If your tablet is Binary 3, you must use a Binary 3 combination ROM. You cannot downgrade binary levels. 📖 Step-by-Step Flashing Process
Use the latest stable version (3.13.1 or higher). ROM-kombinГЎciГі Samsung Galaxy Tab A 10.5 (SM-T5...
At least 50% charge to prevent mid-flash shutdowns. If your tablet is Binary 3, you must
Once the combination UI boots, go back to Download Mode and flash the full 4-file stock firmware to return to normal operation. If your tablet is Binary 3