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Use this page to identify software versions for the OnePlus 8 as well as details on recent software updates.


Identify the device's current software version

Android 10

  1. From the Home screen, swipe up, then tap Settings.
  2. Tap About phone. Scroll down to view the Build number.
  3. Review the information in the Review software version details section below.


Review software version details


Android 10

Build: 10.5.17.IN55CB

August 4, 2020

Enable standalone 5G

July 2020 Security updates

Additional updates and improvements

Available August 4, 2020

If your device meets the requirements below, this update will be available to download. There's a daily limit on downloads. If it's not available yet, check back tomorrow or after August 31, when the daily limit is lifted.

Android 10

Build: 10.5.10.IN55CB

June 18, 2020

June 2020 Security updates

Available June 18, 2020

Android 10

Build: 10.5.7.IN55CB

April 29, 2020

Original OEM software

Available April 29, 2020

Other versions



Your device has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.


Determine update requirements

Your device must meet the following requirements to update your software to the most current version:

  • 50% or higher battery life
  • Data connection
  • File size: 255 MB


Update software versions

Update automatically over the air (OTA)

  1. From the Home screen, swipe up, then tap Settings.
  2. Tap System > System update > Check for update.
  3. Follow the onscreen prompts to update to the latest software.


Issues after updating

If you experience issues after updating to the latest software version, follow these steps:

  1. Wipe your cache partition to make sure that all system files on your device are put back in order.
  2. If wiping the cache partition does not work, you may need to perform a master reset.

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