Do not skip this step. Connect your original X12 Plus MicroSD card to your computer. Copy the ROMS , GAME , and SYSTEM folders to a secure location on your local hard drive. This ensures you preserve the stock BIOS files and any pre-bundled games you wish to keep. Step 2: Download the Custom Firmware Image
Before beginning, ensure you have the following: x12 plus custom firmware updated
For crisp visuals, navigate to video settings and turn on Integer Scaling . This keeps the pixels sharp rather than blurring them across the 7-inch display. Troubleshooting Common CFW Issues Black Screen on Boot Do not skip this step
Follow these steps carefully. Modifying firmware carries a small risk of bricking your device if steps are skipped. Step 1: Backup Your Stock Files This ensures you preserve the stock BIOS files
Download a partition manager (like SD Card Formatter or GUIFormat ) and an image flashing tool (like BalenaEtcher or Rufus ). Step-by-Step Installation Guide
Set the File System to (this is critical; the X12 Plus cannot read exFAT or NTFS). Set the Allocation Unit Size to 32KB or 64KB . Click Start to wipe and prepare the card. Step 3: Flash the Custom Firmware Update Launch BalenaEtcher or Rufus on your PC.
For connecting the card to your computer.