Atoto A6 Firmware Update original APK file 2019-2020 - newest version Download and upgrade Stock firmware with Atoto A6 Firmware Update A New Way To upgrade Atoto A6 Firmware Update Android firmware newest version, supported android 9, 10, 7, 5, 8, 4, 6. Yes different, but newer (A8 released on June 1, 2020, whereas A6 is 2018). 2020-08-05 17:45. Volume went low from the word go today, and the phone had a majot update over night last night. I was convinced it was to do with that, the update had changed a setting or screwed something up somewhere. However no, it was simply the earpiece holes blocked with dust and *****. Thanks for the so simple solution to the problem. Kind regards, Joe.