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Here I have Huawei P20 Lite and let me show you how to use Sim Lock on the following device
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so how to add, change or delete the pin protection on your sim card by using the following Huawei
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P20 Lite. So at the very beginning let's start by using your home screen
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Let's choose settings right here, let me select security and privacy, tap more and here let's
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find set sim lock. So now let's decide that you would like to set the pin protection on your first or the
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second sim card, in my case let me use the first one
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Let's choose lock sim card and if you have some old pin you have to use it, so let me
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do it. Let me use my old pin, let's tap ok and now my device is using my old pin, so in my case
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it's just 1234, one of the most simple one. You can change your sim pin by using the following option, let's enter your old pin and now let's
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enter the new one. Tap ok, let's do it twice just for confirmation, that's it, you just changed your pin
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You can also disable the sim lock protection by using the same switcher
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Let's unlock the sim card by entering the pin and tap ok, right now you don't have any
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pin protection on your sim. So everything went well, thank you for watching, please subscribe our channel, leave thumbs