That way you can always revert to a known working state if things go wrong during an update. A copy of your device's boot image patched with the latest working Magisk on your setup.The Magisk installation script will put a packed up backup of your boot image in /data/magisk_backup_ before patching it. If you don't know how to get an untouched boot image for your device, your best bet is to search through your device's forum. Disabling Magisk by flashing an untouched boot image will also keep the Magisk image intact. Most of the time uninstalling through the app or renaming the apk to uninstall.zip and flashing in recovery is enough, but just in case. A copy of a clean boot image for your ROM (can be flashed to restore your device in case of problems).If you want a release older than v22.0 you might also want the Magisk zip and uninstaller zip. Never download Magisk files from anywhere else!). There are a couple of things that are good to keep accessible, making it easier to recover from any problems that might arise. Check the Magisk FAQ for some information about currently known issues. There may be issues with certain devices, ROMs and/or apps and Magisk. Other useful information can often be found in the XDA support thread. It’s always a good idea to read through, at least, the official Magisk Documentation over on GitHub. ADB cannot run as root in production builds.Installing/disabling/uninstalling modules through the Magisk app or recovery.Uninstall/delete/disable modules from recovery.Disabling/uninstalling modules manually.

Module causing issues (Magisk functionality, bootloop, loss of root, etc).Modules seem to install, but aren't there after rebooting.A module has been updated but doesn't show up in the Magisk app.Trying to install modules in the Modules tab.Magisk app installed to external/adoptable storage.Developer options disappeared from settings.Bootloop after module installation or device update.MagiskHide or SafetyNet fails after an update.Moving from another systemless root solution to MagiskSU.Disabling dm-verity and forced encryption.Keeping dm-verity and forced encryption.Working with dm-verity and forced encryption.Where's my boot/recovery image for the Magisk app to patch.Magisk - Installation and troubleshooting.

Bluestacks android boot failure