topic Unable to make calls in Pay Monthly

Unable to make calls

Katy6 — Wed, 13 Aug 2025 08:05:52 GMT

Hello

I have changed phones and put my origional sim card into my new phone. This was 24hours ago but I am still unable to make calls.

Re: Unable to make calls

TallTrees — Wed, 13 Aug 2025 08:21:33 GMT

Hi @Katy6

Is the sim card fitted properly?

Sometimes restarting phone helps.

Can you check your network connections

Check your signal strength

Check phone not in airplane mode

If it is a reused phone is it locked to another provider

Re: Unable to make calls

jonsie — Wed, 13 Aug 2025 11:15:33 GMT

Was this a replacement for lost or stolen

Was it an upgrade

Either way

We’re just customers like you but it sounds like you’ll need someone to access your account which can’t be done from here. If you message O2 using the links below, they should be able to help you with this

or give them a call on 202 or 0344 809 0202

Guide: How to find help & contact O2