: Visit their website, install the configuration profile through Settings > General > VPN & Device Management , and use their "app signer" feature to upload and install your IPA file.
: Tap Get or the price. Authenticate using Face ID, Touch ID, or your Apple ID password to begin the installation. download-kr3-iphone-appstore-telefonbuch-ipa
: Go to Settings > Privacy & Security > Developer Mode and toggle it On (requires a restart). Install the IPA : Open the AltStore app on your iPhone. Go to the My Apps tab and tap the + icon in the top-left. : Visit their website, install the configuration profile
: Use a USB cable to connect your iPhone to the computer. : Visit their website
If this app is available on the official App Store, follow these steps: