How to Lock Display on Iphone Se

How to Lock Display on Iphone Se

The proximity sensor responds to the iPhone screen off function during a call. It fires when something covers it. During a conversation, this “something” is the head of a person, to which the iPhone is brought. Thus, if the iPhone screen does not go blank during a call, the proximity sensor is to blame. In this guide, we talked about how to figure out why the screen does not go blank while talking on the iPhone.

Stick a piece of tape on the proximity sensor

Most often, problems with the proximity sensor occur after replacing the screen on the iPhone. The sensor brings to senses one repeatedly tested method. On the sensor you need to stick a small piece of transparent adhesive tape, and then paint over the adhesive tape with a black marker.

Masters of service centers also note that instead of scotch tape it is more efficient to use a piece of stationery gum about 5 mm long. It needs to be glued between the light and proximity sensors, after which the problem with the iPhone turned on during the conversation will disappear.

Of course, in order to access the sensor iPhone will have to disassemble. You can do this with your own hands. The instructions below detail how to analyze different iPhone models:

Video: How to Lock Display on Iphone Se


  • How to disassemble iPhone 4.
  • How to disassemble iPhone 5.
  • How to disassemble iPhone 5s.
  • How to disassemble iPhone 6/6 Plus.
  • How to disassemble iPhone 6s / 6s Plus.

Remove the protective film / glass

However, far from always it is about a sensor breakdown. Sometimes the fault for the inability to operate it lies on a protective film or glass. In the event that the film or glass is dark in color, the proximity sensor simply cannot work through them. The solution in this situation is quite obvious. the protective film or glass must be removed.

It is important to note that if the proximity sensor on your iPhone with the film worked correctly for a long time, then the likelihood that the problem is with the sensor blocking the film is pretty low.

Restore iPhone

If the issue is not in the film, then most likely the proximity sensor is out of order. However, before you go to the service center, or start an independent iPhone repair, it is recommended to check your smartphone for a software error. Rarely, but still it happens that the failure of the proximity sensor is precisely the failure of iOS.

Reset all errors allows iPhone recovery through iTunes. A detailed description of this process is available at of this instruction.

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