Hi, I'm in the UK on Tesco (O2) network and have had my Wildfire running for a week. People are telling me it takes 10-15 to be able to get through to me, and similarly I can't make outgoing calls to mobiles or landlines for periods of time, although strangely I can call voicemail (905) and Tesco customer services (4455). I had a play in network settings and have changed from what is defaulted as GSM/WCDMA auto network to GSM only and have immediately noticed the signal strength indicator has gone from the previous 2 bars to the full 4. Time will tell if this has solved the problem but wondering if anyone else had the same issues? Also would anything else be affected by my changing the network option? Thanks for any help.