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Here I have CAT S31 and let me show you how to accomplish the hard reset operation on
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that device and let me also show you how to bypass and remove pattern or a password protection
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on the following device. So at the very beginning let's start by holding the power key, let me press the power button
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right here, choose power off and wait until your phone will be completely switched off
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Afterwards you need to prepare the micro USB cable, the cable could be connected to your
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PC or to your charger, in my case the cable is connected to a charger and afterwards you
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need to start holding the volume up, so keep holding volume up and while holding volume
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up connect your device to a charger or just to your micro USB cable
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So let me connect my device, keep holding volume up, you can release volume up as soon
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as CAT logo pops up and as you can see the Android recovery mode pops up, you may even
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disconnect your device from your micro USB cable and now you can use the Android recovery
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mode, here you can navigate by using both volume keys. So let's scroll down to highlight wipe data factory reset and press power key to confirm
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it, then scroll down to yes, press power button to choose it
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Right now the device is whipping all personal data and customized settings and also the
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installed apps and as soon as Android recovery mode pops up again on the screen simply press
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power key in order to reboot system now. So right now the device is restarting and rebooting, the phone is preparing the welcome
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panel to start using your device, so let's wait until the operation will be done, do
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not interrupt while the process is running. Excellent, as you can see the welcome panel just pops up and as you may notice there is
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no pattern or a password protection so you can start easily activate your device
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