From: Bertonumber1 (XDA forums)
https://forum.xda-developers.com/t/p.../post-84305527
- Yes you can install Magisk through TWRP
- BEFORE you have to delete the root by always flashing in TWRP UPDATE-unSU-signed.zip
- flashing the image of magisk_patched_new.img by selecting the boot partition.
- This is version 20.3 of Magisk,
- after you must update it by downloading the ZIP version 20.4 from the Magisk Manager application or by downloading it HERE.
- And then flash the ZIP with TWRP.
Always learn how to unbrick your China Box before testing.
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