Maybe a little off topic for here, but .......
Are all mobile phone sim cards interchangeable ?
I have a very old phillips phone and a siemens 55 both on the O2 pay as you go. The sim card from the siemens works in the much older phillips but putting the phillips in the siemens gives access to phone book and messages etc, but gives a card error on trying to establish a network connection.
I'll be very happy to be educated on sim cards, thanks.
Are all mobile phone sim cards interchangeable ?
I have a very old phillips phone and a siemens 55 both on the O2 pay as you go. The sim card from the siemens works in the much older phillips but putting the phillips in the siemens gives access to phone book and messages etc, but gives a card error on trying to establish a network connection.
I'll be very happy to be educated on sim cards, thanks.