my phone is still not working after almost 3 weeks

[Anonymous]

hi i had my phone stolen whilst i was on holiday i was using the samsung a3 i had to have my phone blocked im now trying to use an old device i have been to the o2 store twice the first time they changed my sim which was faulty last week i went and they put another sim but after 24 hours and them messaging my complaint to o2 guru my phone im using currently is samsung galaxy core i am still not able to use messaging calls and there is no signal to 02 i phoned customer service and i couldn't even clear the security this is now beyond a joke as i am a pay monthly customer i need help with this problem to be sorted

[jonsie]

It sounds like the account is still blocked so you need to call them. You can change the security question in My O2. 

[MI5]

Yes, usually when reported as lost or stolen the phone and the sim card will be barred, so customer services need to lift the sim block.

[Martin-O2]

Welcome to the forums @Anonymous  Please let us know how you get on with unlocking your phone.