How to factory reset a iPhone 6 to out the box settings

If you have backed up iPad, just restore iPad to factory settings and then recover data from the backup. Follow below steps to reset the password on iPad.

If you haven't synced your iPhone with iTunes before or if you haven't enabled your Find My iPhone on, you can take advantage of the third method. Resetting iPhone Password in Recovery Mode is not complicated. The steps below will show you how to do that.
Step 1. Disconnect all cables from your iPhone and turn it off.
Step 2. Press and hold the Home button and connect your device to iTunes. If your iPhone does not turn on, please turn it on manually.
Step 3. Continue holding the Home button until you see the Connect to iTunes screen. iTunes will remind you that it has detected your iPhone in recovery mode.

Step 4. Click OK. The Summary tab in iTunes appears. Click "Restore iPhone" and restore your iPhone.

Recovery Mode will erase all your data and passcode from your iPhone, resetting it to factory defaults. Thus, you'll have brand new iPhone without any personal data after you reset iPhone password with Recovery Mode. Therefore, please consider carefully whether you need to use this method to reset password on iPhone.
If you remember your current iPhone password and you just want to change into a new password, you can finish it with ease. Go to Setting > General > Touch ID > Passcode (iOS 9/8/7) or Passcode Lock (iOS 6), then enter the current password and tap Change Passcode. Then enter the new passcode. Now, you have reset your iPhone password.

For more methods, check: How to Reset Password on iPhone

On your iPhone, go to Settings, then General. Tap on Reset. You should see three different options to choose from.

To proceed, tap on Reset All Settings. Be careful not to tap 'Erase All Content and Settings'

Your iPhone's settings should be back to its original configuration without you having to lose all your data and restore them at a later time.

Actually you can. Just follow below steps to turn off screen lock.
To turn off lock screen on iPhone means to turn off passcode. So your lock screen'd disappear as long as your passcode is disabled. Here's how you can disable passcode on iPhone.
Step 1: Open Settings then tap Touch ID & Passcode.

Step 2: The Turn Passcode Off option is right on top of the setting, just tap it and move on to the third step

Step 3: Your original passcode is needed if you are trying to disable the passcode. Enter your original passcode.

Step 4: There is a popping out box asking for your confirmation of turning off the password, tap Turn Off and the iPhone screen lock will be turned off.

When the passcode is disabled, you will no longer have to enter it. But what if you just do not want to enter it over too frequently without turning off lock screen iPhone? The following instructions will show you how to do this.



For more details, please check: How to turn off lock screen on iPhone

You can simply follow the steps below:

1. Connect iPhone to computer.
2. Select iPhone in iTunes "Devices" and click "Summary".
3. Click "Check for Update" to see whether there is a new version for iPhone software.
4. Click "Restore" and follow the instructions to complete the restore process.
5. Choose "Restore from iTunes backup" when iOS Setup Assistant asks to set up your iPhone.

Or refer to the source page: Forgot iPhone Screen Lock Passcode How to Recover Lost Data on iPhone...

1. Restoring Original Settings, and Removing Old Passcode




• 1 Connect your USB cable to your iPhone and your computer.




• 2 Turn off your iPhone by pushing the power button on the top of the phone and waiting for a slider to appear on the screen. Move the on-screen slider as directed when it appears on your iPhone.




• 3Turn your iPhone on by simultaneously holding down the power button and the home button. The home button is the circular button in the middle of the lower portion of your iPhone face. A yellow sign indicating you are in restore mode will appear on the iPhone.




• 4 Start the iTunes program on your computer.




• 5 Click on the summary tab when iTunes starts.




• 6 Click on the "Restore" button. This restores all the original settings on the iPhone.
2. Setting New Passcode




• 7 Select the "Settings" icon on your iPhone.




• 8 Click on "General Settings" option and choose the option for the passcode lock.




• 9 Enter a four-digit code that will be used in the future to unlock your iPhone. Others cannot use your iPhone without the code. Your iPhone will require you to enter the four-digit code a second time to confirm and set the code.




• 10 Select how often you want your iPhone to require the passcode to be entered.
Read more: http://www.ehow.com/how_5822618_reset-apple-iphone-password.html#ixzz31T6pDoiy

To recover a locked iPhone iOS Forgotten passcode or device disabled after entering wrong passcode

iPhone must be recovered on a PC or Mac to solve this problem.

CLICK HERE

You will also be able to reset iPhone to factory settings within your iPhone. You just need to go to "Settings > General > Reset" and then choose the categories you want to reset and then apply it. If you choose "Reset All Contents and Settings", then you will get all the files in your iPhone erased.

Once you tap on "Erase All Content and Settings", you will be asked to enter your Apple ID password. Next, you will see a Popup Message informing you that All media, data and settings will be erased from your iPhone. Click on Erase iPhone to factory reset iPhone 6 Plus.

Apart from above methods, you can also try the methods in this guide. How to Restore iPhone 6 Plus to Factory Settings

Hello
Reset the device to its factory settings. To reset it to factory settings, enter "Setup", select 'Reset All Settings", press [=>] button to reset the TV to its factory settings. All parameters, except the parential lock will be reset to it original factory settings. If you for got the pass code, just enter its factory reset passcode [0000]; Eventhough the set will report this to be wrong passcode, input [0000] once again. This will unlock the passcode, and you have to set a new passcode. OK.