Lenovo ThinkPad P50S 15202-3 BIOS (2 MB)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad P50S |
| Board number | 15202-2, 15202-3 |
| Board maker (ODM) | Wistron |
| Device | Laptop |
| Format | RAR |
| Size | 7.5 MB |
| BIOS chip size | 2 MB |
| Added | June 25, 2026 |
| Updated | |
| Original file name | LENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031 .rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
LENOVO THINKPAD P50S LSZ-2 15202-2 BIOS dump for the Lenovo ThinkPad P50S laptop, listed under board numbers 15202-2 and 15202-3 from Wistron, with a 2 MB flash chip. The archive is a RAR file of about 7.5 MB, and its original file name refers to the 15202-3 board and version 448.06D04.0031. Technicians use a BIOS dump like this to reprogram the SPI chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision match your laptop before flashing, and back up the original chip contents first.
For board 15202-2 the catalog also has 1 boardview file and 1 BIOS dump.
Description generated from the catalog data. ·
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Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Lenovo ThinkPad P50S 15202-3. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.