TWRP: the Complete Guide to Using Recovery on Android
Flash, hack and tweak safely with TWRP recovery. We’ll show you how to flash ROMs, create backups and recovery from errors in this complete guide.
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Downgrade apps to an older version on an Android phone or tablet
Want to restore an older version of your favourite app? It is possible if you’ve got a rooted phone and a Nandroid backup handy. This tutorial shows you how to do it.