Bluetooth, Wi-Fi, USB, NFC

【Factory unlocked Phone with Global Rom】: Xiaomi Redmi 9A is a factory unlocked international model phone – No Warranty in US, only compatible with Most GSM Carriers such as T-Mobile, MetroPCS, Mint mobile, etc,but NOT work on new At&t network now; And Will NOT work with any CDMA Carriers, such as Verizon, Sprint, Cricket, Boost,US Cellular etc.SIM CARD NOT INCLUDED;FCC ID: 2AFZZK9AG
【T-mobile & Metro PCS Users NOTE PLEASE】:If you are T-mobile / Metro PCS sim card Users, while firstly using,this new phone Only works with previous T-mobile / Metro sim card which has been activated before. So Please insert your T-mobile / Metro sim card in your using phone first to active it,and then take the sim card out and insert it into the new phone you bought from us. The new phone will automatically pick up the carrier’s network .
【Support 5G + 4G Network & Bands】: This smartphone supports 5G/4G/3G/2G (5G requires the support of local telecom operator services, and may not be available in all regions), 5G NR: n1/n3/n5/n7/n8/n20/n28/n38/n41/n66/n77/n78, 4G: FDD-LTE Band 1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/32/66, 4G: TDD-LTE Band 38/40/41/42, 3G: WCDMA Band 1/2/4/5/6/8/19, 3G: WCDMA Band 1/2/4/5/6/8/19, 2G: GSM:2/3/5/8, SIM 1 + Hybrid (Hybrid slot can be used either for a second SIM or a MicroSD card).