Transitioning from to TWRP is the first step in the world of Android customization. While the menu is a "dead end" for hobbyists, using Fastboot or Odin to bypass it will unlock the true potential of your hardware.
Go to Settings > About Phone and tap "Build Number" 7 times. Then, in Developer Options , enable USB Debugging and OEM Unlocking (if available).
Replacing the limited with Team Win Recovery Project (TWRP) is a massive upgrade for legacy Android devices. Recovery is a "stock" recovery tool designed primarily for factory resets and official updates, whereas TWRP is a touch-based custom recovery that unlocks full control over your phone's software. Comparison: Stock 3e vs. TWRP Feature Android System Recovery TWRP Custom Recovery Interface Text-based; used with volume/power keys. Modern, touch-based interface. Backups None (only factory reset). Full "Nandroid" backups of the entire system. Flashing Official updates only. Custom ROMs, Kernels, and Magisk (root). File Access No file manager. Built-in File Manager to delete or add files. Ease of Use Difficult to navigate. Intuitive and highly flexible. Installation Overview