People also ask
Can I use an AT&T SIM card with an unlocked phone?
Very helpful. Do not use an ATT sim card with an unlocked phone because it will be locked with ATT once you set it up with an ATT sim card. If you want it to remain unlocked, avoid ATT. I don’t know where you got that idea.
How to activate iPhone with AT&T carrier?
It doesn鈥檛 matter if you have bought your new iPhone from an online store or any brick and mortar shop, you can easily activate your iPhone with ATT carrier. While purchasing your phone, you would be asked to select a carrier. Simply go with ATT and proceed. When your phone would be delivered, it will already have the ATT SIM installed.
Why do I need to Activate my AT&T SIM card?
If you just got your new phone and SIM card from one of the packages offered by ATT, you will need to activate your SIM card. Without activation, it will not be possible for you to receive mobile data, send messages, or make/receive phone calls.
What do I do if I can’t activate my AT&T card?
If you’re unable to activate the card online, you can give ATT a call from a working phone or visit an authorized ATT store during regular business hours. ATT support is available 24/7. If you’re in the US, dial 1-800-331-0500. If you’re outside of the US, dial 1-314-925-6925.