BIOS

Acer_ChromeBook_CB311_CB311T_COA732_COA732_DA0ZBAMB6E0_Rev_E_OK.rar

BIOS / EC firmware for Acer CB311 / CB311T / COA732 · board DA0ZBAMB6E0 · 4.0 MB · shared in 1 Telegram post.

TXTAbout Acer ChromeBook CB311 CB311T COA732 COA732 DA0ZBAMB6E0 Rev E OK BIOS / EC firmware

Acer ChromeBook CB311 CB311T COA732 COA732 DA0ZBAMB6E0 Rev E OK is an Acer CB311 / CB311T / COA732 BIOS / EC firmware dump for board DA0ZBAMB6E0 — tested. It is packed in a RAR archive of 4.0 MB. It was first posted on 13 Jul 2025 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 DA0ZBAMB6E0.

Type: BIOS & EC
Format: .rar · RAR archive
Size: 4.0 MB
Brand: Acer
Board number: DA0ZBAMB6E0
Model: CB311, CB311T, COA732
Notes: tested
First posted: 13 Jul 2025
Last posted: 13 Jul 2025
Sources: 1

J1Download DA0ZBAMB6E0 BIOS / EC firmware from Telegram

🛠💻SKCLAPPY BIOS💻🛠 @skclappybios · 13 Jul 2025
Open post

R1How to download Acer ChromeBook CB311 CB311T COA732 COA732 DA0ZBAMB6E0 Rev E OK

Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
You don’t need to join the channel. Tap the file Acer_ChromeBook_CB311_CB311T_COA732_COA732_DA0ZBAMB6E0_Rev_E_OK.rar to download it.
Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for DA0ZBAMB6E0. 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?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

7-Zip (free)
WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.