Unlocking your iPhone's true potential can often be hindered by restrictions imposed on app installation options by Apple. Fortunately, this can be easily remedied by following the simple steps outlined in this article. By enabling unknown sources, you can access apps not available through the Apple App Store - opening up a whole new world of possibilities for your device!
By default, your iPhone will only allow you to download and install apps downloaded from the App Store. This is done to protect your phone from malicious software that could compromise your personal files, steal your data or even corrupt your device. Apps not downloaded from the App Store must undergo a multistep process before your iPhone will "trust" them and allow you to use them.
To enable apps from unknown sources, open the Settings app and navigate to the Security & Privacy menu. From here, tap the switch next to "Allow Apps Downloaded From" to turn it on. A warning will appear asking you to be aware of the risks involved with this decision, but simply tapping "OK" will confirm your selection.
Note that after enabling apps from unknown sources, you must reverify the profile of each app developer on a regular basis to maintain trust. If you do not, your iPhone will eventually stop trusting the app and display a message that it cannot be installed. If this happens, you can always restore the previous setting by navigating back to the Security & Privacy menu and turning off the "Allow Apps Downloaded From" switch.