Yes. It is the android version.
The following will be removed from the phone when you do a factory reset:
Files such as your music, photos, videos, and documents can also be deleted from the storage, if you chose to do so.
Be sure to back up any data and files you want to keep before you do a factory reset.
If you can’t turn HTC One on or access settings, you can still perform a factory reset by using the hardware buttons on HTC One.
Cannot complete this function. Shows "battery too low". Have used a different charge lead but will still not charge battery.
No. It is a sealed unit.
okay, do you have a different power adapter that connects to the wall outlet?
Yes. Have tried that but no change. Still not charging.