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Here I have Blackview 820 and let me show you how to wipe cache partition on the following device
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So at the very beginning let's start by pressing the power key and let's hear tab restart
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Tab OK to confirm it and let's start holding volume up. Keep holding volume up until the boot mode pops up
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and now you may release volume up. So this is the boot mode. Here you can navigate by using volume up and confirm options by pressing volume down
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So let's choose the recovery, let's press volume down to confirm it and let's wait a
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couple of seconds. As you can see the Android recovery mode just pops up in front of you
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Here you can navigate by using both volume keys and confirm options by pressing power key
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Let's scroll down here to highlight the wipe cache partition and press power key to choose it
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Then scroll down to choose yes and press power button to select it
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So the device is whipping the cache files. The phone is formatting all temporary cache files and as you can see the Android recovery
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pops up again so now all you have to do is simply press power key to reboot system now
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Let's wait a few seconds until you will be able to use your device
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Excellent so everything went well. Thank you for watching. Please subscribe our channel and leave thumbs up under the video
