Tablet PC 9 inch with WIFI CN-D90

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Tablet PC 9 inch with WIFI CN-D90







Screen size


Plastic shell  239*149*11mm


800*480 TN Capacitive touch


Allwinner A23, Dual Core,

A7 1.2GHz, Mali 400, Android 4.2


512M DDR3


4GB NAND Flash



Front camera

0.3 M pixel

Back camera








USB wire



3.7V, 4000mA/h

wifi 5hrs,AC 100-240V,50-60Hz.DC5V 2A


1*micro 5p USB2.0,OTG, 1*micro SD

Built in MIC, 8Ω/1W*1





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Q:How do you use WiFi on a tablet PC?
The way to carry WiFi on tablets is as follows:Portable WiFi is inserted into a USB interface of a desktop computer or laptop that can access the Internet properly.Will carry Wifi into the computer, if it is the first time, need to download and install portable Wifi driver, you can go online to find the portable Wifi page to find the driver download. Then click Install drive.The computer will automatically recognize the connection, the connection is good, displayed the account number and password, you can use the flat connection.However, the effect is not very good, and the coverage is probably as wide as a normal room. After all, the price is not very expensive.
Q:Can tablets plug in SIM cards?
There are also plug in SIM card, like P1000, not big.
Q:How to copy disk inside a tablet computer.
U can open the file, but it seems like no file copy disk to tablet computer
Q:How do Apple tablets join the nine square grid?
The tablet screen is huge! And use the nine squares? Handwriting allows you to enter multiple text at the same time. Siri voice input is also fast. Squares are used for small screens on mobile phones.
Q:The tablet is not connected to the computer
Flat panel structure, system, function, and mobile phone is about the same.Connection method, pen, cell phone is the same. Try changing connector and interface.One, in the computer and mobile phone installation, 360 mobile assistant and so on connection auxiliary program. This connection is convenient, fast and stable.Two, open the flat USB debugging mode. The method is the same as the cell phone.1, settings - system settings - about mobile phones2, find the phone version number, continuous quick click more than 4 times, there will be hints, has been torn debugging mode. Quit on the phone, in the settings menu, you can see the settings have already amused developers options menu.3, select the developer option, you can see the USB debug menu, check it.Three, flat connect computer. It can be automatically identified.
Q:Can tablets connect to keyboards?
Most of the tablets have no interface, so it's better to choose a Bluetooth keyboard. I use the universal bow three system keyboard, and the compatibility is still strong.
Q:How do you do the old crash of the tablet PC (quad core)?
Is rubbish, I have a flat quad core power, always crashes, unable to shutdown boot, can not start, died before the start screen, Taipower is a waste, some time ago bought a MP3 this is wrong, crash, Speechless!
Q:Tablet computers can receive WiFi is not connected, the password is right.
Possible reasons for tablet PCs unable to connect to WiFi networks and solutions:1 first check whether the normal work of the wireless router, can use mobile phone or other digital products to connect the WIFI signal, if properly connected and normal Internet, so in general the router can work normally.2 long time using a router, wireless router may feign death phenomenon. Restart the wireless router.3. certification type inappropriate. Try to change the authentication type of the router. It is better to choose the secure WPA2-PSK type model. The following encryption algorithm is best chosen as AES".4. tablet or router network settings exception. Consider restoring routers, factory settings, and tablet settings.
Q:How about the little black button on the edge of the apple tablet?
The small black button on the side of the apple tablet can set the mute key or lock the screen to rotate".Set the operation to:The first step: click the desktop settings icon.The second step: open "universal"".The third step: if you want to set as mute key, in the side switch for an item, choose mute.
Q:Apple tablet ID password forgot how to do?
You can retrieve the ID password in two ways.1., through the registered mailbox to retrieve the ID password, fill in the registered mailbox, the mailbox will receive a mail sent by the system, enter the mail, click on the link open, reset the password.2. reset the ID password by validating the security prompt. Verify the registration of the security problems filled, the system will randomly extract two questions. After you fill it out, click the button, and then you can reset the password.

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