hi . i have SM-G920F and i was using normally until i wanted to install new custum rom and a unknown reason when i rebooted recovery , my phone stuck in blank screen.... i did this :
-restarted phone in download mode
-flashed twrp recovery with odin but there was an error : There is no pit file to get partiotion map
- downloaded wrong 100m pit file got error when rom was flashing in hidden.img so my display mixed up and there was no samsung logo and there was image of odin mode with mixed up color ....
- downloaded right 150m pit file with new firmware flashed every thing (also checked update bootloader and re-partiotion) was fine flashed successfully but my phone stuck in samsung logo powerd by android...
-rebooted gone to recovery i had 2 yellow line at the bottom of pag:
1 : E:failed to mount /efs (Invalid argument)
2 : dm-verification failed need to check drk first...
so searched in internet found some ways and tried but non of them worked....
-searched found efs tar file for an other g920f with another serial phone error 1 gone for now...
-searched found unibase kernel for no2 problem....
finally phone booted up but baseband is unknown and cant do any thing....
-rooted and installed root explorer...
-opened root explorer gone to efs folder found nv_data.bin and nv_data.bin.md5
- once deleted them and after 1 minute there was automatically that 2 files i deleted....
- my baseband is known now but it cant connect to network...(emergency calls only)
- after rebooting phone baseband goes to unknown again and i should tell that my wifi and bluetooth is working and there is only problem in network...
- now my imei is null and i cant connect to network...
- tried some ways with adb or terminal emulator or nv items write and read or hex editor ... but they did not work or i had errors or it was not working on exynos or (for example hex editor) was wrong commands...
- so please help me how can i edit the phone serial number and imei to put mine and going fine and it is possible ? please help me i tried many ways .. i think i do some thing wrong...:crying::(
-restarted phone in download mode
-flashed twrp recovery with odin but there was an error : There is no pit file to get partiotion map
- downloaded wrong 100m pit file got error when rom was flashing in hidden.img so my display mixed up and there was no samsung logo and there was image of odin mode with mixed up color ....
- downloaded right 150m pit file with new firmware flashed every thing (also checked update bootloader and re-partiotion) was fine flashed successfully but my phone stuck in samsung logo powerd by android...
-rebooted gone to recovery i had 2 yellow line at the bottom of pag:
1 : E:failed to mount /efs (Invalid argument)
2 : dm-verification failed need to check drk first...
so searched in internet found some ways and tried but non of them worked....
-searched found efs tar file for an other g920f with another serial phone error 1 gone for now...
-searched found unibase kernel for no2 problem....
finally phone booted up but baseband is unknown and cant do any thing....
-rooted and installed root explorer...
-opened root explorer gone to efs folder found nv_data.bin and nv_data.bin.md5
- once deleted them and after 1 minute there was automatically that 2 files i deleted....
- my baseband is known now but it cant connect to network...(emergency calls only)
- after rebooting phone baseband goes to unknown again and i should tell that my wifi and bluetooth is working and there is only problem in network...
- now my imei is null and i cant connect to network...
- tried some ways with adb or terminal emulator or nv items write and read or hex editor ... but they did not work or i had errors or it was not working on exynos or (for example hex editor) was wrong commands...
- so please help me how can i edit the phone serial number and imei to put mine and going fine and it is possible ? please help me i tried many ways .. i think i do some thing wrong...:crying::(
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