

Next, open the AltStore app > Click on My Apps > Click on the + sign > Select the IPA file that you want to install on your device.In the next page, click on button > When prompted, click on the Trust button and you’re good.To fix this, go to Settings > General > VPN & Device Management > Click on your Apple ID under DEVELOPER APP.When you try to open the AltStore app on your device, you will be shown a prompt like below:.And the AltStore will be installed on your device. Now, once again click on AltServer > Install AltStore > Select your device.Then click on ‘ Apply and Restart Mail‘ button. Next, Open the Mail app on your Mac and go here: Mail > Preferences > General > Manage Plug-ins > Enable AltPlugin.mailbundle.You will be asked to install the AltServer Mail Plugin.Fill in the details and click on the Install button. You will be prompted to enter your Apple ID and Password.Click on AltServer > Install AltStore > Select your device.Next, connect your iPhone to your computer (a Mac, in my case).

