| Issue | Solution | | :--- | :--- | | 1234 fails | Reboot the unit. Hold power button for 10 seconds. Try again. | | 0000 fails | Update your firmware. Old bugs sometimes corrupt the password prompt. | | Keyboard won't appear | Use a USB mouse. Some Teyes screens have digitizer issues in system menus. | | "Developer Options" still hidden | You missed a tap. Go back to "Build Number" and tap 15 times slowly. | | Custom reseller ROM | Contact your seller. Some Chinese resellers use 8888 or 112233 . |
: For detailed visual walkthroughs, you can check the Official Teyes YouTube Channel or community forums like XDA Developers for hardware-specific modifications. teyes developer password