on your screen, you’re looking at the "stock" recovery that came with your phone. It’s great for basic factory resets, but it won't let you flash custom ROMs or perform full system backups. To do that, you need a custom recovery like TWRP (Team Win Recovery Project)
Leo plugged his phone into his laptop. The command line on his Linux machine was a pitch-black void with a blinking cursor. He typed: android system recovery 3e install twrp
Enter . TWRP is a custom, touch-enabled recovery that replaces the restrictive stock recovery. Once installed, it unlocks the full potential of your Android device. on your screen, you’re looking at the "stock"