16-02-2026
Apple Diagnostics has been an official Apple tool since iOS 18, allowing technicians and users to check the hardware of an iPhone. In this blog, we explain why this feature is important, the benefits it offers, how to check display quality, and why transparency toward customers is so crucial. For a practical step-by-step guide, see our other blog: Apple Diagnostics on iPhone: Performing a Step‑by‑Step Hardware Test.
Apple Diagnostics performs automatic hardware tests and checks, among other things:
It helps technicians quickly and reliably identify where a problem lies.
With Apple Diagnostics, a technician can check whether the display is:
This information is crucial for the iPhone’s performance, durability, and reliability.
❓What is Apple Diagnostics on an iPhone? An official Apple tool for hardware testing.
❓Which models is it available on? iPhones from the iPhone 12 with iOS 18 or later.
❓Can I use it myself? Yes, but interpreting the results requires technical knowledge.
❓Can the display be checked for originality? Yes, Service Pack, Refurbished/Pulled, or Unknown.
❓Why is transparency important? It increases trust and customer satisfaction.
❓Should I always run Apple Diagnostics after a repair? Yes, it is strongly recommended.
❓Does it require internet? Ja, Wi-Fi is nodig voor Apple Support.
❓Does the battery need to be sufficiently charged? Yes, at least 25% for a stable connection.
❓Can it sometimes fail to work? Yes, usually due to a failed connection with Apple. Try again, this rarely happens.
Apple Diagnostics is an indispensable tool for anyone working professionally with iPhone repairs. It provides fast and reliable insights into hardware performance, helps verify used components, and strengthens transparency toward customers. By using this feature as a standard procedure after every repair, you not only improve the quality of your service but also build trust, customer satisfaction, and a strong reputation in the market.
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