Ensure that your MicroSD card is not locked via the physical write-protect switch on the side of the SD adapter. Additionally, verify that your CFW folder structure has a designated Saves folder inside the emulator directory. Conclusion
This is a classic symptom of flashing the wrong hardware revision image. Power down the device, reformat your card, and locate a firmware image specifically compiled for your exact motherboard version. Games fail to launch or boot back to the main menu. X12 Plus Custom Firmware
Which are you most excited to emulate?
The X12 Plus has gone through multiple hardware revisions over the years. They look identical on the outside, but feature completely different internal processors (such as Actions Semiconductor or Rockchip variants) and display drivers. Before downloading any firmware files: Ensure that your MicroSD card is not locked