Saturday 2 July 2016

How to backup or make stock recovery



I've been doing some research to understand rooting, unlocking, and other Android stuff, but one thing I still haven't figured out is how people "make" a stock recovery image, so that for example after flashing TWRP you can go back to the stock recovery (which I read is one way to install future updates). I think in general it would be possible if rooted, but for ZE551KL, so far I'm pretty sure the only way to root is to unlock and install TWRP. So, how would one make a backup of the stock recovery? If it can't be backed up without root, do people get it from somewhere else, firmware releases maybe? I looked but seems to be mostly a giant system.new.dat file...
Past that specific question, where can I learn more about the partition structure of my phone? Like where is the recovery in the file system?
Thanks for the help!



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