The opposit is true, that would be the best option. I had that in good old days with my Nexus 10.
You can lock the bootloader so it is not possible to boot with a external image to access your data and on the other hand it was possible to unlock the bootloader by a switch from inside the running system.
@blagoon52 Is this the most recent ROM? Any important updates in the ROMs there within the last year?
and answer yes when you're ready
WARNING: UNLOCK BOOTLOADER WILL WIPE YOUR DEVICE!!!!!
4. Run LMSA/RSA rescue to update your ROM as well as grab boot to patch
5. Do initial setup. DO NOT RESTORE
6. Install Magisk
7. Enter fastboot and enter :
fastboot flash recovery twrp.img
8. Reboot to TWRP (Vol up + Vol down + Power)
9. Get in shell (adb shell) and enter dd if="/dev/block/bootdevice/by-name/boot_b" of="/sdcard/boot.img"
12. Reboot and open Magisk, hit Install and select your boot.img freshly dumped
13. Transfer patched img to your pc and rename it to patched_boot.img
14. Go back to fastboot, enter :
fastboot flash boot patched_boot.img
15. Reboot and add riru and safety net fix on Magisk (you have to reboot 2-3 times)
16. Run safety net check and it should pass. If not, enable Magisk Hide and try again
17. Wipe Play Store and Google Play Services and reboot
18. Restore and add app onto hide list if the app detected root
- TWRP will ask for a password if your device has pin/pattern to unlock, disable it to get access to user data
- wtf why my touch screen is glitched after going to TWRP? idk it's odd but just reboot and it'll be fixed
- Play store not installing apps? Format your SD card to external storage
- Can't install Netflix and other apps claiming to be uncompatible ? add play store in magisk hide then clear play store & google play services cache/data