Today we are going to share a case related to fix Face ID for iPhone 11 Pro Max Go to Settings, Face ID& Passcode Setup Face ID When trying to setup Face ID Move iPhone to a little lower/ higher level papas up Face ID cant be set up ordinarily It can be judged that the dot matrix display of Face ID has cracked remove the screen and then unplug the Face ID module We can see a crimson marking that the phone is water injured Connect the dot display flex cable to I2C Programmed repair The experiment shows that the dot display flex cable is Disabled Press Read, read data from the dot projector flex cable Connect the I2C iPhone 11 Pro Max flex cable to the programmer Press Write Write the data that has been predicted on the brand-new flex cable Next, we remove the dot projection module to prevent the crystal from to become loose and then affect the position, we need to fix the quartz with UV adhesive Fix it with UV lamp Remove the foam on the back of the raster projector to facilitate positioning while administer Well, distinguish the unit with a engrave spear as the dot projector flex cable is under the metal plate Lift the metal layer to remove the flex cable Get the installation tool we use Wextom Face ID Module and Dot Projector Board Hold Fixture for repair Connect the Face ID module to the fixed installation. Grind the welding orientation of the metal sheet, slip the spacer knife into the gap between the dot projector unit and the quartz hot with the hot air gun at 150 severities, collect the dot projector unit. Dot Projector Flex Cable Heat with a hot air gun at 320 C Remove the dot projector unit Connect the dot projector unit to the hot stabilizer Mount with the hot air gun at 320 Remove the MOSFET Apply a small amount of solder adhesive to the bonding plate utilizing solder Iron at 365 mount cable between bolt 2 and pin 3 of MOSFET with 0.02 mm copper wire Connect the dot projector unit to the bracket Clean the tin on the rosin dot projector part with S Older iron at 365 C and solder wick Clean the unit with PCB clean Next Heat with hot air gun at 240 C Remove residual adhesive with tweezers Get the brand-new flex cable Place Reballing stencil in redres standing Apply some solder paste Medium temperature evenly Heat with hot air gun at 320 positions Celsius, remove the reshaping stencil after the flex cable cools off heat with a hot air gun at 320 units again Apply a small amount of Paste Flux On the flex cable Attach the flex cable to the stand Align the dot project of the hot air gun soldering module at 320 Connect the soldered flex cable to the I2C programmer Press “TEST” The display shows “Pass” indicating that the flex cable is normal.Connect the flex cable to the set fixture Put the expose moment flex cable into importance Put a small amount of 460 adhesive between the display pitch crystal force Formerly the adhesive is placed, arrange the flex cable Install the flex cable on the phone Connect the screen and battery Boot the phone, and go to Face ID gives, Face ID must be drawn up commonly Face ID opens naturally. Error cleared, REWA now render 3rd gathering repair service If you have hardware that you can’t repair, feel free to send to REWA REWA LAB will help you to repair 3rd gathering repair service currently includes iPhone motherboard, back camera, touch motherboard and Face ID iPad, Back Camera, Touch, Motherboard Face ID MacBook, EFI, PIN Unlock Data Recovery for iPhone, iPad, MacBook Feel free to leave a comment if you are looking for a third party repair service we will contact you soon. thanks for watching.
