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Data only SIM cards are perfect for WiFi devices when you're on the go, and AT&T MVNOs offer a low-cost way to access the nationwide network.
Mobile Virtual Network Operators (MVNOs) operate on the main US networks, so you'll receive the same quality coverage at half the cost.
We've broken down the data only SIM cards available with AT&T MVNOs to help you find your best deal.
This Red Pocket SIM kit includes 20GB data for $40 for 1 month of wireless service. Red Pocket internet plans offers wireless coverage on the AT&T 5G and 4G LTE network. Read Red Pocket review
There are three different SIM card sizes. Each has an adapter in case you want to switch to a phone with an incompatible SIM Card slot.
Standard SIM Card - The original SIM Card size is similar to any card in your wallet. However, if you want to transfer your data to a new phone, you can take out a small portion of the SIM card to insert into another iPhone.
Micro SIM Card - Micro SIM Cards were introduced in 2010. The Micro SIM Card size is small compared to the original SIM card but not quite as small as the Nano SIM card.
Nano SIM Card - Nano SIM Cards are the smallest SIM cards that came out in 2013.
How to remove an AT&T data SIM card
To remove the SIM card from your AT&T device all you need is the SIM card remover tool provided to you when you bought your device or a small paper clip.
If using the paperclip, unfold it and gently insert the end into the small pinhole in the SIM tray.
Press gently until the SIM tray pops up, you do not need to use much pressure.
Pull the SIM tray out gently, be careful the SIM card does not fall out.
Swap your SIM card over, making sure you have aligned the SIM in the correct position.
Re-insert the SIM tray into the phone.
AT&T data SIM card FAQs
Where can I buy a prepaid AT&T data SIM card?
AT&T MVNOs offer a variety of prepaid plans. You just purchase a SIM card kit, with no need to upgrade your handset.
How much is a AT&T data SIM card?
AT&T MVNO prepaid plans start from around $10.
How do you activate a AT&T data SIM card?
When you receive your SIM card, pop it into your device and follow the activation instructions.
Recap
Saving money on a data only SIM card is easy with AT&T MVNOs, their low-cost plans and the same quality coverage means there's no sacrifices.
You could even opt for a cheaper plan by choosing a set data limit. On average we only use around 3 to 5GB of data per month, so do you really need all that unlimited data? You can estimate your data usage with our free tool to find out.
