The twrp-3.6.0-9-on7xelte.tar file is a custom recovery image designed for the (codename: on7xelte ) and related variants like the Go to product viewer dialog for this item.
Modification carries a risk of "bricking" (rendering the phone unusable) if steps are not followed exactly. twrp-3.6.0-9-on7xelte.tar
3.6.0-9 is a later release for this hardware, offering improved compatibility with newer Android versions, such as Android 8.1.0 (Oreo) . The twrp-3