The "3e" recovery is the standard, factory-installed recovery environment. It is intentionally restrictive to prevent users from modifying the system partition. Its features are usually limited to: Applying official OTA updates via ADB or SD card. Wiping data/factory resetting the device. Wiping the cache partition.
Ensure you have the correct USB drivers installed for your specific manufacturer (Samsung, Google, Xiaomi, etc.). android system recovery 3e install twrp
I can provide the specific button combinations and download links for your exact hardware. The "3e" recovery is the standard