Supersonic 7" Touch screen MID tablet was dropped now touch sensor not working

Someone set the password. You may need to do a factory reset while it is connected to a PC. You will lose everything on it but at least you will have a tablet again. Alternatively, you can try 100 passwords each night for 100 nights until you find the right combination of 4 numbers.

If you allowed the battery to go dead you will have to remove the back, unplug the battery, then take an old phone charger cut off the plug that goes into the phone, strip back the wires hook them (in the proper polarity) to the battery and plug it in and allow it to charge for a little while, every time my wife runs my battery dead on my Asus Memopad I do this overnight, in the morning plug the battery back into the tablet and you're ready to go. VERY IMPORTANT! get the battery and charger polarity correct, the battery wires are usually red +, Black - I hope this helps you

What version of android are u running?

go for hard reset

You need to flash new firmware you can download LiveSuit and
then look for the correct firmware that is compatible with your tablet.
If you search for How to Flash Tablet there will be a video or instruction on how to do it.

Its a android based device, so its most probably asking you for the password of the gmail ID you entered in the previous screen.

You'll need to do a factory reset:
1. With the device off, press and hold Volume Up and Power.
2. Release the Power button when you see the logo, but continue to hold Volume Up until the recovery screen appears.
3. Use the Volume buttons to navigate the menu and select wipe data / factory reset. Press Home to choose the selection.
4. Press Volume Up continue.

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