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Blog1 min read

Phone screen going dark by itself: when does it happen?

If your phone screen goes dark by itself, the most important clue is when it happens. Going dark after a few seconds without touch is the screen timeout; in calls, the proximity sensor; outdoors or while gaming, heat protection; brightness dropping by itself points to adaptive brightness or the light sensor.

Cep Market Repair TeamIn Kadıköy since 2006
Key points
  • Note when the screen goes dark.
  • Going dark when idle is the screen timeout setting.
  • Going dark in calls is the proximity sensor’s job.
  • A hot phone lowers brightness temporarily.
  • A protector covering the light sensor can lower brightness.

01When does it go dark?

When?Possible causeWhat to do
After a few seconds without touchScreen timeoutLengthen it in display settings
In calls, before it reaches your earProximity sensorCheck the protector and dirt in front of the sensor
Outdoors, while gaming or chargingHeat protectionCool the phone in the shade
Brightness drops by itselfAdaptive brightness or the light sensorTurn the setting off and on; clean in front of the sensor
When the battery is lowPower saving modeCheck the power saving settings

Menu names vary by manufacturer and version.

02In front of the sensors

The adaptive brightness and proximity sensors sit at the top of the screen, near the front camera. A thick or lifted protector, dirt or a crack over this area can make the screen go dark at the wrong time. Going dark during calls is covered in turn off proximity sensor: fix it first.

03If the settings are fine

If the screen is dark at full brightness, see phone screen dark at full brightness; if it flickers first and then goes dark, see phone screen flickers then goes black.

Brand › Model › Repair listChoose your model, ask about the faultSamsung models

04How to get your phone to us

Visit our store

Hasanpaşa Mh. Söğütlüçeşme Cd. No: 192 (opposite the mosque car park), Kadıköy. Monday – Friday 09:00 – 20:30 · Saturday 09:30 – 20:30 · Sunday: Please ask.

Send it by post

Free two-way shipping with our contracted carrier from anywhere in Turkey. Send the device without its case, in a well-protected box, with a note giving your phone number and the fault.

Motorbike courier

Within Istanbul you can send your device by motorbike courier; just send us your address and the fault on WhatsApp.

FAQ

Frequently asked questions

01

What should I do if the screen goes dark after a few seconds?

Lengthen the timeout in display settings; power saving mode can also shorten it.

02

Why does the screen go dark during calls?

The proximity sensor detects the phone near your ear; if it goes dark before that, check the protector and dirt in front of the sensor.

03

Why does the screen go dark outdoors?

A hot phone lowers brightness temporarily; it recovers once it cools in the shade.

04

Will a screen replacement delete my data?

Data is usually preserved during a repair; still, you need to back up your data before the repair starts (backups are the customer’s responsibility).

Customer reviews

What our customers say

★★★★★

They replaced the screen of my iPhone 17 Pro Max with an original one within an hour. Emir and Kerem looked after me very well. An amazing business.

Ali E.Customer review · Translated from Turkish
★★★★★

I had the screen and battery of my 14 Pro Max replaced and I am very pleased. Thanks for your work.

Oğuzhan O.Customer review · Translated from Turkish
★★★★★

I think you will be pleased with their approach, their helpfulness and their care.

Our customerCustomer review · Translated from Turkish
★★★★★

This is the place I have shopped at with endless trust and sincerity for 20 years, since the Cep Market days. I am so glad you are here; Teknoway is the only place for me.

Cavidan T.Customer review · Translated from Turkish
★★★★★

A very good business with friendly staff, and they answered every question I had in full. Thank you, Teknoway.

ParlakplaystationCustomer review · Translated from Turkish
★★★★★

A company I have known for a long time that helps in every way it can. I definitely recommend dropping by and at least listening to their ideas and advice.

Murat Y.Customer review · Translated from Turkish
★★★★★

We had a screen protector fitted, and they gave us gifts I think were worth more than the screen protector. Most of all, thank you for the friendly welcome.

Mehmed P.Customer review · Translated from Turkish
★★★★★

Can looked after me very well and fixed the phone flawlessly. Thank you. When the repair was done, I realised I had left my phone with real experts.

Mustafa Ö.Customer review · Translated from Turkish

From our customers’ reviews. All reviews

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Is your screen going dark by itself?

Send your model and when it happens on WhatsApp; we diagnose it for free.