Hi ​@Stuart Allen,

I am so sorry to hear of the issues that you are experiencing with your calls. 

There are a few troubleshooting steps that can sometimes help improve connection, such as checking your network settings, restarting your device, ensuring your software is up to date, and trying your SIM in another handset to rule out a device-related issue.

Additionally, you can try the below troubleshooting steps or check your coverage on the link - https://www.idmobile.co.uk/help-and-advice/coverage

• Open Settings
• Tap General Management
• Tap Reset
• Select Reset network settings

Regards,

Gemma M

The iD Mobile Social Media Team

Hi ​@Stuart Allen.

Please try the following steps to see if this resolves the issue:

Remove your SIM card from your Samsung S25.

Gently wipe the SIM card to ensure it’s clean.

Reinsert the SIM into your device and restart your phone.

~Marquerita