This is the exact same behaviour iOS shows - the BT stays on to allow for fast bluetooth pairing, indoor precise location, nearby communications and a few other things.
Last I checked the details, the data didn't leave the device but it was awhile ago.
zepto
Except that it does leave the device with android
izacusOP
Can you link to some source? Last time I checked it didn't if Location History was off.
Last I checked the details, the data didn't leave the device but it was awhile ago.