This phone will only work with 2G: GSM850\/900\/1800\/1900 3G: WCDMA 850\/900\/2100 4G: FDD-LTE800\/1800\/2100\/2600It's unlocked for worldwide use, customers please take a check to see if your local area network or the communication operator you are using is compatible with this phone before purchase. You can also go to this topic [===Official Help Center=== How To Check If This Phone Can Be Used In Your Country] to find how to confirm this. Basic Information Model IUNI N1 Band 2G: GSM 850\/900\/1800\/1900, 3G: WCDMA 850\/1900\/2100MHz, TD-SCDMA 1880-1920\/2010-2025MHz 4G: LTE FDD 1800\/2600MHz, TD-LTE 2570-2620\/1880-1920\/2300-2400\/2496-2690MHz SIM Card Micro + Nano SIM, Dual SIM, Dual standby (SIM1\/2 support 4 g network, can be set up in the interface switch SIM1\/2 data business mode, another card slot only support the GSM at this time, SIM2 Nano - SIM card compatible with the microSD card, can be used according to demand) Style Bar Color White Shell Material Plastic&metal System OS Android 5.1 CPU MTK6753,Octa-core, 1.3GHz. Cortex-A53 GPU Mali T720 MP3\/450MHz ROM EMMC 16GB RAM LPDDR3 2GB Screen Display Size 5.0 Inch Type IPS,OGS Capacitive Touch Screen, Samsung super AMOLED Resolution 1280x720 pixels HD screen, 296ppi Screen color 16000K colors Support Format Audio File Format mp3; AAC, AAC+, eAAC; WMA 9\/Pro Video File Format H.265\/264\/263, MPEG4\/2, WMV9, VC1, VP6\/8, DivX, XVID,etc Image File Format GIF, JPEG, BMP, PNG E-book Format TXT, PDF,DOC FM Radio Yes, earphone needed Earphone Port 3.5mm Card Extend Yes, shared with nano-sim card slot .Supports an external TF card up to 128GB Data Transfer & Connectivity Data transfer USB\/Bluetooth Mobile internet WAP\/WiFi General Camera\/Picture Resolution 13.0MP Rear camera, auto focus with flash light ,8.0MP front Camera Language multi-language Phonebook 500 Message SMS, MMS Input Handwrite\/Keypad USB Port HDMI,Micro USB v2.0, OTG GPS Support WIFI 802.11a\/b\/g\/n\/ac Bluetooth