcblk0p14 | dd if=/dev/zero of=/dev/block/mmcblk0p15 | dd if=/dev/zero of=/dev/block/mmcblk0p16" phone will reboot or you can reboot and after reboot boot-loop and unknown baseband will be fixed! Can now write new IMEI via "Write Cert" and possibly "Write QCN" if any network troubles, then all good to go!
7. Any questions feel free to contact me on skype: brandon.sisco or phone: 949.482.7058 I'm happy to walk you through any steps.

Once you see results, I have worked hard on this complete solution for many weeks, I would

[vuillemin2]

i will try and post result i am downloading 4.4.4

[salahmohammad]

AT&T has locked bootloaders, you might not be able to downgrade, but if you succeed in downgrading don't delete all 5 partitions, only send the first 3 dd commands.

[vuillemin2]

i can't flash 4.4.4 it fails at few seconds any other solution??

[vuillemin2]

sw rev check fail: [aboot] Fused 2 >Binary1
[1] eMMC write fail: ABOOT

[vuillemin2]

please help any other solution?

[jjmpda]

Contact me for solution good day

[bebiloku]

i have the same problem with 3 piece any way to firmware flash?

[bebiloku]

i use many firmware no suces .

[itu2012]

Originally Posted by ghacks

[GUIDE] Fix N910A Boot Loop - Unknown Baseband (step by step)

THE SAME METHOD TRY TO DOWNLOAD ANOTHER FULL FLASH 4 FILES.
Hello friends

I have a few people asking questions on solution for N910 boot-loop, I want to make step-by-step guide to answer all questions.

Problem caused by changing *#9090# and possibly downgrade as well.

Takes time, several tries, don't worry.

1. Downgrade to 4.4.4 via Odin. Extract OC4, extract Odin, open Odin, select four files into correct position (BL, AP, CP, CSC) 4.4.4 OC4 Odin 3.09 (Samsung Mobile drivers required)
2. Once on 4.4.4 or below, enable developer options by tapping "build version" several times, enable USB debugging & mock location, and install KingRoot 4.0.0.233 to phone. Caution, newer versions did not work for me.
3. Open "Command Prompt" and type "adb version" should reply with "Android Debug Bridge version x.x.x", if does not, change to the correct directory where adb is installed via "cd" command. Need ADB? Here
4. These next two steps can be a little tricky as the phone often reboots before completed, must work quickly, I suggest copying the long command, then paste when ready.
5. Connect to working WiFi. Turn off your phone, reboot, or wait for it to reboot itself. Soon as phone turns on, open KingRoot, soon as WiFi connected notification appears, touch button in center of KingRoot app, soon as KingRoot reaches 30%, began adb commands.
6. ADB commands: first command "adb shell", second command "su", third command "dd if=/dev/zero of=/dev/block/mmcblk0p10 | dd if=/dev/zero of=/dev/block/mmcblk0p13 | dd if=/dev/zero of=/dev/block/mmcblk0p14 | dd if=/dev/zero of=/dev/block/mmcblk0p15 | dd if=/dev/zero of=/dev/block/mmcblk0p16" phone will reboot or you can reboot and after reboot boot-loop and unknown baseband will be fixed! Can now write new IMEI via "Write Cert" and possibly "Write QCN" if any network troubles, then all good to go!
7. Any questions feel free to contact me on skype: brandon.sisco or phone: 949.482.7058 I'm happy to walk you through any steps.

Once you see results, I have worked hard on this complete solution for many weeks, I would

Can I use this method for solving Bootloop in Samsung g901f.

Thanks

[manishmalik1997]

i am solve you problem
contact me

[aikonmani]

Did anyone solve n915a boot loop problem?