Download the full Marshmallow RUU firmware file for AT&T HTC One M8

HTC One M8 on AT&T has started to getting its Android 6.0 Marshmallow update. Aside from the new Android Marshmallow version, the update brings also new AT&T build 6.20.502.5. Have you got the update yet? The full RUU firmware file is already available for download.

Firmware Information

  • Android Version: Android 6.0 Marshmallow
  • Android Security Patch Level: Pending
  • HTC Sense Version: HTC Sense 7.0
  • Baseband Version: Pending
  • Kernel Version: Pending
  • Model Number: AT&T HTC One M8
  • Support Network: LTE 4G
  • Build Number: 6.20.502.5
  • Build Date: Pending
  • Country: America
  • File Name: RUU_M8_UL_M60_SENSE70_ATT_MR_Cingular_US_6.20.502.5.exe
  • RUU Download: Link 1
  • Uploader: HTC

Update Notes

  • The new Android 6.0 Marshmallow update
  • The Google Settings have now been merged with the main Settings
  • Long press the Home button to use the Now On Tap
  • New options for the buttons

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