Kindle PaperWhite 4 (2018)
Model PW4-2018. Firmware version details.
| Version Name | 5.12.1 |
| Version Code | 3552180044 |
| Uploaded | 2019-07-05 |
| Download URL | https://s3.amazonaws.com/firmwaredownloads/update_kindle_all_new_paperwhite_v2_5.12.1.bin |
| MD5 | f9a25c7d20d2baf9bd12863deadcaa7c |