Open the roms directory. You will see individual folders labeled by system (e.g., fc for NES, sfc for SNES, gba , psx ).
| Error Code | Meaning | Fix | | :--- | :--- | :--- | | [0x10105002] | Bootloader mismatch | Reflash stock firmware first, then the CFW. | | [0x30405003] | USB handshake failure | Use a different USB port. Try USB 2.0 on a laptop. | | Device not detected | No boot mode engaged | Short the TX and GND pins on the motherboard while powering on. | | Boot loop at logo | Wrong display output (1080p UI forced to 4K) | Boot into recovery (hold reset for 10 sec) and wipe cache/Dalvik. | X12 Plus Custom Firmware
However, before proceeding, it is crucial to understand the . The installation process can void your warranty, and if done incorrectly, it could "brick" your device (render it unusable). Success requires careful research and strict adherence to instructions. Open the roms directory