follow all the steps.

download links:

Firmware: https://samfw.com/
Odin: https://bit.ly/2GJIf6Z
Magisk: https://shorturl.at/jkqwO
Or Download Latest Magisk: https://magiskmanager.com/
Samsung Drivers: https://developer.samsung.com/android...
Root Checker: https://bit.ly/3IG8tlm

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