Amazon Kindle Update Package — file signature 53 50 30 31 at offset 0

For Amazon Kindle Update Package, hex signature is 53 50 30 31; offset is 0; extension is bin, verified against its source on 2026-09-22.

Hex signature: 53 50 30 31 verified
Offset: 0 verified
Extension: bin verified
Format: Amazon Kindle Update Package verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

53 50 30 31 | SP01 | 0 | bin | Amazon Kindle Update Package [6] |

— en.wikipedia.org, retrieved 2026-09-22

Source

en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.