G6 password forgotten

enter old password open settings and change password

You can email Amazon and give them you Kindles model number and ask for the parental password

Go to settings, phone, change voicemail password, then follow instructions.

Your facebook account is linked to an email address and a phone number. It may have been highjacked and the password changed. You can try to log in using the email address you used and then ask for a new password or reset password. should be easy from there

If you have forgotten the passcodes then you can only restore the iPhones.

Hold the Power Button & Home button, the phone will turn off, keep holding the buttons, when the apple logo appears, let go of the power button but remain holding the home button. You should now get a screen that shows a cable and Itunes
Connect you phone to the PC and load up itunes, Itunes will say that it has detected a phone in recovery and can only be restored, click Restore phone, this will basically wipe the phone and will need setting up again after restore.

Apple can help you to reset your login, when you enter the correct password that belongs to your Apple ID. It will be partially on the screen. If you really messed up, setting up security, and lost unlock code and your Apple ID password. Only Apple can help. For that you have to take iPhone, invoice and prove of your identity (Passport) to the Apple store and hope they will unlock your iPhone. With iOS7 Apple made a very good security system. And while setting up the iPhone and the security, you are warned several times what to do to make sure you and only you could enter the system. Whatever you is told there is no bypass for the Apple security system.Be aware if Apple does reset your iPad, all data now on the iPad will be lost.

Connecting to iTunes, only works if you had it installed on your computer and made a backup on the PC. If you know the password belonging to the Apple ID on the screen, you could try entering that.
Or perhaps you try this site?

http://www.wikihow.com/Reset-a-Forgotten-Password-for-an-iOS-Device

Follow this passage to get suitable way: What If I Forgot My iPhone Backup Password - iPhone Backup Password Recovery.

Choose one you like. Or get powerful tool help you, iTunes Password Genius. It could make a promise to recover forgotten iPhone backup password for you.

Following is video guide for you:

If you have lost your iTunes password you can reset it here: https://iforgot.apple.com/

If you have forgotten your passcode on your iPhone you have to restore it to factory settings

From knowyourmobile.com:

Forgotten your iPhone Passcode?
If you have forgotten your iPhone's Passcode you will need to restore your phone via iTunes.
But first you have to put your phone into the restore mode which is a slightly fiddly process.
Plug your iPhone into your PC or Mac with the USB cable
Press and hold the power button at the top and then slide to power off the iPhone
Press the power button to power the iPhone on and keep it held while simultaneously pressing the home button
After a few seconds a yellow alert triangle will appear and the iPhone will say it is iPhone Restore Mode.
Open up iTunes and click on the Summary tab
Click on Restore to restore your iPhone. This will reset all your iPhone's setting to the factory defaults, including the Passcode. You should then follow the steps above to activate the Passcode with a memorable number