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Here are the steps to perform a hard reset in your device:
1. Switch off the device.
2. Now press and hold Volume Down + Volume Up + Power button, and release them, when you see menu of Bootloader Mode.
3. Then select option "Recovery" from the menu, using Volume Down, then press Volume Up.
4. When you see Android with triangle, then press together Volume Up + Volume Down.
5. After that select option "wipe data / factory reset" using Volume buttons to browse option, and Power button to confirm operation.
6. Choose option "Yes -- delete all user data" and accept with Power button.
7. Press Power button to select option "reboot system now".
This should work on any Android 4.0 and newer tablet.
To take a screenshot on your device, press the Volume Down and Power keys at the same time.
The screen will flash, you'll hear a sound, and you'll see a framed image appear and fade into the notification bar. The "Saving screenshot" notification will appear.
You have to reset your tab its at the back of your tablet .or you may go nearest service provider to unlock it.if is not working go to unlock account enter your user name then choose pattern enter your new pattern and then enter it again for confirmation..or u shut down the device then hold the power button hold again the volume up and the power button together.you see the recovery mode scroll down the with volume down button press the factory settings using the power button..then press the power button again to reboot make sure your battery is fully charge.
Hard Reset the tablet by holding the power on off whilst holding the volume down button until machine switches off, then restart.on some machines it may be volume up instead, others it will be the home button and power button.this should reset tablet to default settings.If it continues to play up then it is likely the touch digitizer is faulty.if you are trying to use a USB keyboard disconnect it before doing any of the above then once tablet is running reconnect the device.it could be the USB keyboard that has a key stuck down due to spilt drink or food.hope this gives you some pointers.
You can try a factory restore, but if that doesn't work you will need to buy a new tablet. These cheap tablets are throw-aways unfortunately. Note that a factory restore will erase any files you have on the device.
Factory Restore on Android devices:
- Turn off the device
- Hold Volume Down and also press the Power button until a menu comes up
- Use the Volume Up and Down buttons to select Factory Reset (or Restore)
- Press Power to select
Please be sure to double check that the volume for BLUETOOTH on the device (phone, tablet, etc.) is also turned up. Please note that the volume buttons on the speaker may not always control the bluetooth volume via the device.
If you continue to have trouble feel free to contact the manufacturer at firstname.lastname@example.org or going to http://www.contelusa.net
1. Power the Tablet off.
2. Press and hold the Volume Down button of the device, then press and hold the Power button.
3. Continue to hold both buttons until a bootloader screen appears.
4. Wait for the prompt that says to "Press <VOL_UP>" then press the Volume Up button to start the process. 5. Navigate to Erase content.
All info on tablet will be deleted but not the info in the SD card
The tablet will complete the hard reset process and reboot into a factory default state.
To force the device to restart without wiping any data, simply press and hold the Power button for about 10 to 20 seconds until the device turns off. You should then be allowed to turn the device back on as normal.
Hard Reset Using Buttons
Note: A hard reset deletes data. Before performing these steps,
be sure to backup your data if you wish. Some data can be backed up
under Settings > Privacy > Back up my data and data that syncs
with Google should re-sync once you have performed the reset as long as
you use the same account.
1. With the Galaxy Note powered off, press and hold the Volume Up, Volume Down and Power buttons.
2. When you see the Samsung logo appear, release the Power button, but continue to hold Volume Up and Volume Down.
3. Release all buttons when the System Recovery screen appears.
3. Toggle the selection to highlight wipe data / factory reset using the Volume Down button.
4. Press the Power button to choose the selection.