Solution – Screen Going Blank During Calls on YU Yureka

Yureka recently started receiving the Cyanogen 12 update based on Android 5.0 (Lollipop). The update has however brought a bunch of bugs with it; one of them is the issue with Proximity Sensor of the device which causes the phone’s screen to turn off during an incoming or outgoing call. The issue was there in the KitKat OS as well, but it was a way less common. Anyways, while we expect YU or Cyanogen to push an incremental update fixing the issue, here’s a possible solution which should help.


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  1. Outgoing & Incoming Calls – Screen turns off during a call
  2. Incoming Calls – Screen turns off as soon as you receive a call making it impossible to even pick up the call.

Fixing the Blank/Black Screen Issue

The blank (or black) screen during calls is caused by the Proximity Senor of the phone. It is a hardware issue with the sensor as its detection is not as robust as it needs to be. Calibrating the proximity sensor manually can fix or at least reduce the occurrence of Blank Screen during incoming and outgoing calls. Follow these steps to calibrate the Proximity Sensor on your Yureka.

This only applies to users who have updated to CM12/Android Lollipop. If you haven’t yet, check the update instructions here.
  1. Open the DialPad on your Yureka
  2. Dial  *#*#7769#*#*
  3. In the proximity calibration screen, tap on StartStart Calibration Yureka Cyanogen 12
  4. Wait a few seconds till it reads Calibration Good (in green)calibration good yureka cyanogen 12
  5. Tap Exit and you’re good to go.

That’s it. Most likely you won’t face the issue on the next call that you receive. If you still face it, make sure that there is no dust or screen protector covering the Proximity Sensor. Then restart your phone and consider repeating the steps again.

Don’t forget to leave your response in the comments section below. We’d like to know if this solved the problem for you or not.

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1,203 Responses to Solution – Screen Going Blank During Calls on YU Yureka

  1. Mahesha P October 25, 2016 at 10:13 am #

    Display light is going to off when out going calls

  2. Srinivasa Kumar. P November 1, 2016 at 5:56 pm #

    I faced this problem (screen getting black while making call) on my Yureka A5510 mobile after installing Jio4GVolte app. After following these steps (calibration of proximity sensor) worked Flawlessly this trick. Very Very helpful, thank you very much.

  3. Baskaran K November 2, 2016 at 8:09 pm #

    This trick fixed my black screen issue in Nexus 6. Thanks a lot.

    • Narender Singh November 3, 2016 at 3:21 am #

      I thought the setting was only deployed in Cyanogen OS. Strange to see it working in nexus with nearly stock android.
      But still wonderful to hear that it helped you out. Unfortunately it isn’t a permanent solution.

  4. Biswanath Tewari November 8, 2016 at 11:57 am #

    Nothing comes after dialing the code on my YU yuphoria. the screen goes black and it did not respond until the call ends…
    Please help!!

  5. raj November 12, 2016 at 1:59 pm #

    Oh… Wow it worked. I am so happy after long period this is solved. I should have visited this question before finally you rocks.

  6. Hema November 14, 2016 at 11:51 pm #

    My phone was having the same problem and this was very useful tip… Very happy to follow the same

    • Narender Singh November 15, 2016 at 1:31 pm #

      I’m glad that it has helped you. Share the article with your other friends who have the YU devices.

  7. jayant November 18, 2016 at 4:24 pm #

    It worked. I had uninstalled jio app and even factory reset my phone but the problem had persisted. Now its fine !!

  8. SAQIB ZAHOOR December 2, 2016 at 7:30 pm #

    I faced this problem (phoe restarts while making call) on my Yureka A5510 when i dial this code my phone restart so what can i do ???? Please help me…

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