HP provides sp123456.exe (Windows flash utility). This is not a raw .bin. To convert:
| Parameter | Details |
|-----------|---------|
| File Format | .bin (raw binary) |
| Typical Size | 16,777,216 bytes (16 MB) or 33,554,432 bytes (32 MB) |
| Chip Voltage | 1.8V (most common) or 3.3V – verify before flashing |
| Update Method | SPI programmer (CH341A, RT809H, etc.) + clip or desoldering | hp probook 640 g2 bios bin file