GSM supports both cellular and data, whereas LTE is synonymous with high-speed wireless broadband technology that supports only data . This is why most of the new cell phones use LTE for high-speed internet access and rely on GSM for voice calls.
Read moreHow much is it to get a SIM card from AT&T?
$5 charge for sim card | AT&T Community Forums.
Read moreHow can I get a free AT&T SIM card?
AT&T Prepaid Is Offering Free SIM Kits And $50 Account Credits To BYOP Customers. AT&T Prepaid has launched a promotion geared towards customers who already own a phone. Those who bring their own device to the network can now get a SIM kit for free and a $50 account credit .
Read moreDoes it cost money to get a new SIM card from tmobile?
Just to let you know, the $25 dollar fee applies to any new SIM cards you order, or for any new phones you order as well. It applies to any order that requires a new SIM card.
Read moreHow do I talk to a live person at AT&T?
Give us a call
Read moreWhat phone number is 800 288 2020?
When you have questions about any of your U-verse services or programming, either log on to uversecentral.att.com, or call us at 1-800-288-2020 for assistance, including 24 x 7 technical support.
Read moreHow do I connect to AT&T customer service?
Navigation Questions. Call us at 800.331. 0500 . Monday through Friday 7:00 a.m. to 8:00 p.m. CT or Saturday and Sunday 8:00 a.m. to 8:00 p.m. CT.
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