Before starting, ensure you have a microSD card and a PC handy.
Swipe the slider at the bottom to format. This wipes the old, slow Jelly Bean system cleanly. Step 2: Flash the ROM and GApps Return to the TWRP main menu and tap . Tap Select Storage at the bottom and choose Micro SDCard . Browse and tap on your Android 7.1.2 ROM ZIP file. Tap Add more Zips and select the Open GApps Pico ZIP file. Swipe the bar at the bottom to confirm the flash.
Open on your PC and connect your tablet via USB. The ID:COM box in Odin should turn blue or yellow, indicating a successful connection.
Once booted, follow the Android Nougat setup wizard to connect to Wi-Fi and log into your Google Account. Post-Installation Performance Optimization Tips