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You’re activating a GSMT SIM card. Is your phone compatible?
Have a universal SIM kit? Let us help you choose your network.
The largest GSM network in the US
Got an AT&T compatible phone? This is the network for you! GSMA is one of the largest nationwide networks in the US, with coverage expanding even into rural areas.
Alternative GSM network
Got a 5G compatible phone? Pick this network to get lightning fast 5G speed! You can also use an LTE (4G) phone if it's GSM compatible. Learn more about GSMT here.
Bring Your Own Sprint Device
If you already have an existing Sprint SIM card, use it to activate today.
The largest CDMA network in the US
Got a CDMA phone that didn't come from Sprint? Go with this network and get incredible coverage. If you’re not sure if your phone is CDMA, our live-chat team is ready to help.
How can we help you today?
(activate without a SIM card)