Kt20-y-multi-v2.0 Update
LED flashes red-green repeatedly. Cause: Incompatible power supply (voltage drop during eMMC write). Fix: Use a lab power supply at 12.5V, then reflash via JTAG (contact support for recovery image). Permanent solution: replace with manufacturer-approved PSU (Mean Well RS-25-12).
KT20-Y-Multi-V2.0 update is a significant firmware release for budget-friendly projector units often sold by brands like kt20-y-multi-v2.0 update
: Ensure your firmware matches the specific LCD driver used with the V2.0 board (often GC9307 or ST7789V). Backup First LED flashes red-green repeatedly