Use an original or high-quality OEM USB cable to maintain a stable connection. Required Files and Tools
The stock Samsung firmware is protected by Android Verified Boot. Flashing TWRP without first disabling this verification will render your device unable to boot and cause a soft brick. The following guide is designed to prevent this.
This process will factory reset your phone. Battery: Charge to at least 60%. PC & Cable: Use a high-quality USB cable. root twrp recovery for samsung galaxy a20 sma205 updated
Now that TWRP is permanently installed and the storage is decrypted, you can install the root binaries.
Safety checklist before you start
Install Android versions not officially released for the A20.
Long-press the button to enter the device unlock mode. Use an original or high-quality OEM USB cable
Remove bloatware and change system UI.