Skip to content
Söğütlüçeşme · Kadıköy / Istanbul Free two-way shipping across Turkey
Closed now · opens today at 09:30Closed · opens at 09:30 +90 537 958 02 02 TREN
Blog1 min read

Common phone problems and fixes: a guide from symptom to repair

Some phone faults clear with settings and simple steps; others need a part repaired. The table below shows what to try first at home for the most common symptoms, and when to bring the phone in. A factory reset erases your data; back up first.

Cep Market Repair TeamIn Kadıköy since 2006
Key points
  • Some faults clear with settings and a restart.
  • Rule out outside causes such as the cable, case and protector first.
  • A factory reset erases data; back up first.
  • Heat, swelling and liquid contact should be checked without delay.
  • Diagnosis is free.

01From symptom to fix

SymptomTry firstIf it continues
Not chargingAnother cable, clean the portCharging port or IC
Battery drains fastCheck battery health, updateBattery replacement
Cracked screen, stainsClear tape, back upScreen replacement
Touch acts by itselfRemove the protector, unplugScreen check
No soundBluetooth and audio outputSpeaker or IC
No networkAirplane mode, try the SIM in another phoneAntenna or IC
Will not turn onCharge for half an hour, force restartBattery or board

02Get these checked without delay

  • Swollen battery: Unplug it and stop using it.
  • Liquid contact: Switch it off and do not charge; a device brought in early has a better chance.
  • Overheating: A phone that heats up when idle can point to a board fault.

03Repair types

You can explore part repairs on a 3D phone on our repair types page. For details of the most common repairs, see our screen replacement and battery replacement pages.

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

Does a factory reset fix faults?

It can help with software problems, but it erases all data. Back up first; it does not fix hardware faults.

02

Which faults should not wait?

A swollen battery, liquid contact and heating up when idle should be checked without delay.

03

Is the diagnosis free?

Yes, the diagnosis is free. The repair options are explained and nothing is done without your approval.

04

Will the repair 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

★★★★★

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
★★★★★

Decent, genuine people with amazing care and attention. God bless them, wonderful people.

Can Ç.Customer review · Translated from Turkish
★★★★★

You looked after me very well, thank you. I am pleased.

Mustafachef58 Z.Customer review · Translated from Turkish

From our customers’ reviews. All reviews

Blog

More articles

All articles
Blog1 min read

Phone works but the screen is black: what to do

If your phone rings or vibrates but the screen is black, the phone is on; the problem is the screen or its connection. Force restart and charge it first. Shine a torch close to the screen in the dark: a faint picture means a backlight fault. If it started after a drop or liquid, the screen is usually replaced.

Read article
Blog1 min read

Lines on the phone screen: causes and fixes

Vertical, horizontal or coloured lines on the screen usually mean the display panel or its connection is damaged. A quick screenshot test tells you in seconds whether the problem is software or the panel.

Read article
Problem not on the list?

Send the model and symptom on WhatsApp; diagnosis is free.