iPhone 11 系列”非原装屏幕 / 重要屏幕信息“警告修复方法

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***This is a professional-level repair that requires special tools and skills.***

Replacing the display on an iPhone 11, 11 Pro, or 11 Pro Max is no easy task. Apple's tight integration of software and hardware means that only displays installed by authorized technicians with Apple tools and parts will fully function. You may have encountered the dreaded "Important Display Message" after a third-party repair shop, or after you swapped in an aftermarket screen.

This error essentially disables certain features like auto-brightness and True Tone as Apple's diagnostic software detects the non-genuine display. Bypassing this restriction requires advanced technical skills, opening the phone, and reprograming the microcontroller chip.

This guide will walk through the process of installing a new display while retaining full functionality. We'll cover:

* Required tools like an SPI flasher and soldering iron to access the EEPROM chip
* Safely disassembling the phone without damage
* Reading and backing up the original EEPROM data
* Flashing the microcontroller to re-enable True Tone
* Rearranging display components from the old screen
* Securing and testing the new display's connections
It's a complicated procedure but following this repair manual will allow even non-certified technicians to replace an iPhone 11 series screen while retaining the original calibration and features. Ready to get started? Let's begin by gathering the necessary tools and parts.

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