Activate AT&T SIM Card Online
Activate your device with a physical SIM · Go to Device Support. Choose your device. Scroll to Getting started and select Hardware & phone. Go to att.com/activatenow before turning your phone on.
1. Go to the AT&T activation website:
- Visit att.com/prepaid-activate (for English) or att.com/activarprepaid (for Spanish).
2. Have your information ready:
- You’ll need your SIM card’s ICCID number. This is printed on the SIM card itself.
- You’ll also need your phone’s IMEI number. To find your IMEI, dial *#06# on your phone’s keypad.
3. Follow the prompts:
- Enter the required information (ICCID, IMEI, etc.) on the website and follow the on-screen instructions to activate your SIM card.
You want to activate your wireless device online if you have a new AT&T wireless customer. Below we have a simple “How to” guide to activate your new wireless AT&T device to be activated online.
AT&T Phone Activation helps you to activate your phones, you can choose from various possibilities: new customer or add line, update your phone, and upgrade your phone.
Download an eSIM and activate your device
Do you need to activate an eSIM for AT&T Wireless℠? Make sure your device is on an active plan, then download the eSIM over Wi-Fi®.
- Turn your device on.
- Follow the prompts on your device.
Activate your device with a physical SIM
Many devices use a physical SIM card that is already inserted in the device. If you use a different SIM, you might not be able to access our wireless network or use all our network features.
If your SIM isn’t already inserted, learn how to put it in.
- Go to Device Support
- Choose your device
- Scroll to Getting started and select Hardware & phone details
- Choose Insert or remove SIM card and follow the steps
Is this a device upgrade or number transfer? If so, you’ll have to activate your new SIM.
How to activate my ATT?
AT&T is quick and fast to activate a service, as the company uses its own website or its phone or live chat steps by step. You can select the option you want. An explanation of how to act on your phone is given here:
Now you can activate with simple steps on your phone
The new device is turned off.
Select the options below:
If you are a new user but don’t have to transfer your number from another provider,
Please go to the phone activation page of AT&T, if you transfer your number from another provider or activate the new device or replacement.
Turn on and follow the setup instructions for your new device.
Make a test call from your device or try to connect to the Internet or email
Finally, Set up voicemail.
Also Read : AT&T Pay Bill Without Signing In
For New customers
To create a new voicemail password and greet, go to Set up Visual Voicemail.
For Current customers
You would need an existing voicemail password to create voicemail on your new device. if you recently changed your device or SIM card.
Has Password forgotten?
Go to the Password reset page for Voicemail.
Go to the support device and learn how to use and fix problems for your device.
Set up an email.
Get assistance for common problems such as blocking spam calls, or online chat support from the ATT website, or calling a customer service.
Unable to activate the ATT online service?
You can choose: If you can’t activate the ATT online.
Contact AT&T Customer Support.
Visit the nearest AT&T store.
AT&T Activations not working:
Replace with new AT&T SIM.
If connected to the mobile connection was already restored, it is important to replace a lost, stolen, or broken SIM card. Sim cards are small plastic chip cards which are used for storing AT&T SIM data such as contacts and call logs in cell phones and work in GSM network frequencies for maintaining service provider data and phone number. Usually, the SIM cards are provided on their network by the network service provider and the lost card information must be programmed to replace the SIM cards.
How to AT&T SIM & AT&T Prepaid activation was replaced
Customer Care for all AT&T services. You can make sure the lost card is disabled and no accidental use occurs if the SIM card is lost or stolen by contacting the SIM service provider. The nearest retail store that can provide an alternate SIM card can also be found through AT&T Customer service.
Locate the AT&T service provider’s retail shop. SIM cards can be shipped by mail, but the lost card can be replaced quickly if you prefer a nearby shop.
Call now for a SIM replacement card to ensure that the replacement SIM card has the right contact numbers, user information, and network settings programmed by the service provider.
Some retail stores will deliver on-site to replace the new cards, and others can deliver by mail.
Please insert the new SIM card into your phone. Under the phone battery, you normally find the SIM card slots.
How to activate AT&T Online Activation of Wireless Devices
What you need to do
Access to the Internet.
AT&T Home Phone, Official Go Phone, Smart Phone.
Enter your personal details
How to enable online activation of AT&T Wireless Device:
Go to www.Wireless.att/activations
Choose the device type you want to activate NOTE: you should enter the wireless number into the given space if you install a new line or update a phone, pick a verification method then type the appropriate space number.
Click the blue-button “Continue”
In the space given, type your SIM card number
Click the gray button “Continue”
Continue to provide any other necessary information before your activation is confirmed
Guidelines for AT&T Phone Activation
Several activation options are available
New customer or a line add
Telephone upgrade
Add a line and update your phone
GoPhone Program Pay As You Go
You have to type in the 10-digit wireless number of the first 3 activation types, verification method – billing or zip code delivery, the last 4 digits of social security numbers and the last 4 digits of tax ID number and verification number. You will activate the Activation webpage for all your numbers if you have more than one telephone number connected with your account. Please call 866-895-1099 to complete your activation if you are moving your telephone number from another operator.
AT&T.com/activations
Using the AT&T stores fast activation service. Check the nearby shop or call the help number for ATT activation.
However, at the time of upgrade or purchase, most services such as the phone or internet usually are activated by a store representative. You may have to contact customer care to request activation or help with troubleshooting when you cannot activate the at&t phone online or when the phone doesn’t work properly after activation.
How to Activate ATT Sim Card
The SIM card links your mobile phone to your network cell phone network. The network will allow calling someone from your phone. Any personal information including contacts, texts, and call registry can be saved via SIM card. You may need a new SIM for your AT&T service for a number of reasons.
How to Activate ATT on New Phone
As you like, buy a new smartphone. Or find your favorite mobile phones in the AT&T retail stores close to your home and choose the phone that best suits you.
Give your previous phone number to the store representative. The agent then takes all the necessary information to transfer your old number to your New Phone.
Check the new phone now. To see if the new SIM card works well with the new phone, call a colleague, relative or family member. Therefore,
Make them inform that if they see that you still have the same cell phone number on the caller ID.
Activate att phone number
Let’s start now
Before your phone is activated follow the few steps:
find your AT&T phone number On your order confirmation paper which is included in your shipment
Find the numbers of IMEI and SIM (ICCID) in your phone
Transfer from your old device to your current device, your contacts, images, and videos
Using your new phone’s SIM card for the best possible experience. Perhaps you cannot use any of the features of your new phone if you are using a different SIM card. How to fix problems with your at&t outage & att e-mail login
SIM and Phone Schematic: check on your box or on your SIM card holder for your SIM number (ICCID).
Note: On your box or SIM card, search for your SIM number(ICCID).
Now your at&t phone can be activated
1. Get started with a new device
2.Please go to the AT&T activation page @att.com/activations or call att to activate phone number if you want a new service line or replacement device to activate
Important message: The telephone service must be activated 14 days after shipment. A data protection service might be terminated or interrupted. AT & T will be activated for you within 7 days of shipment if you have already agreed to the general terms and conditions.
3. Turn on and follow the instructions for setup.
4. Just make a test call or try connecting to the Internet or email.
