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This specific iteration brought several refinements and expanded compatibility:

Provides updated diagnostic procedures specifically for the MacBook Pro and Mac mini models featuring the M1 chip.

Results are logged and can be viewed by the technician to determine the exact cause of failure. Requirements and Availability Self Service Repair - Apple Support

Fixed specific bugs related to Location Services on initial boot for macOS Big Sur and improved stability for macOS Monterey.

Access to the full AST suite typically requires an authorized GSX account.

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Apple Service Toolkit - 1.5.3 30 May 2026

This specific iteration brought several refinements and expanded compatibility:

Provides updated diagnostic procedures specifically for the MacBook Pro and Mac mini models featuring the M1 chip. Apple Service Toolkit - 1.5.3 30

Results are logged and can be viewed by the technician to determine the exact cause of failure. Requirements and Availability Self Service Repair - Apple Support Apple Service Toolkit - 1.5.3 30

Fixed specific bugs related to Location Services on initial boot for macOS Big Sur and improved stability for macOS Monterey. Apple Service Toolkit - 1.5.3 30

Access to the full AST suite typically requires an authorized GSX account.