uniwa alps f50 2g/3g/4g zello walkie talkie android smartphone quad core cellphones mtk6735 1gb+8gb rom mobile phone

model no.: uniwa f50. dimensions: 124*62*27mm. net weight: 213g. service provide: unlocked. style: bar. shell material: plastic. net: 2g: gsm850/900/1800/1900mhz; 3g: wcdma850/900/1900/2100mhz; td-scdma b34/b39; 4g: fdd-lte: b1/b2/b3/b4/b5/b7/b8/b17/b20; tdd-lte: b38/b39/b40/b41. sim card: single micro sim card single standby. os: android 6.0 marshmallow. cpu: mt6737m cortex a53 quad core, 1.1ghz; gpu: mali-t720. ram: 1gb ram. rom: 8gb rom, support tf up to 64gb maximally.