Even with perfect steps, issues can arise. Here is a troubleshooting table for twrp-3.6.0-9-on7xelte.tar:
| Problem | Likely Cause | Solution |
|--------|--------------|----------|
| Odin fails with “Auth” error | Bootloader still locked | Re-enable OEM Unlock, wait for the 7-day lock period on some Samsung firmware |
| TWRP boots but touchscreen doesn’t work | Wrong device variant | Confirm you have on7xelte (SM-J710). Do not force flash on7xelte on j7xelte |
| Can’t mount /data partition in TWRP | Encryption conflict after Android 11 upgrade | Use Format Data (not just Wipe) to remove FBE encryption |
| TWRP flashes but stock recovery returns | Auto Reboot was checked | Reflash with Auto Reboot unchecked; manually boot into TWRP immediately |
| “E: Unable to find partition size” | Corrupted TWRP download | Redownload the TAR file; verify checksum from the official source | twrp-3.6.0-9-on7xelte.tar
Solution: Go to Wipe > Format Data, type yes. Then reboot recovery. This removes old encryption. Even with perfect steps, issues can arise
First, a quick refresher. TWRP (Team Win Recovery Project) is an open-source, custom recovery image for Android devices. It replaces the stock recovery menu (the one that shows a dead Android robot with an exclamation mark). First, a quick refresher
While the stock recovery only allows you to wipe cache or apply official updates, TWRP gives you: