1- Switch it off by pressing : Power+Volume Up + Volume Down + home for almost 13 seconds 2- Go to recovery mode by pressing: Power+Volume Up + home for around 6 seconds
- Switch it off by pressing : Power+Volume Up + Volume Down + home for almost 13 seconds
- Go to recovery mode by pressing: Power+Volume Up + home for around 6 seconds
Here you can factory reset it, of course you have your credentials (email & password)