[jules76uk]

w550i help? right i have had a sony w550i for a while now unlocked it is, now i got some sim cards through other day to try vodafone, so first 3 were just saying rejected so the threw them then tried next and it worked so was happy, took it out tried next, and phone u can hear certain things but not see anything and then after so long you can see my theme of flowers but but no writing, also like when u power phone up usually u get the sony erricson sign then vibrates then on but this time u get vibrate but no logo. whats happened is it the sim cards that done it what can i do, or just copincidental! help please xxxx