More info at https://www.amazon.com/Xiaomi-Redmi-Black-Unlocked-Warranty/dp/B07D82MTZL?psc=1&SubscriptionId=AKIAIKJIPAI6IDWFJZ3A&tag=nationalsalesand-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B07D82MTZL
3G HSDPA: 850 / 900 / 1900 / 2100 - 4G LTE: B1/2/3/4/5/7/8/20/28/38/40 - Hybrid Dual SIM (Nano-SIM, dual stand-by)
5.99 inches, 2160 x 1080 FHD+, 403 PPI - Corning Gorilla Glass
64GB + 4GB RAM - microSD, up to 256 GB (uses SIM 2 slot) - Snapdragon 636, octa-core - Fingerprint (rear-mounted) - Non-removable Li-Po 4000 mAh battery
Dual Rear Camera: 12 MP (f/2.2, 1.25µm) + 5 MP (f/2.0, 1.12µm) - 13 MP Front Camera, Selfie-Light
Factory Unlocked cellphones are compatible with most of the GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint.