https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186737#M14944 You need to contact customer services to ask them to activate it. You can also use <!-- m --><A class="postlink" href="http://swapmysim.o2.co.uk/">http://swapmysim.o2.co.uk/</A><!-- m --> Sun, 12 Dec 2010 17:34:47 GMT Anonymous 2010-12-12T17:34:47Z https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186736#M14943 yesterday i post here about my 3.5g sinal problem. finally i get my new sim but i don't know if i can use it now or i have to wait . Sun, 12 Dec 2010 17:23:33 GMT https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186736#M14943 Anonymous 2010-12-12T17:23:33Z https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186737#M14944 You need to contact customer services to ask them to activate it. You can also use <!-- m --><A class="postlink" href="http://swapmysim.o2.co.uk/">http://swapmysim.o2.co.uk/</A><!-- m --> Sun, 12 Dec 2010 17:34:47 GMT https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186737#M14944 Anonymous 2010-12-12T17:34:47Z https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186738#M14945 the guy in the o2 store activate the sim.. but he said that i have to wait 48 hours which is ridiculous for me. Sun, 12 Dec 2010 17:39:23 GMT https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186738#M14945 Anonymous 2010-12-12T17:39:23Z https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186739#M14946 ok its fine now . Sun, 12 Dec 2010 17:51:47 GMT https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186739#M14946 Anonymous 2010-12-12T17:51:47Z https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186740#M14947 So, not 48 hours then <img class="lia-deferred-image lia-image-emoji" src="https://community.o2.co.uk/html/@0149A0826AE09C35D3CA6504D2F91C64/images/smilies/001.png" alt="grin" title="grin" /> Sun, 12 Dec 2010 19:27:23 GMT https://community.o2.co.uk/t5/Discussions-Feedback/how-long-does-activation-of-replacement-sim-card/m-p/186740#M14947 Anonymous 2010-12-12T19:27:23Z