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This article discusses software internally used by Apple.

Acquiring a copy without Apple's consent is illegal and may result in being scammed.
Engaging in illegal activity is not condoned. This information is provided for educational purposes only.

RepairCal Icon.png
Original author(s) Apple Inc.
Developer(s) Apple Inc.
Stable release 2.6.1
(latest known version)
Operating system macOS
Available in English
Type Calibration
License Closed source

RepairCal is an internal utility used by Apple and other Apple Authorized Service Providers (AASPs) to calibrate the display units and batteries of new iPhones, as well as recalibrate displays and batteries of newly repaired iPhones. It flashes Horizon Firmware to the device, which is responsible for helping to recalibrate the screen and battery. RepairCal is not to be confused with DisplayCal or 3DTouchCal.