UMI X3’specs could be regarded as flagship level ,moreover,appearance design is simple but delicated.ZTE V5s is a 4G smartphone with 5.0 inch screen ,5.0 inch screen is suitable to be holded in hands.
UMI X3:http://vifocal.com/umi-x3-smartphone-mtk6592-2gb-16gb-5-5-inch-fhd-screen-android-4-2-nfc-otg.html

Basic Information
Model UMI X3 Smartphone
Band 2G: GSM 850/900/1800/1900MHz
3G: WCDMA 2100MHz
Sim Card Single SIM card single standby
Service Provide Unlocked
Style Bar
Color White
Shell Material Plastic
System
OS Android 4.2.2
CPU MTK6592, Cortex A7 octa core, 1.7GHz; GPU: Mali-450 MP4
ROM 16GB
RAM 2GB
Screen
Display Size 5.5 Inch
Type IPS, capacitive screen, OGS technology
Resolution 1920 x 1080 pixels FHD screen
Camera/Picture Resolution Dual Cameras, 8.0MP front camera; 13.0MP back camera with
dual flashlights and auto focus, up to 4160 x 3120 pixels resolution
ZTE V5S:http://vifocal.com/zte-v5s-smartphone-4g-lte-qualcomm-410-nubia-os-5-0-inch-720p-screen.html

Basic Information
Model ZTE V5S
Band 2G: GSM 900/1800/1900MHz
3G: WCDMA 900/2100MHz
FDD 4G LTE:900/1800/1900MHz
Sim Card Dual Sim
Service Provide Unlocked
Style Bar
Color White/Black
Shell Material plastic
System
OS NUBIA 2.5 os
CPU Qualcomm 410 64 bits processor
ROM 8GB
RAM 1GB
Screen
Display Size 5.0 Inch
Type IPS, capacitive screen
Resolution 1280 x 720 pixels HD screen
General
Camera/Picture Resolution Dual Cameras, 5.0MP front camera; 13.0MP back camera with flashlight and auto focus, up to 3264 x 2448 pixels, support panorama, multi angle view, face beauty, smile shot, HDR
UMI X3:http://vifocal.com/umi-x3-smartphone-mtk6592-2gb-16gb-5-5-inch-fhd-screen-android-4-2-nfc-otg.html

Basic Information
Model UMI X3 Smartphone
Band 2G: GSM 850/900/1800/1900MHz
3G: WCDMA 2100MHz
Sim Card Single SIM card single standby
Service Provide Unlocked
Style Bar
Color White
Shell Material Plastic
System
OS Android 4.2.2
CPU MTK6592, Cortex A7 octa core, 1.7GHz; GPU: Mali-450 MP4
ROM 16GB
RAM 2GB
Screen
Display Size 5.5 Inch
Type IPS, capacitive screen, OGS technology
Resolution 1920 x 1080 pixels FHD screen
Camera/Picture Resolution Dual Cameras, 8.0MP front camera; 13.0MP back camera with
dual flashlights and auto focus, up to 4160 x 3120 pixels resolution
ZTE V5S:http://vifocal.com/zte-v5s-smartphone-4g-lte-qualcomm-410-nubia-os-5-0-inch-720p-screen.html

Basic Information
Model ZTE V5S
Band 2G: GSM 900/1800/1900MHz
3G: WCDMA 900/2100MHz
FDD 4G LTE:900/1800/1900MHz
Sim Card Dual Sim
Service Provide Unlocked
Style Bar
Color White/Black
Shell Material plastic
System
OS NUBIA 2.5 os
CPU Qualcomm 410 64 bits processor
ROM 8GB
RAM 1GB
Screen
Display Size 5.0 Inch
Type IPS, capacitive screen
Resolution 1280 x 720 pixels HD screen
General
Camera/Picture Resolution Dual Cameras, 5.0MP front camera; 13.0MP back camera with flashlight and auto focus, up to 3264 x 2448 pixels, support panorama, multi angle view, face beauty, smile shot, HDR