NB: WITH THE SPARE PART IN QUESTION IT IS POSSIBLE TO REMOVE THE POP-UP ERROR MESSAGE. IT IS THEREFORE NECESSARY TO MIGRATE THE ORIGINAL IC CHIP FROM THE OLD DISPLAY AND SOLDER IT TO THE FLAT CABLE THAT YOU WILL FIND INCLUDED AS HIGHLIGHTED IN THE PHOTO. NB: TO MAKE THE TRUE TONE FUNCTION AVAILABLE AND ACTIVATABLE ON THE REPLACEMENT PART, IT IS NECESSARY TO FIRST RECOVER THE SOFTWARE INFORMATION FROM THE ORIGINAL DISPLAY (USING A 120Hz PROGRAMMER) AND ONCE THE CHIP HAS BEEN SWAPPED ON THE NEW DISPLAY, COPY ITS SOFTWARE. iTruColor SOFT OLED LCD DISPLAY FOR APPLE IPHONE 13 PRO MAX TOUCH GLASS SCREEN COLOR: BLACK ORIGINAL iTruColor QUALITY Premium High-End SOFT OLED ...USEFUL TIPS TO KNOW... ?An incorrect installation can easily cause problems with the device, therefore: Remember to correctly connect the light sensor / proximity sensor flat cable to the motherboard; otherwise the device will start to restart automatically for 1-5 minutes.??? Remember to ALWAYS turn off your mobile phone before replacing and installing the display; not doing so could cause touch problems or display malfunctions such as flickering or image artifacts. Remember, once you have carried out all the tests and made sure that the replacement works correctly, remove the protective film on the back of the screen to prevent it from pressing against the display, causing touch problems. Remember to disconnect the battery contact before carrying out any type of intervention.