Extract the downloaded firmware on your PC. Locate the file starting with . Transfer the AP_ file to your phone's internal storage. Install and open the Magisk App on your phone.
Tap , then select your AP_ firmware file. samsung-a260g-u3-android-oreo-8-1-root-file
Power off the device. Hold Volume Up + Volume Down while connecting it to a PC via USB. On the blue warning screen, long-press Volume Up to confirm the unlock. 3. Patch Firmware with Magisk Extract the downloaded firmware on your PC