A:AnswerIt was easy to transfer data from my iPhone 5se to my new iPhone se 2020. You just Follow the onscreen directions and set the old phone next to the new one and the data transfers. They send a SIM card and you insert the pin to open the SIM card tray. Then sign into to your online Sprint account and follow the instructions to Deactivate your old phone and activate your new phone. If you have problems, just click the chat box and they will walk you through it.
A:AnswerYes, absolutely. Same design with highly upgraded internals, camera, wireless charging, better battery with fast charge capability. Will last for many years with A13 chip. Great value.
A:AnswerIt's my understanding that the $349 price is only applicable if you're a new customer or you're adding a line. You'd have to pay the upgrade price in your example.
A:AnswerVery much so. Upgraded two phones and received excellent service at Combined store. New SIM card says Says T-Mobile on new phones. Old phone says Sprint. Service on all three phones show no change between them service wise. Actually noticed connectivity improved before the phone upgrade.