IOS 13

This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.).
Tested for battery health and guaranteed to come with a battery that exceeds 90% of original capacity.
Backed by a one-year satisfaction guarantee, with free access to Amazon’s Technical Support team throughout the full year and ability to replace or return the product if it does not work as expected.