I m now using an OS system, and I can t use the induction or solution for air operation

Something to be clear.

They have a one-year warranty. It's still there. It's the cable that has been changed. If you use too much force when typing or playing games, you will break the cables.

Because that line is just below that G and H.

If you are using a Windows system, it may be a system problem, and if you are using a Mac system, it may also be a problem caused by static electricity. You rub it with alcohol.

If the system problem is mild, it can be repaired with the system disk that comes with the machine, and if it is serious, you can use the general redo system

The ones I bought are all under warranty. One-year warranty, redo the system without charge.

If you are on a Mac OSX, you need to reset the firmware, reset the PRAM and NVRAM

Turn off your computer. Find the following keys on your keyboard: Command, Option, P, and R. You will need to press these keys at the same time in step 4.

Start your computer. Press the command-option-p-r key at the same time. This key combination must be pressed before the gray screen is displayed.

Press these keys until your computer restarts, and you'll hear a startup chime again.

Release these keys.

At this point, your computer's pram and nvram have been restored to their default values.

The above is to make sure that your touch plate is not flooded with water or other liquids! Otherwise, please allow it to dry before handling.

Unlock method 1: Flash the phone.

Re-enter the ROM. You can set the combination lock to be desensitized and restricted, provided you can flash it.

Unlock method 2: Dual wipe

From the professional perspective of flashing enthusiasts, it can be regarded as a kind of operation to erase the data of the mobile phone. The more professional answer to the meaning of wipe is: wipe is to restore the factory bridge settings, including contacts, text messages, installed software, etc.

Unlock Method 3: Use ADB to delete the forgotten lock screen password.

Operation steps: Connect the mobile phone to the computer, do not turn on the data connection, and proceed in charging mode.

After unzipping on your computer, place the ADB file in the root directory of the C drive of your computer.

Perform the operation in the figure and delete *key file.

Enter adb reboot or manually restart the phone to take effect.

If you have any other questions, you can enter the OPPO enterprise platform to ask customer service questions!

Because your phone doesn't have that function.

Turn on the computer and press the Command+R keys to reinstall the system.

You can take a look at your front camera, then there is a foreign object near the bend, you can clear it, try it,Airflip is based on the front camera Huishen senses the gesture and sends out the instructions,But Sun Boreng is caused by this reason,If it still can't be used normally,It may be a system abnormal,If it's convenient, back up the information in the phone (**Ben、SMS, etc.) Restore the phone to factory settings and then observe。

Now the compatibility is not good, and it is normal that there is no driver or the driver cannot be used.

Mine also has the problem of changing the hand-drawn board to a cutting board, and the driver is not compatible after the upgrade, so I can only wait for the official hand-drawn tablet driver to update.