Apple iPhone 6S Plus Carrier Compatibility

Model A1687 networks:

• T-Mobile
• Verizon
• Sprint

Model A1634 networks:

• AT&T

Model A1699 networks:

• None

The A1634 is sold by Apple as the SIM-free model and is typically used by Apple for replacement devices. The A1687 is for GSM and CDMA, sold as the carrier model for Verizon, T-Mobile and Sprint, and has broad international compatibility. The A1634 will work best for AT&T and most US MVNOs. Read more

Which iPhone 6S Plus model are most people buying?

• 53% of buyers chose model A1634
• 47% of buyers chose model A1687

What is the most popular iPhone 6S Plus model?

The most popular iPhone 6S Plus model option is A1634, favored by 53% of buyers on Swappa.