Table of Contents
How do you activate a ATT phone by yourself?
New phone or SIM card activation
- Go to att.com/getstartedbiz.
- Select Activate your device for AT wireless device.
- Enter the required information.
- Select Continue.
- Follow the prompts to complete your activation.
Can I just put my AT SIM card in an iPhone?
Yes, you can move your sim card as long as it’s the same size. If you need to have AT & T make you a new SIM card please go to an AT corporate store. 🐾 I don’t work for AT or any carrier. Never have, never will.

Why is my SIM card not working in my new iPhone?
Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. Try using another SIM card. If you don’t have one, go to your carrier’s retail store and ask them to test with another SIM card.
Is SIM required to activate iPhone?
Part 1: Do You Need A SIM to Activate Your iPhone? The good news is, Since the rollout of iOS 12, you can activate your device without a SIM card by only using WiFi. But unfortunately, many older versions of iOS require you to have a working SIM card in order to activate the device.
How do I activate my AT prepaid SIM card?
Activate an AT PREPAID plan with a code

- Make sure the phone is turned on and the SIM card is inserted.
- Find the two-digit plan code on your phone package.
- Call 877.426. 0525 and after you hear the current list of plans, say Plan code.
- Provide the two-digit plan code and service ZIP Code to activate.
How do I activate my new iPhone AT?
Device Setup
- To turn iPhone on, press and hold the Side button until the Apple logo displays.
- You’ll see “Hello” in different languages.
- Select your language.
- Select your country or region.
- Review the Quick Start prompt.
- Select the desired Wi-Fi network then follow the prompts to connect.
How do I install my AT SIM card?
The SIM & microSD tray is located on the top right of the device. To insert a SIM card, first remove the SIM tray by inserting your thumbnail into the notch on the top of the device and lifting up. Insert the Nano-SIM card into the SIM tray with the gold contacts facing up and the notched edge in the lower right.
Can I put my SIM card in another phone with AT?
As long as they’re both compatible with AT current service, of course you can switch your sim card.
Can you activate iPhone at home AT?
If You Bought Your iPhone Through AT There are two options to activate your phone: One is to visit AT’s web-based activation tool (opens in new tab); the other is to connect your phone to your computer and open iTunes.
How to activate cellular iPhone?
Go to Settings > Cellular.
How to activate and set up your new iPhone?
The user then linked to an Apple Support page that suggests restarting your device, connecting to a reliable Wi-Fi network, and waiting for a few minutes between trying to activate again. And if those steps don’t work, then Apple recommends trying to activate your device on a computer via iTunes.
Why my iPhone is saying no SIM card?
– Is your SIM card dusty? If it is, wipe it off with a soft damp cloth, but make sure the SIM card is completely dry before inserting it back into – Is the SIM tray bent? Even small misalignments can cause the SIM card to not fully connect with the surrounding hardware. – Is there water damage? – Does the SIM tray close normally?
How do I activate a previously used iPhone?
Connect your iPhone or iPad to a PC or Mac.