Launch the app while connected to the internet. iOS needs to verify the certificate with Apple’s servers. If that fails, your certificate may have been revoked (rare for free accounts). Refresh the app via AltStore.
What your computer runs (Windows or macOS)? Which iOS version your phone is currently using? If you are encountering a specific error code during setup?
A Mac running macOS 10.14.4 or later, or a PC running Windows 10 or later.
Launch AltServer. It will appear as an icon in your menu bar. how to install ipa file using altstore
AltStore requires a companion desktop application called to sign the apps and manage certificates.
: This usually happens due to firewall or antivirus settings on Windows. Temporarily disable them or allow AltServer through your firewall.
The apps will refresh, resetting the 7-day timer. You can set a reminder to do this every 6 days to avoid losing data. Launch the app while connected to the internet
AltStore will contact AltServer (which must be running on your computer, with your iOS device on the same Wi‑Fi network or connected via USB). AltServer will sign the IPA with your developer certificate and install it onto your device. This usually takes less than a minute.
A Mac running macOS 10.14.4 or later, or a PC running Windows 10 or 11.
Enter your . This information is sent directly to Apple to generate a signing certificate. Refresh the app via AltStore
Visit the official AltStore website and download the AltServer package for your operating system (macOS or Windows).
Open AltStore while connected to the same Wi-Fi as your computer at least once a week to "Refresh" the app to keep it alive forever.