Welcome to SmartSIM!

SmartSIM SIM Card links to the rapid 4G LTE networks of leading US carriers AT&T and T-Mobile, selecting the most suitable carrier for the best signal strength. This Data only SIM card ensures reliable access to the national data network, ensuring smooth connectivity across the United States.

SIM Card APN Setting Information

This guide will introduce you to the working principles and usage of cards.

Utilizing a 4G SIM card is an easy and straightforward procedure with plug-and-play capabilities. Simply insert the SIM card into any unlocked 4G device, configure the APN settings, and you're ready to use it. In case you exhaust your data, the data SIM card offers a range of cost-effective and flexible data plans to select from, and it can be conveniently recharged within the same month.

1.How to set APN on your iPhone?

Phone Settings=>Cellular=>Cellular Date=>Cellular DateNetwork=>enter the APN information=>Enable Date Roaming

  • APN name: SmartSIM
  • APN:linksnet
  • Username and password do not need to be entered