Xiaomi Redmi 1S

BIOS .rar 6.06 MB Shared

Xiaomi Redmi 1S firmware material supplied as a RAR archive of about 6.06 MB. Nothing in the name states a version, region or which partitions are included, so treat the contents as unknown until the archive is extracted and checked. Technicians typically use such packages to recover a phone stuck in a boot loop or dead after a failed update. Verify the device is really a Redmi 1S and not a similar early Redmi model, read and save the original data first, and only then write the files back with the appropriate flashing utility.

The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @uzb4422. Enginerys does not host this file.

How to open a .rar file

Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.

7-ZipWinRARThe Unarchiver (macOS)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →