i have a problem can anyone help me its with magisk before i had supersu and i have twrp. My phone is Samsung galaxy A7 Pro 2015
( sm-a700f ) and when i enter the twrp i find the zip of magisk try to flash it and it pops up some kind of error for stock boot img . I watched a boat load of videos on yt and searched everything to fix it . Everyone says just flash stock boot and u shoud be good and i downloaded but its not the right one and even flashed and just made another error good thing i had backup. Can anyone help me how to fix this and myb flash android 7 on it if anyway possible.