Kindle PaperWhite 4 (2018)
Model PW4-2018. Firmware version details.
| Version Name | 5.13.1 |
| Version Code | 3643170037 |
| Uploaded | 2020-07-01 |
| Download URL | https://s3.amazonaws.com/firmwaredownloads/update_kindle_all_new_paperwhite_v2_5.13.1.bin |
| MD5 | 636776a761bcafc7653e16ea6c236d12 |