Is Straight Talk iPhone compatible with Verizon?
Is iPhone 5S compatible with Verizon?
How do I switch my Straight Talk phone to Verizon?
They’ll be able to tell you if your phone is compatible and ask if you want to proceed with the switch. You can choose to keep your old Verizon phone number or get a new number from Straight Talk. After checking if your phone is compatible, you’ll need to unlock your Verizon device.
Can iPhone 5S be used on any network?
Sure, if a supported carrier & the carrier offers such. Yes, iPhone 5S can use a 4G network.May 10, 2014