Kindle Paperwhite 4 (2018)
Model PW4-2018. Firmware version details.
| Version Name | 5.16.21 |
| Version Code | 4289730037 |
| Uploaded | 2024-08-21 |
| Download URL | https://s3.amazonaws.com/firmwaredownloads/update_kindle_all_new_paperwhite_v2_5.16.21.bin |
| MD5 | e0e299b70f5ea6775f0211512ea5b36f |