Android One users who are running on the Android 6.0 Marshmallow will receive the OTA update in the coming days. If you have not received the OTA update notification (check it by going to settings -> about phone -> system update), you can download and install the update manually.

Micromax Canvas A1 and Spice Dream Uno users follow the below guide to update their phone to Android 6.0.1 Marshmallow manually by downloading the OTA zip file. The below procedure will not wipe your device.

How to Install Android 6.0.1 OTA update Manually on Android One

  1. Download the Android 6.0.1 OTA zip file (build MMB29K) for Micromax Canvas A1 [HERE] and Spice Dream Uno [HERE]
  2. Save the zip file in your phone’s SD card
  3. Boot your phone into stock recovery mode. To do so, power off your phone, then press and hold Power + Volume Up button together for a few seconds.
  4. In recovery, select apply update from SD card.
  5. Choose Marshmallow 6.0.1 zip to flash it. Once done, your phone will reboot. Enjoy new Android 6.0.1 Marshmallow on your Micromax Canvas A1 and Spice Dream Uno.