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Googlebook OS System Update Release Notes

November 4, 2026
November 6, 2026

Googlebook OS system update release notes, listing update versions, dates checked, eligible devices, and key changes in reverse chronological order.

Googlebook Os System Update Release Notes
Googlebook Os System Update Release Notes
Google Preferred Source

For system updates delivered to Googlebook, versions, dates checked, eligible devices, and key changes are listed in reverse chronological order.

Googlebook runs on Googlebook OS, which is based on Android, and system updates provide the latest features and security improvements.

When an update becomes available, a notification will appear on your device. You can also update by going to [Settings] > [System] > [Software updates] > [System update].

When updating, it is recommended to connect to Wi-Fi and charge the battery to 75% or higher.

2026

Version

Date

Eligible devices

Key changes

17.CL3B.260622.286.R2

November 6, 2026

All models

Security patch update

Bug fixes

17.CL3B.260622.276.R5

October 27, 2026

All models

Bug fixes

17.CL3B.260622.276.R4

October 23, 2026

Intel-powered models

Security patch update

Bug fixes

System updates are released in stages, so the time it reaches your device may vary.

Google Play services updates are summarized in Google Play Services Update Information.

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