Question Updated a magisk module, now phone is bootlooping. Unable to use adb to shell in and fix. HELP! (SOLVED)

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jbradshw

Senior Member
Dec 8, 2010
187
23
Atlanta
So I updated a magisk module, and it's now causing a bootloop. After 2-3 times it boots to stock recovery and sits there. If I power off the phone and connect a cable, I can see the device in adb devices, but I'm unable to shell into it to attempt to fix this:

PS C:\platform-tools> .\adb.exe devices
List of devices attached
c966941e unauthorized

PS C:\platform-tools> .\adb.exe shell
adb.exe: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.
PS C:\platform-tools>

I've tried killing the adb server like it suggested but that doesn't fix it.

Any ideas how I can get in this thing without having to factory reset?
 

jbradshw

Senior Member
Dec 8, 2010
187
23
Atlanta
I was able to fix it by booting the TWRP recovery image and using the File Manager to delete the module. Oddly enough, after I rebooted, my homescreen pages/shortcuts were all hosed up but I'll gladly take that over a reimage.

In case anyone is wondering, the module that did this was updating the "Busybox for Android NDK" module. Upon installing after fixing it above, it's working fine.
 
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NameIsOptional

Senior Member
May 15, 2022
93
58
USA
OnePlus 9 Pro
I was able to fix it by booting the TWRP recovery image and using the File Manager to delete the module. Oddly enough, after I rebooted, my homescreen pages/shortcuts were all hosed up but I'll gladly take that over a reimage.

In case anyone is wondering, the module that did this was updating the "Busybox for Android NDK" module. Upon installing after fixing it above, it's working fine.
I had no issues with that module using Fox's magisk manager
 

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    I was able to fix it by booting the TWRP recovery image and using the File Manager to delete the module. Oddly enough, after I rebooted, my homescreen pages/shortcuts were all hosed up but I'll gladly take that over a reimage.

    In case anyone is wondering, the module that did this was updating the "Busybox for Android NDK" module. Upon installing after fixing it above, it's working fine.