I have an old sony ericsson Z550i handset.when it receives calls the network signal drops down,in the other Nokia handset which I used to call to above mentioned sony phone receive a very low ringing sound and sometimes terminate as error in connection.
my blackberry phone asks me for a puk number when i insert the sim. i cannot locate this number...
(More)
my blackberry phone asks me for a puk number when i insert the sim. i cannot locate this number anywhere on the sim card packaging.how do i get by this