This phone will only work with 2G: GSM 850\/900\/1800\/1900MHz 3G: WCDMA 900\/1900\/2100MHz 4G: FDD LTE 1800\/2100\/2600MHz It'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. Description Model UMI eMAX Band 2G: GSM 850\/900\/1800\/1900MHz 3G: WCDMA 900\/1900\/2100MHz 4G: FDD LTE 1800\/2100\/2600MHz Sim Card Dual SIM Card Dual Standby(2 Micro SIM Card and TF Card ) Service Provide Unlocked Style Bar Color Grey,Silver Shell Material Plastic System OS Android 4.4 CPU MTK6752, 64bit Cortex A53 octa core, 1.7GHz GPU: Mali-T760 16cores ROM 16GB RAM 2GB Screen Display Size 5.5 Inch Type IPS OGS Full lamination technology Resolution 1920 x 1080 pixels FHD screen, 441PPI Screen color 16000K colors Support Format FM Radio Yes Earphone Port 3.5mm Audio Format MP3, AMR, AAC, AAC+, WAV Video Format MP4, 3GP, MPEG4 Image Format BMP, JPEG, GIF, PNG Card Extend Yes, support external Micro SD\/TF card up to 32GB Data Transfer & Connectivity Data transfer USB\/Bluetooth Mobile internet WAP\/WiFi General Camera\/Picture Resolution 5.0MP front camera, 13.0MP back camera with flashlight and auto focus Language Please refer to the screenshots Phonebook 500 Message SMS\/MMS Input Handwrite\/Keypad TV No GPS Yes, built in JAVA No WIFI Yes,802.11b\/g\/n wireless internet Bluetooth Yes, Bluetooth 4.0 Gravity Sensor Yes Light sensor Yes Proximity sensor Yes Multi-Touch Yes Dimensions 152.3 x 76.5 x 7.9mm\/5.99 x 3.01 x 0.31 inch Net Weight (Including battery) 150g Built-in Battery 3780mAh Battery