No signal for two weeks , no messages and can not make a call

[Mon88]

No signal for two weeks what is happening in London w3.Receiving no messages and can not make any calls. 

[jonsie]

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 can I sort out my network issues?