What are the shortcomings of vivoS7? Is it easy to use?

Hello! S7 is quite good

Mobile phone features:

Support frequency band 2G: GSM850/900/1800/1900MHz; 3G: WCDMA2100

Network connection support: 3G network HSDPA 7.2 Mbps; 2G network GPRS/EDGE

Operating system: Android OS 4.0.4 RAM: 512MB ROM: 4G CPU frequency: 1G

Optional color: Swiss white (other Color to be determined)

Dimensions: 123X64X9.9mm (standard height) Weight: 142g (with battery)

Single screen: 4.0-inch capacitive touch screen, 4.0-inch display WVGA, 480× 800

Battery: BK-B-42 Capacity: 1500 mAh

Standby/talk time (depending on the quality of the network)

Talk time: GSM≤ 8 hours WCDMA≤6 hours

Standby time: GSM≤450 hours WCDMA≤330 hours

MP3 playback time: external playback: ≤7.5 hours Headphones: ≤30 hours

Main camera: 5MP secondary camera: 2MP Hui (Dianping, Taobao Software, 5155, Qunar Travel, Let Me Check), Game Hui (Fruit Ninja, Fishing Master), Film and Television Hui (Youku, Sohu Video), Reading Hui (ViVa Reading), Information Collection (NetEase News), e-books (Palm Reading Library), Baidu Magic Map, Amap, online music (Baidu ting)

Functions: Dual SIM card dual standby, HS USB 2.0, supports Wi -Fi/WAPI, GPS and AGPS, automatic screen lock (diversified unlocking styles), pattern lock, timer switch, screen desktop, online wallpaper download, intelligent voice input, color impression pendant, SIM card lock, menu upgrade, account Management, compass (electronic compass application), Baidu search, SMS encryption, group SMS sending, SMS notification font size setting, Bluetooth (2.1), gravity acceleration sensor application, light sensor control, infrared proximity sensing application, security assistant (including SMS firewall, call firewall—unlimited quantity), synchronization assistant, power saving mode (including power saving tips), program management, traffic monitoring, flashlight, Youdao dictionary, incoming call photo, theme change, holiday lock machine wallpaper change ( Similar to changing wallpaper on holidays), call recording, number location query (supports online update), weather query, FM radio, email, STK value-added, TF card interface, camera (supports autofocus, flash), music player, alarm clock , perpetual calendar (supports lunar calendar), world clock, memo, note, calculator

Main chips: MT6575 MT6162 RF3233 RF7241 RF7248 MT6620 MCP H9DP32A4JJACGR YDA145 HSCDTD004A (electronic compass)