Bye bye the locking screen by Corentin Bechade (@corentinbéchade)) Share:

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Iris sensor, fingerprint sensor, facial recognition...These are not the solutions that are missing on Android to facilitate the unlocking of his mobile.But in addition to the different sensors that manufacturers implement or not on their mobiles, there is a solution integrated into all phones with Android in Lollipop or higher version: Smart Lock.As its name suggests, this solution tries to use the intelligence of the phone and its plethora of sensors to avoid as much as possible the tedious task of having to enter a code or a diagram to unlock your mobile.Small explanation on the functioning of the beast.

The option that interests us here is in the Android settings.Depending on the overlay and the modifications made by each manufacturer, it can be hidden in various corners of the application.The explanations on the path to follow for the Samsung, LG and Sony mobiles are detailed below.The steps are in any case more or less the same on most Android implementations.

On an "stock" Android, go to the Settings application, Security section, then select Smart Lock.At Samsung, the route is almost the same, since it will be necessary to go to the category "Lock/Safety screen" then "Secure lock parameter".You will have to go to "Lock screen" to find the option at LG, while on the Sony mobiles, to finish, Smart Lock is in the "screen and safety locking" submenu ".Unfortunately, the Huawei mobiles cannot take advantage of Smart Lock, the manufacturer having decided to deliver his own intelligent unlocking mechanism, less rich in functionalities than that of Google.We will come back to it in the part dedicated to unlocking via Bluetooth.

Movement -based unlocking

After entering your pine or diagram and passed an explanatory short screen detailing the functioning of the functionality, you find yourself in the Smart Lock submenu in front of a list of several options.The first "detection of the device when worn", talks about itself and allows you to keep the mobile open as long as you unlocked it at a time t and kept in motion, the phone will reverrouse automatically fromthat he will be placed on a table.The activation is simple, simply click on the option and then, on the screen detailing the functionality, activate the switch located at the top right.Technically, this makes it possible to avoid, for example, to have to rely your pine or your diagram during the journey between your workplace and your home.However, as Google explains when activating the function, the phone does not make the difference between you and a third party.If you are flying your phone, the person can consult all your content as long as they move.Not ideal security question, so.

Places of trust

The following option is practical, but requires keeping your GPS active at any time."Places of trust" make it possible to define a list of geographic locations in which the phone will remain unlocked.Thus, the home and the workplace can be defined as safety havens where it is no longer necessary to unlock your mobile.Once the option has been selected, click on "Add a checked place", drag the cursor to the card to select the desired place, and click on "Select this position", then OK.Be careful all the same, the mobile will remain open within a perimeter of 200 meters around the determined position.To avoid therefore in malfamous places.This is probably one of the most effective options to reduce the time that you spend your mobile, but it will necessarily have an impact on mobile autonomy.

Bluetooth unlocking

The third option, "verified devices", is probably one of those that combines the best security and minimum impact on the battery.It allows you to keep your phone open as long as it is connected in Bluetooth to a determined device (helmet, speaker, watch...)). Pour l'utiliser, il est nécessaire d'avoir déjà couplé un appareil Bluetooth à son mobile, puis d'aller dans "Smart Lock" ==> "Appareils vérifié" ==> "Ajouter un appareil vérifié" ==> "Bluetooth", puis de sélectionner l'appareil en question.A notification should also appear each time you connect a device allowing you to add it as verified accessories.So, if you wear a smartwatch or a Bluetooth helmet, you will never have to enter a pine or a diagram as long as your phone is connected.

This method is also the only one found on Huawei mobiles;It is in the "Lock screen" section and works more or less in the same way.

Facial recognition

The fourth option is that of facial recognition.Many manufacturers boast of embed such a functionality on their phones while it has been native on Android for a long time.Be careful all the same, the option is not impeccable reliability question, and as Google specifies, someone who looks like you will be able to unlock your smartphone.It is for this reason that some manufacturers have removed it from their mobile.For those ready to make a slight security sacrifice, the configuration is simple: press "Verified face", then "configure" and let the phone work, taking care to put your face in the center of the circle appearing on the screen.

Once your face is memorized, it is advisable to relaunch the operation, with or without your glasses, in different light conditions, etc..To do this, simply click on "Improve facial correspondence".Once the service is activated, it will run in the background as soon as you wake up your mobile and try to recognize yourself before you have even been able to grasp your pine or draw your diagram.

Voice verified

The last way proposed to unlock your mobile intelligently is the "verified voice".Drawing on the “OK Google” mechanism, this feature allows you to unlock your phone at the same time as you launch a search.Be careful however, as for the detection worn and recognition of faces, this feature can ask certain security concerns, because "a person whose voice looks like yours or who has a recording of your voice can unlock your device", warns Google.In view of the number of times our mobile, being in front of the TV or during a discussion our mobile, woke up thinking hearing “Ok Google”, we can attest that the functionality is actually moderately reliable. Néanmoins, si vous êtes prêt à prendre le risque, alors rendez-vous dans "Smart Lock" ==> "Voice verified", et activez l'interrupteur “Voice verified”.If your voice is already recorded, you will have nothing more to do, otherwise you will need to train your mobile to recognize your voice by repeating “Ok Google” 3 times.

None of these solutions is therefore without risk, and as often the practicality is a bit on security, but for those ready to make some sacrifices, a small mix of these options can very much reduce the arduousness of having to unlock your phone 50times in the day.This can also be useful in case your brand new high -end phone has a particularly poorly placed fingerprint reader...

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