- The phone must be on Wi-Fi or mobile data.
- Go to Settings › General › About.
- If an update is available, a prompt appears.
- No prompt means the settings are current.
- Repeat the step after inserting a new SIM.
01Step by step
- Connect. Connect the iPhone to Wi-Fi or mobile data.
- About. Go to Settings › General › About and wait a few seconds.
- Update. If a carrier settings prompt appears, tap Update.
- Check the version. Tap the Carrier line on the About screen to see the version.
- Restart. Restart the phone after the update.
Menu names vary by iOS version.
02If the signal problem continues
| Symptom | What to do |
|---|---|
| No Service | Reinsert the SIM and try it in another phone |
| No signal only at home | Coverage or Wi-Fi Calling |
| Weak everywhere | Antenna or signal part check |
| No internet | Mobile data and network settings |
See also iPhone no service fix and how to find out which carrier your number is on.
Brand › Model › Repair listChoose your model, ask about the faultiPhone models03How to get your phone to us
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.
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.
Within Istanbul you can send your device by motorbike courier; just send us your address and the fault on WhatsApp.
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