@Rachelle87The other way if you cant get through to o2, is to use Checkmend (it does cost £1.99 per device) but will tell you instantly if the phone is blocked.
You will need the IMEI number, which can be obtained by going to the dialler and typing *#06#
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iPhone 16 Pro Max - o2 and Spusu
Xperia 1V - Spusu
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This is not customer services and we dont have access to your account
I do not work for o2 or any VMo2 /Telefonica/Liberty Global Company