Kindle Basic 4 (2022)
Model BASIC4-2022. 5.18.4, build 4507430022, recorded Jul 30, 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 |
| Version Code | 4507430022 |
| Uploaded | 2025-07-30 |
| MD5 | b0d6c51271cb1f6219692d39b11b1cdc |
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.bin Open source URL