ACER one 14 Z1402 NDBU1401 REV 2.0.rar

TXTAbout ACER one 14 Z1402 NDBU1401 REV 2.0 BIOS / EC firmware

ACER one 14 Z1402 NDBU1401 REV 2.0 is an Acer Z1402 / NDBU1401 BIOS / EC firmware dump — tested. It is packed in a RAR archive of 3.4 MB, board revision 2.0. It was first posted on 23 Jan 2026 and is available in 1 Telegram channel.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is Z1402 revision 2.0.

MSGFrom the Telegram post

ACER ONE 14 Z1402 NDBU1401 REV 2.0 TESTED OK

J1Download Z1402 BIOS / EC firmware from Telegram

R1How to download ACER one 14 Z1402 NDBU1401 REV 2.0

1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
2. You don’t need to join the channel. Tap the file ACER one 14 Z1402 NDBU1401 REV 2.0.rar to download it.
3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for Z1402. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.RARWhat is a .rar file and how to open it?