This page collects service files for the Asus X1403ZA board, fitted to the Asus X1403ZA.
The catalog has 3 BIOS files for it, posted between 2024 and 2025. Each download button opens the original Telegram post.
File names mention 2 board revisions (Rev 2.1 and Rev 2.2). Check the revision printed on your PCB before relying on a boardview or flashing a BIOS dump — How to Open .FZ Boardview Files explains why it matters.
Files for this board mention Rev 2.1 and Rev 2.2. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the Asus X1403ZA BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 16 MB images; the dump size must match your chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.
Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file