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Welcome. In front of me is a Samsung Galaxy S21 Ultra and today I will show you how to
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check your warranty status from Knox. Now, the Samsung S21 and also the previous ones
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did have a basically a warranty check based on like the tempering of the device. So if
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you decided to, for instance, root the device, that would void your warranty, which is quite
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obvious. The majority of the people that root the devices do know about this, but as a second
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hand person who is trying to buy the phone off of someone, you might not know that the
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device was, for instance, rooted. And thus you also will not know that your warranty
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would be voided, even if they say that there is still a manufacturer warranty. Now, there's
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a one easy and super quick way of checking your warranty on the device and all you need
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is any kind of computer, maybe laptop, the cable that you use for charging and simply
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plug it into your device or your computer and to also your device. Let me just connect
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it right here. There we go. As you can see, it's connected. So from here, let me just
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mute the computer so we don't hear it. So once you connect it, what you want to do is
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simply power off the device. And when the device shuts off, you then want to hold power
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or not power, but volume up and volume down. So both of the keys at the same time. And
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this will take us to the, well, this screen right here. So before we actually see our
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warranty, you need to press volume up to continue. So let's press volume up. There
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we go. And we are right now in the download mode. But apart from this being the download
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mode, it also gives us several information. One of them is basically warranty void information
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So here it basically detects if the device was tampered in any kind of way, if anything
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was installed that that shouldn't be here and any kind of things were changed. And if
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they were, then you will see after the double colon right here, you will see the instead
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of zero one. If you see a zero like you see right here, that means that the warranty is
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still good to go. And the device is still covered. If you see anything else than a zero
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that means that well, your warranty is gone on this device. And you can quickly check
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that whatever you are, as long as you have a computer that I can plug the device to
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Now once you are done with this, all you need to do is hold party and volume down for
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more than seven seconds. Let's try that again. There we go. And also once it turns up, unplug it. And all it's going to do is now boot back
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up into the Android. There we go. We're now back in Android. So if you found this video helpful, don't forget
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to hit like, subscribe and thanks for watching
