How do you do a factory reset to myformyPolaroid s8 table

If you forgot your pattern. Do a factory reset but it will delete your all data.
Reset your Galaxy S8 from the recovery menu

1. Hold the Volume up, Bixby, and Power buttons at the same time, and keep them held down until you see the Samsung logo.
2. After 30 seconds, you should see the Android Recovery Menu. ...
3. Press the Volume down button four times, until Wipe data/Factory reset is highlighted

Press and hold the power button, then press and release the volume up button. Now you should see “Android Recovery” written on the top together with some options. By pressing the volume down button, go down the options until “Wipe data/factory reset” is selected. Press the power button to select this option

I would say yes there are a number of data recovery programs available which can do this for you but you have be real quick with the recovering process, because further delay means that place where your data previously was gets over written by something else. You can use software to recover you data back. But do remember act fast over it and don't try writing something more over it otherwise the chances of getting your things back will decrease.

MobiKin Doctor for Android Windows Version

Recover Deleted Contacts from Android

Samsung T499 Dart Android hard reset

1. Turn off Samsung Dart. Press and hold Volume up key + POWER on the
phone. Reset

2. When the Android System Recovery screen appears, release the keys.

3. Using the volume keys, scroll down to Wipe Data / Factory Reset.

4. Press the Power key to confirm.

5. With Volume select Yes -- delete all user. Press the Power key to
confirm.
After master reset select Reboot System Now. Press the Power key to confirm.

6. Your T-mobile Samsung Dart phone reseted to the factory default state.

(This should work but if not, try both volume + power)

Samsung T-mobile Dart reset

A Samsung T499 master reset restores the original factory settings and
may erase all downloaded content, including ringtones, images, programs,
and contacts stored in the internal memory. It does not erase data
stored on the SIM card or memory card (if available).

To perform a hard reset, follow these steps.


Samsung Dart T499 Factory Data Reset

From this menu you can reset your phone and sound settings to the
factory default settings.
1. Press Samsung Dart T499 reset - Samsung Dart T499 reset and then tap
Samsung Dart T499 reset settings key (Settings) - Privacy.
2. Tap Factory data reset. This action erases all data from your phone
except current system
software and bundled applications, or SD card files such as music or photos.
3. Tap Reset phone - Erase everything.

Samsung Dart Password code try 1234

or

Use this method to hard reset your Samsung Dart Android phone: Enter
*2767*3855#. Warning! All your data including contacts, messages etc.
will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM
or make backup to your PC before full reset! Take out SIM card before
full reset.

If you are trying to factory reset your tablet, go to settings then go to backup & reset. There should be an option to factory reset your tablet which will delete anything you installed or downloaded.

You will have to reset it factory settings
Performing factory data reset ( master reset or hard reset ) Sony Xperia J ST26i/ST26a via Settings menu:
To perform a factory data reset
From your Home screen, tap Applications
tap Settings
tap Backup & reset
tap Factory data reset
tap Reset phone.
tap Erase everything.

You have to do a factory reset to the device or it wont go away, make sure you dissconnect ethernet cable when doing the factory reset.

Try resetting all parameters to factory settings. Do it once and then set your personal settings. Then, reset to factory defaults again.