Glass OS


Glass OS was a version of Google's Android operating system designed for Google Glass. "glass-omap" Tag is used in referring to the modified Android code which can be found inside Kernel Repository. Glass OS was discontinued on June 20, 2017.

Release history

The following list shows the main changes happened for each update release. For more detailed release notes visit .

April 11, 2013: XE4.0

Initial release.

May 7, 2013: XE5.0

XE5 updates included:
  • Change to sync policy: require power + WiFi for background uploads
  • Crash reporting
  • Incoming G+ notifications, including ability to comment and +1
  • Incoming Hangout notifications
  • Transcription of queries & messages is now wicked-fast
  • Long-press to search from anywhere in the UI
  • International number dialing + SMS
  • Hop animation on disallowed swipes in the UI
  • New On-Head Detection calibration flow
  • Show device Serial Number on Device Info card
  • More reliable estimation of battery charge remaining
  • New recipient-list mosaic

June 4, 2013: XE6.0

XE6 updates include:
  • Better photos through Glass
  • Voice annotate your photos and videos when sharing
  • Improvements to On-Head Detection. Please re-calibrate to enable the improvements.
  • Improved cards in Google Now for Sports, and a new card for Birthdays
  • Fixes for several issues

Glass OS update

Glass updated itself automatically over the air. Glass checked Google servers periodically for updates. When an update was available, Glass downloaded it to the device and installed it. This required the device to be connected to a charger and a Wi-Fi network.