no, you need to follow the following sequence, factory reset, install twrp, enter twrp immediately, flash magisk, after this reboot, your system is ok. After this install your preffered rom
Format is required in any situation because of android 7...
I want to install root and also twrp ? Without any format ?
Is this tutorial for make OEM Toggle only ?? I have it already toggle ! I can switch it on and off easily so i can install twrp and root without flashing new rom or reset the phone right ?? I need help for rooting my device please