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[Q] How to backup/restore Kernel in case of issues? Nexus 4

11th August 2014, 11:29 AM   |  #1  
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Hi .. I am new here and recently rooted my Nexus 4 Device . I am using NEXUS 4, (4.4.4). I have rooted and flashed with PA(4.5BETA-1) ROM. ROM seems to be working fine so far .
My main purpose to flash the ROM was to improve the battery life but this doesn't seem to be helping much .

Now i am planning to Flash the kernel and I am scared doing so . I am planning to keep this PA ROM and flash with FRANCO kernel. In case PA ROM doesn't work well with this kernel, i will flash with some other ROM.

I use TWRP Recovery to backup and flash ROM's.

I want to know if we need to backup the kernel too before flashing with a new 1 or backing up the ROM does that automatically??




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NEXUS 4
Version: 4.4.4 (KTU84P)
ROM: PA(4.5BETA-1)
11th August 2014, 07:23 PM   |  #2  
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If you make a nandroid in twrp it backs up system, data, and boot partitions. Boot is the kernel.

But roms and kernels make very little difference in battery life. It's highly dependent on your signal quality, the apps you use and how you use the device. So don't look for any silver bullets.

Sent from my Nexus 5 using XDA Free mobile app
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