Z_INFO_SERVICE_ACER_ASPIRE_3820TG_JM31_CP_MB_09921_3_OK_TESTED_DONE.rar

TXTAbout Z INFO SERVICE ACER ASPIRE 3820TG JM31 CP MB 09921-3 OK TESTED DONE BIOS / EC firmware

Z INFO SERVICE ACER ASPIRE 3820TG JM31 CP MB 09921-3 OK TESTED DONE is an Acer 3820TG / JM31 BIOS / EC firmware dump for board 09921-3 — tested. It is packed in a RAR archive of 1.6 MB. It was first posted on 4 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 09921-3.

For the same board you can also find a schematic and board packs — see all 09921-3 files.

MSGFrom the Telegram post

Z INFO SERVICE ACER ASPIRE 3820TG JM31-CP MB 09921-3 OK TESTED DONE BIOS 100% TESTED OK BIOS

J1Download 09921-3 BIOS / EC firmware from Telegram

R1How to download Z INFO SERVICE ACER ASPIRE 3820TG JM31 CP MB 09921-3 OK TESTED DONE

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 Z_INFO_SERVICE_ACER_ASPIRE_3820TG_JM31_CP_MB_09921_3_OK_TESTED_DONE.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 09921-3. 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?