4G smartphone 5.72\5.0 inch Android 7.0 Face ID smartphone Octa Core 1GB + 8GB\512MB+4GB dual card unlock 2G / 3G / 4G mobile phonefeature:Model R17CPU: MTK6592 Octa CoreSystem: Android 7.0Rom: 8GB\4GBRam: 1GB\512MBScreen type: 5.72 inches\5.0Resolution: 1280 x 720 pixel HD screenNetwork: 2G, 3G, 4GNetwork mode: GSM / WCDMANetwork: Dual SIM Dual Standby (one standard SIM slot, one micro SIM slot)SIM 1 (standard SIM slot): 2G (GSM 850/900/1800 / 1900MHZ) / 3G (WCDMA 850 / 2100MHZ)SIM 2 (Micro SIM slot): 2G (GSM 850/900/1800 / 1900MHz)GPS: Yes, built-in, also supports A-GPS, supports voice navigation (not including navigation program)WiFi: Support 802.11 b / g / n wireless, support hotspotsBluetooth: Bluetooth 2.0 supportSensor: light sensor, acceleration sensor, direction sensorMessage: MMS, SMS, Email, GmailAudio output port: 3.5 mmUSB port: Micro-USB 2.0Other features: Play Store, Air Distance Gesture, Smart Wake, Calculator, Calendar, Alarm Clock, Camera Gallery,Video recorder, audio player, recorder, FM radio, email, Gmail, flashlight, etc.Phone type UniversalShape slideNetwork standard GSM, China Unicom 3G (WCDMA)Operating system ANDROIDBattery capacity 2000mAh-2999mAhCamera pixel below 5 millionMemory card support memory cardProcessor core quad coreRunning memory 1GBMobile version Applicable gifts occasions Opening ceremony, employee benefits, awards commemoration, anniversary celebrations, trade fairs, advertising promotions, festivals, housewarming, weddings, public relations planning, birthdays, business giftsNetwork mode dual card single modeBody memory 8GB\4GBColor 5.72 inch gradient purple 1+8, 5.72 inch gradient blue 1+8, 5.0 inch streamer gold 512+4, 5.0 inch fog blue 512+4, 5.0 inch neon red 512MB+4GB
Package Contents:a smartphone1 charger (the right plug of the adapter will be sent according to your shipping country)1 USB cable1 user manual1 earphone
Top 10 problems and solutions that mobile phones often encounter
Question 1: What happened to the phone?A smartphone is a fairly small computer. When the mobile phone is connected to the Internet, the RF circuit and the CPU run at a high frequency, consume a large amount of power, and have a certain amount of heat (but the mobile phone has no special heat dissipation function). The device is like a computer).The heat is dissipated through the shell, so we feel very hot, which is normal. Try to avoid long conversations, watch videos, play games and play mobile phones while charging. It is recommended to use the headset when making a call.
Question 2: Will the phone be turned off in less than a period of time?1. There are more and more programs running in the background.2. The screen brightness is too high.3. Realize high energy consumption functions such as Bluetooth, GPS, WIFI and data connection.4. Always use the mobile phone and stay in a high energy consumption state for a long time.solution:1. Turn off unused daemons, some of which are running in the background.2. Adjust the screen brightness appropriately. It is recommended to adjust the brightness automatically.
3. Turn off Bluetooth, GPS, WIFI and data connection when not in use.
Question 3: Why is the phone not charging?Cause: The phone is in standby for a long time and the battery is exhausted.solution:Charge for about 10 minutes and then confirm if it can be turned on. Some phones can try to hold down the power button for 30 seconds. After forcibly turning off the power, charge it for a while and then try to turn it on. Some mobile phones need to be charged for a period of time after the battery has been over-discharged, and can be turned on when the battery voltage reaches the startup voltage of the phone. However, to eliminate charger and data line problems, and eliminate the method, let customers use their own charger to try charging.
Question 4: The touch screen does not work?The screen does not work when the phone is placed flat on the table or suddenly removed from the pocket. Since the mobile phone is a capacitive screen, there may be static interference on the surface of the screen, which may not be detected temporarily.Solution: Just press the power button to turn off the screen, clean the screen cleanliness, wait a moment, then light up the screen to return to normal.
Question 5: Is the photo taken by the mobile phone blurred?1. The camera pixel setting is too low.2. The camera lens has dirt and protective film.Light problems, taking pictures at night is more blurred than during the day.4. The camera cannot form the focus point when the camera shakes or the photo moves.solution:1. Enter the camera settings and set the pixels to the highest.2. Wipe the camera lens with a lens cloth or use a cleaner that specifically cleans the lens.3. Turn on the flash at night.4. Keep steady when taking pictures, take pictures after finishing focusing.
Question 6: The phone crashes and cannot be powered off.1. Built-in battery hype: long press the switch