MockGo has integrated with MockGo Master to successfully bypass the Failed to detect location error in Pokémon GO. As a thank you to our community, MockGo Master is completely free for all active MockGo subscribers.
Begin by installing the companion tool MockGo Master onto your Windows computer, or iMocker Master onto your macOS computer.
Launch MockGo Master on your computer and connect your iPhone using a standard USB cable.

Please uninstall the official Pokémon GO app from your device before proceeding. Enter your Apple ID on the MockGo Master home screen to sign the installation package.
We guarantee absolute data privacy.Your credentials are used exclusively for Apple server verification and are never stored or collected by our software.
Select Direct Download and the program will automatically fetch and install the tailored Pokémon GO app onto your iPhone.

Once the installation finishes you must authorize the app on your iPhone. Open Settings navigate to General and tap VPN & Device Management. Locate your Apple ID under the Developer App section and tap Trust.

Open the newly installed game on your device. If the app crashes on the first attempt simply reopen it a few times until it stabilizes. We highly recommend testing the software with a secondary Pokémon GO account first to ensure total safety.
Please note that standard developer certificates expire after 7 days. You must reinstall the app through MockGo Master weekly to maintain uninterrupted access. If the game prompts you for a forced update simply uninstall it and perform a fresh installation using MockGo Master.

With the PoGO app running successfully open your main MockGo software. You can now modify your GPS location flawlessly without triggering Error 12.
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