How to do a Nandroid backup on Android 12?

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Flecto

Member
Dec 16, 2021
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I have a OnePlus 9 Pro and I'm considering upgrading to Android 12. However, I know that TWRP does not support Android 12 yet. So if I upgrade to Android 12, how could I perform a Nandroid backup of my phone after the upgrade if I can't use TWRP? Other custom recoveries I found are all based on TWRP, so they wouldn't support A12 yet either, I suppose.

Thanks!
 

xXx yYy

Senior Member
Feb 4, 2017
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@Flecto

If your phone's current Android is rooted then you may do the NANDroid backup by means of a batchscript what utilizes ADB and is applying shell command dd.