USA MARKET ONLY WORK ON TMOBILE MINT TELLO OR ANY UNDER TMOBILE NETWORK PHONE NEEDS A SIM CARD ALREADY ACTIVATED ,OUTSIDE USA WORKS ANY GSM CARRIER SIM GSM FCC ID: FCC ID: 2AFZZRN03L
Dual SIM + microSD, supports dual 4G Network bands: Supports 4G/3G/2G4G: LTE TDD: B38/40/414G: LTE FDD: B1/3/5/7/8/20/283G: WCDMA: B1/5/82G: GSM:2/3/5/8 / Wireless Networks2.4GHz/5GHz Wi-FiBluetooth 5.4Supports FM radio (with headphone jack)Supports AAC / SBC
6.88″ large screen display1640*720, 260 ppiContrast ratio: 1500:1Color depth: 8-bitColor gamut: 70% NTSCBrightness: 450 nits (typ)Refresh rate: Up to 120Hz**Refresh rate can be adjusted to up to 120Hz for supported apps.DC dimmingTÜV Rheinland Low Blue Light (Software Solution)TÜV Rheinland Flicker FreeTÜV Rheinland Circadian Friendly**Feature may be available via OTA update.Touch sampling rate: Up to 240HzScreen-to-body ratio 90% (AA/CG)

For USA Buyers : This Smartphone is compatible/will work with any GSM Networks such as AT&T, T-Mobile. For exact 2G GSM, 3G, 4G/LTE compatibility, please check with your network provider in advance prior to your purchase. This phone WILL NOT WORK with any CDMA Networks such as VERIZON, SPRINT, US CELLULAR.
Dual-SIM, Network Compatibility, SIM CARD 1 AND 2 [2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : WCDMA 850(B5) / 900(B8) / 2100(B1) and/or 4G : LTE FDD 700(B28) / 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2600(B7): LTE TDD 2300(B40) / 2500(B41) / 2600(B38)]
6.67 inches, IPS LCD, 720 x 1604 pixels, Corning Gorilla Glass 3