ok i bought my blackberry 8900 round a year ago desblocked
i use it perfectly for all that time even in mexico it used to work perfectly
recently i move to israel, i just contracted a bb plan in cellcom (israeli carrier)
and everything works perfect except the BBM!!the weird part is that i can send and receive messages from people who are inside israel(even different carriers) but the problem comes when i try to send messages to people who is outside israel (for example the states,mexico,panama)
i know the problem is from my device because i tried the sim card in other bb and works perfect
please helpppp