Use the same Apple ID that you used to install the AltStore app from AltServer on your PC in the instructions above. The first thing you need to do is sign-in into the app using your Apple ID and password.

Once you have AltStore running on your iPhone. It’ll launch like any other app on your device. Now go back to your iPhone’s home screen and open the AltStore app.

If you get a confirmation pop-up, tap “Trust” again. Then tap “Trust ” to add it as a trusted developer on your iPhone. Tap the Apple ID email address you used to install AltStore in the Device Management screen.

Accessing Device Management setting on iPhone To add the certificate as a trusted developer on your iPhone, open the “Settings” app and go to “General”, then “Device Management”. It does this make it much more difficult for Apple to disable the app. This is because AltStore is installed on your iPhone with a developer certificate from your own Apple ID. Untrusted Developer warning being shown when launching AltStore

FanCtrl 1.6.3 for iphone instal