For those who got problems with installation on v13.1 use the following guide it will help you all links below its from official sites not mirrors etc.
Steps for make sure you're not confused
1)reboot to twrp recovery or cwm
2)install magisk uninstaller zip
3)install unroot kenzo zip
4)install magisk v13.1
5) reboot device
6) install magisk manager if not installed automatically
7) attention before you use it keep your boot.img as a backup to restore it if you are not going to use a custom kernel read below the edit why thanks
Ps.worked perfectly on Nougat NOS release latest beta with radon kernel 5.1 hope to work on your ROM too
EDIT:When you use the nitrogen unroot zip in restore the nos kernel by Nougat version so on Miui and other ROMS of course if you dont use custom kernel take a backup of your current kernel just the boot part or just install the custom kernel like radon,agni after the whole steps etc sorry about that it just took me a while to find out cuz I just checked my kernel adiutor and I just saw the wild kernel of nitrogen on performance gov and it burned my hand almost xd
UPDATE:Try this unroot zip file first it doesn't going to mess with your kernel amd change it but if that doesn't work you have to do it with tge other way thanks for understanding :')
-->Download link press here<--
Kenzo unroot by NOS site (worked in Nougat with radon 5.1)check the update please before use this zip file
magisk uninstaller from official link by @topjohnwu
magisk v13.1 by official link of @topjohnwu
magisk manager 5.0.4 from official link of @topjohnwu
Steps for make sure you're not confused
1)reboot to twrp recovery or cwm
2)install magisk uninstaller zip
3)install unroot kenzo zip
4)install magisk v13.1
5) reboot device
6) install magisk manager if not installed automatically
7) attention before you use it keep your boot.img as a backup to restore it if you are not going to use a custom kernel read below the edit why thanks
Ps.worked perfectly on Nougat NOS release latest beta with radon kernel 5.1 hope to work on your ROM too
EDIT:When you use the nitrogen unroot zip in restore the nos kernel by Nougat version so on Miui and other ROMS of course if you dont use custom kernel take a backup of your current kernel just the boot part or just install the custom kernel like radon,agni after the whole steps etc sorry about that it just took me a while to find out cuz I just checked my kernel adiutor and I just saw the wild kernel of nitrogen on performance gov and it burned my hand almost xd
UPDATE:Try this unroot zip file first it doesn't going to mess with your kernel amd change it but if that doesn't work you have to do it with tge other way thanks for understanding :')
-->Download link press here<--
Kenzo unroot by NOS site (worked in Nougat with radon 5.1)check the update please before use this zip file
magisk uninstaller from official link by @topjohnwu
magisk v13.1 by official link of @topjohnwu
magisk manager 5.0.4 from official link of @topjohnwu
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