Kindle PaperWhite 4 (2018)
Model PW4-2018. Firmware version details.
| Version Name | 5.16.3.1 |
| Version Code | 4126890001 |
| Uploaded | 2023-10-01 |
| Download URL | https://s3.amazonaws.com/firmwaredownloads/update_kindle_all_new_paperwhite_v2_5.16.3.1.bin |
| MD5 | 34da2a488024ab8f451de99e7ffe0505 |