Kindle Basic 4 (2022)
Model BASIC4-2022. 5.18.6, build 4586170041, recorded Nov 4, 2025.
Firmware package identifier com.lab126.eink.cava.os. This page preserves the metadata
associated with one public firmware source record.
| Version Name | 5.18.6 |
| Version Code | 4586170041 |
| Uploaded | 2025-11-04 |
| MD5 | 82aeae200e6783e3673142207db53cdf |
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_5.18.6.bin Open source URL