Koqit V5h H.265 Firmware -

A: Extremely dangerous. While the V5H hardware is common, brand-specific firmware changes the U-Boot bootloader. Cross-flashing usually results in a brick that requires hardware desoldering to fix. Do not attempt it.

The safest route is to contact the seller you purchased the box from (e.g., via AliExpress or eBay). They usually have a Google Drive or Dropbox link containing the specific firmware revision for the batch of units they sold. koqit v5h h.265 firmware

If the system menu doesn't give details, you must open the box: A: Extremely dangerous