Learn how to check the software version and see official versions for the HTC One (M8). Find out more on this page:
Beginning September 8, the HTC One (M8) received a software update to 4.20.531.5. This update provides:
Messaging security improvements
Software update: Automatic (OTA)
Software update: Download
To check the current software version, follow these steps:
Your software is up to date. There are no updates available.
This document will be updated if and when new software is available.
Your phone can update to software version 4.20.531.5.
If the update fails, contact customer care.
Your phone has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.
To be able to update to the current software version, the below requirements must be met:
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This software update will not be pushed to your phone. For steps to manually check for a software update, see Software update: Download below.
You can download and install the software update:
From the phone
Update software from the phone
To check for updates and download the update from servers, follow these steps:
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