Updated
Firmware update fails below 50%
Applies to Even G2.
A G2 firmware update that fails in the first half usually fails while the phone is sending the file. Even's checklist reflects that: a stable connection on the phone, the Even Realities app kept open in the foreground, and an up-to-date app. Retry from the failure screen first. If it fails again, Even's next step is a factory reset of the glasses from Device Information in the app, then another attempt, and after that a different network on the phone.
Official steps
- Make sure the phone has a stable connection, the app stays open in the foreground, and the app is up to date.
- Exit the failure screen and try the update again.
- In the app go to Device Information, tap Factory Reset, then retry the update.
- Switch the phone to a different network and retry.
- If it continues, send support the serial number, app logs and the percentage where it failed.
Steps from the maker's support pages.[1]
Still not working?
If it keeps failing below halfway, send Even support the serial number, app logs and the percentage where it stopped. Add the time it happened and your phone model. Even uses the percentage to tell early failures from late ones, which have a separate fix.
Questions people ask
Why must the app stay open during a G2 update?
Even's steps ask for the app to stay in the foreground with a stable phone connection while the update runs.
What if the update gets past halfway and then fails?
That is a separate case with its own steps, starting with a restart of the glasses. See G2 update fails above 50 percent.
Does switching networks help?
Even lists it as a step: move the phone to a different network and retry after a factory reset has not helped.
How do I contact Even about a failed update?
Even's update article links to its contact form at evenrealities.com/contact.
Other fixes
- Even Realities app can't find your G2 glasses
- G2 keeps disconnecting from the Even Realities app
- Even G2 error codes 920, 521, 818, 103 or 015
- G2 firmware failing after 50 percent: restart and retry
Sources
- support.evenrealities.com(support.evenrealities.com)
- G2 firmware update failed below 50% (Even Realities support)(support.evenrealities.com)
Last verified 5 October 2026 against the sources listed on this page.