I understand your concern, but it is perfectly acceptable to use your previous sim card with your new iPhone. If you want to switch sim cards to the newer sim card you will need to contact AT&T and provide them with the new sim card number so they can update your account.
Do I need to switch SIM cards when I get a new iPhone?
Since your SIM card is essential to get network connectivity on your device, you must transfer it to your new iPhone. The process is pretty simple and you can even get your contacts with it.
What happens if I put my old SIM card in my new iPhone?
Answer: A: You can move your sim and use the phone as you use your phone. But the sim does not contain the data stored on your phone, so none of your contacts, apps, accounts etc., will transfer because you put the sim in. Make sure you backup your current phone.
Should I use old SIM card in new phone?
No, iPhones and Android use different technology in their SIM cards. It may work for a while but will eventually stop.
What happens if you take out your SIM card and put it in another phone?
When you move your SIM to another phone, you keep the same cell phone service. SIM cards make it easy for you to have multiple phone numbers so you can switch between them whenever you like. … In contrast, only SIM cards from a specific cell phone company will work in its locked phones.
How do I activate my new iPhone with old SIM card?
How to activate an iPhone
- Insert the SIM card in the tray and push it back into the phone. …
- Also, note that the SIM card must be activated by the cellular carrier you have a plan with. …
- Turn on your iPhone by holding down the Power button until you see the Apple logo appear on the screen.
Can I just buy a new phone and put my SIM card in it?
If you purchase a replacement phone or upgrade to a new unlocked phone, you can take out the SIM card in your old phone and pop it in the new one. If your old SIM is not compatible (size difference) or you are changing carriers, you will need to purchase a new SIM card.
What happens to your old SIM card when you get a new one?
When you remove your SIM card from your phone and replace it with another card, you lose access to any information on the original card. This information is still stored on the old card, so any phone numbers, addresses or text messages that you lose are available if you insert the old card into the device.