Swipe the slider at the bottom to format the old operating system. Do not reboot yet. Step 3: Flash Android 7.1.2 ROM and GApps Return to the main TWRP menu and tap . Tap Select Storage and choose Micro SD card .
Unlock bootloader / Enable Developer options and USB debugging
Following these steps will provide the best possible Android 7.1.2 experience on your Galaxy Tab 2 10.1 , breathing new life into your device.