Phone calls not working

3 replies
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My iD SIM has mobile data working, but I cannot make or receive calls. My iPhone detects the physical SIM, but Settings does not show Voice & Data or a VoLTE/4G Calling option of show a phone number. Under Settings → General → About, the Physical SIM shows Network: Not Available.

Gemma MAnswer

iD Mobile Employee

Hi @fhj2015,

I'm sorry to hear you're having issues with calls.

From what you've described:

Mobile data is working.
The SIM is being detected by the iPhone.
Network: Not Available is showing under the SIM details.
There is no Voice & Data or 4G Calling/VoLTE option.
Your phone number isn't showing in the settings.

Could you please try the following:

Restart your iPhone.
Remove and reinsert the SIM card.
Ensure Automatic Network Selection is enabled:
Settings > Mobile Service > Network Selection > Automatic
Check for a Carrier Settings Update:
Settings > General > About
Wait for 30 seconds to see if an update prompt appears.

Reset Network Settings

Go to Settings.
Tap General.
Select Transfer or Reset iPhone.
Tap Reset.
Select Reset Network Settings.
Restart the phone.

If possible, also try the SIM in another handset to see whether calls work there.

If the issue persists after these steps, please contact our Customer Service Team via Live Chat so they can check the SIM provisioning and account status: https://www.idmobile.co.uk/live-chat

Regards,

Gemma M
The iD Mobile Social Media Team

Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

Gemma MAnswer

iD Mobile Employee

Hi @fhj2015,

I'm sorry to hear you're having issues with calls.

From what you've described:

Mobile data is working.
The SIM is being detected by the iPhone.
Network: Not Available is showing under the SIM details.
There is no Voice & Data or 4G Calling/VoLTE option.
Your phone number isn't showing in the settings.

Could you please try the following:

Restart your iPhone.
Remove and reinsert the SIM card.
Ensure Automatic Network Selection is enabled:
Settings > Mobile Service > Network Selection > Automatic
Check for a Carrier Settings Update:
Settings > General > About
Wait for 30 seconds to see if an update prompt appears.

Reset Network Settings

Go to Settings.
Tap General.
Select Transfer or Reset iPhone.
Tap Reset.
Select Reset Network Settings.
Restart the phone.

If possible, also try the SIM in another handset to see whether calls work there.

If the issue persists after these steps, please contact our Customer Service Team via Live Chat so they can check the SIM provisioning and account status: https://www.idmobile.co.uk/live-chat

Regards,

Gemma M
The iD Mobile Social Media Team

Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

Z

ZLima

New Contributor

I’ve tried all the troubleshooting steps available to me, including resetting my network settings several times. I’ve also ordered a replacement physical SIM and an eSIM; however, the physical SIM never arrived.

I’m still unable to make or receive calls, despite having Wi-Fi Calling enabled.the only time I can make a call is when I turned on/off plane mode. Literally only after then I can make a call. I miss all my calls. I receive a SMS several seconds later to tell me I missed calls. No focus is turned on.

Could you please help me resolve this issue?

Gemma M

iD Mobile Employee

Hi @ZLima,

I'm sorry to hear you're still experiencing this issue.

As you've already tried the troubleshooting steps, reset your network settings multiple times, and the problem temporarily resolves when toggling Airplane Mode, we'd recommend trying a replacement SIM card, as this can help rule out a SIM-related issue.

You can get a replacement SIM in either of the following ways: