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(ARCHIVED) airMAX - Firmware Image Check Failed. Error Code: -7

This article has been archived. Applies to version: airOS 7.1

This article is about an outdated firmware error. It is no longer supported and will not be updated further. We recommend to always upgrade to the newest firmware release to prevent security issues.


When trying to upgrade firmware from 7.0.3 to 7.1.x you get the following message: Firmware image check failed. Error code: -7

Cause & Solution

Cause: Early units on 7.0.3 firmware require a transitionary firmware to upgrade to later versions.  

Solution: Please upgrade units on 7.0.3 first with THIS 7.1 firmware. Afterwards, you can upgrade directly to any version greater than 7.1.

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