How to upgrade just the bootloader of a phone?
There is no official 3.4 kernel for RAZR M XT905 (Australian), so i tried to flash fxz of XT907 (.15 version)
I flashed all the files except system,modem and partition. Then I installed KKBL TWRP and it did worked. But it was not letting me install the new KKBL ROMS due to different value return in ro.secure.hardware, so I had to remove this line from updater-script.
The new rom installed and booted, but what showing System UI has stopped working constantly, this was solved by updating the modem as well. But the XT907 modem doesnot supports XT905 properly (very low signal strength, no network registration).
I hit the wall there, anyone else knows the proper way to achieve this? Can we mod the modem or firmware? Or can the Lollipop firmware be compiled for old kernel.? Are sbl1,sbl2,sbl3 only necessary bootloader files. What is the function of other files.
P.S Now BlissPop i sshowing Setup Wizard has stopped working. Any way out?
There is no official 3.4 kernel for RAZR M XT905 (Australian), so i tried to flash fxz of XT907 (.15 version)
I flashed all the files except system,modem and partition. Then I installed KKBL TWRP and it did worked. But it was not letting me install the new KKBL ROMS due to different value return in ro.secure.hardware, so I had to remove this line from updater-script.
The new rom installed and booted, but what showing System UI has stopped working constantly, this was solved by updating the modem as well. But the XT907 modem doesnot supports XT905 properly (very low signal strength, no network registration).
I hit the wall there, anyone else knows the proper way to achieve this? Can we mod the modem or firmware? Or can the Lollipop firmware be compiled for old kernel.? Are sbl1,sbl2,sbl3 only necessary bootloader files. What is the function of other files.
P.S Now BlissPop i sshowing Setup Wizard has stopped working. Any way out?
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