Most B3-A40 tablets shipped with Android 7.0 (Nougat) or 8.1 (Oreo). This is the most effective method for this specific model.
Remove account.
The FRP bypass process for the Acer Iconia One 10 B3-A40 involves several steps. Please follow the guide carefully: acer iconia one 10 b3-a40 frp bypass