https://community.o2.co.uk/t5/Android/new-sim-not-working-or-phone-blocked/m-p/568642#M26032 O2 will have put a block on your account. You need to contact CS to get it lifted.<BR />See contact us at the bottom of the page. Sun, 17 Nov 2013 20:05:53 GMT MI5 2013-11-17T20:05:53Z https://community.o2.co.uk/t5/Android/new-sim-not-working-or-phone-blocked/m-p/568636#M26031 <P>hi there,</P><P>i had my phone stolen last night and got a new sim today and put it in my previous phone but i cant send or receive calls texts etc...please advise</P> Sun, 17 Nov 2013 20:02:38 GMT https://community.o2.co.uk/t5/Android/new-sim-not-working-or-phone-blocked/m-p/568636#M26031 Anonymous 2013-11-17T20:02:38Z https://community.o2.co.uk/t5/Android/new-sim-not-working-or-phone-blocked/m-p/568642#M26032 O2 will have put a block on your account. You need to contact CS to get it lifted.<BR />See contact us at the bottom of the page. Sun, 17 Nov 2013 20:05:53 GMT https://community.o2.co.uk/t5/Android/new-sim-not-working-or-phone-blocked/m-p/568642#M26032 MI5 2013-11-17T20:05:53Z