Why iPhone 11 Pro/11 Pro Max needs J-BOX for true tone repair without original screen?
1. iPhone 7-11 could obtain TP code (truetone code) from normal mobile phones WITHOUT jail break
2. iPhone 11P/11PM could only obtain TP code (truetone code) from normal mobile phones AFTER jail break
1. Jail break 11P/11PM with uncover
2. Connect the jailbroken mobile phone to J-BOX via iPhone lightning cable and J-BOX to the computer
3. Open JCID Repair Assistant and enter the "Repair Fitting" interface
4. Connect and enter the J-BOX "detection/unbinding" interface, and click "detection/ unbinding" to obtain the TP code (truetone code). At the same time, JCID platform will back up the data to the cloud server.
5. User can repair truetone by reading/writing device iPhone Screen code and writing the TP code to the new iPhone display screen(operation guide as follows)
Method 1: V1S+Screen board
Method 2: D8 screen repair module
You can check the video about how to use J-Box IOS jailbreak box by the link: