As it befits a contemporary smartphone, One Vision has a fingerprint scanner and a facial recognition system. There is the SmartLock function as well, which can “omit” locks in selected scenarios, for example in a specified GPS location. The fingerprint scanner is great. It works fast and without any errors – it is of course an active one, that is why we do not need to press the power button before placing our finger on it. The facial recognition uses the image from the front camera – so this is not the best and the fastest security option. Still – it works decently, though in a weaker lighting it works definitely slower. Putting on glasses does not disrupt its work – unless they are sunglasses – the camera needs to record at least one eye open.
One Vision has a full communication background – besides obvious things like a dual-channel Wi-Fi or Bluetooth in the 5.0 version, there is NFC, which in this price segment is not so common. All communication modules work correctly, I did not notice any abbreviations.
The sound quality during calls is good, there is nothing bothersome. The external speaker does its job – it is a single one, but it plays loud and clear. There is a built-in FM radio, as well as a minijack. What is more, earphones added to the set are decent, we do not want to replace them from the start. The sound is great, especially when we will take the price of the phone into consideration. We can use the Dolby Audio app mentioned before, thanks to which we can select one of the predefined corrections, or – after plugging earphones – choose our own settings. There is an automatic sound correction as well.