certain standards are followed by all electronic manufacturers and the same applies to cellular technology.
No, only Rzrs that worked on GSM networks have sim cards. Rzrs that worked on CDMA networks did not have a sim card slot.
A SIM free phone is one that does not have a SIM card included with the phone. This type of phone may not be able to be used with all networks. Some networks require a SIM card.
All mobile networks require a SIM card or similar.
yes
it has to be unblocked to open the phone to all networks or find out what network the phone was origonaly made for and get one of them sim cards.
If the smartphone has been unlocked from all networks - yes.
all phones have the same sim card slot!
A sim free mobile is a mobile phone that can be bought which is unlocked to any network. i.e: can be used on any network, and not specifically one eg; o2. ~ AshJordan
No you can't, all Sims are given the same voice.
yea i have gotten several phones from att and used the same sim card for all of them, and kept the same phone number.
The Phone Number is assigned to the SIM card. If you put the SIM card into the new phone, the number will be the same, However not all SIM cards wil transfer to all phones.
No, there are multiple sizes:FullMiniMicroNanoEmbedded