Kindle Basic 4 (2022)
Model BASIC4-2022. 5.18.4.0.1, build 4527760001, recorded Aug 19, 2025.
Firmware package identifier com.lab126.eink.cava.os. This page preserves the metadata
associated with one public firmware source record.
| Version Name | 5.18.4.0.1 |
| Version Code | 4527760001 |
| Uploaded | 2025-08-19 |
| MD5 | f3bde12386817590661a8cefbf278801 |
Original public source URL
FTVDB does not host, mirror, modify, proxy, or distribute this file. This record is public update metadata only.
https://s3.amazonaws.com/firmwaredownloads/update_kindle_11th_5.18.4.0.1.bin Open source URL