Always verify that you are downloading the recovery image specifically built for your exact device model number, as flashing an incorrect image can lead to a "brick" or software failure. Official TWRP App

: Allows rooted users to flash recovery ( .img ) files to the recovery partition without needing to reboot into a bootloader or use a PC.

: Non-rooted users can still use the app to search for their device and download the correct recovery image to their internal storage.

The is the first-party application developed by Team Win to help Android users manage and update their custom recovery directly from their device . While the app does not require root access to check for updates, root permissions are necessary to flash images directly to the recovery or boot partitions. Official Download Sources