How to Enable Unknown Sources on HUAWEI P20 |HardReset.Info

How to allow unknown sources in HUAWEI P20? How to install apps from source other than Google Play Store? Unknown sources on HUAWEI P20 blocks the installation of apps apart from downloaded from Google Play Store. By default, the feature is disabled on your HUAWEI smartphone. Check out how to allow the installation form some sources. More Info: http://www.hardreset.info/devices/huawei/huawei-p20/hardreset/first-method/