The iPhone XR camera won't take pictures, when press the button to take pictures, it doesn't respond, there is no pictures saved, we are going to DIY fix it.
Try to fix by restarting the iPhone XR, but not working; then restore the iPhone XR, the iPhone camera is still not working.
Now we are going to disassemble the iPhone XR. Use phone opening tools to disassemble the iPhone XR, remove the iPhone screen.
Use Fluke 15B+ digital multimeter to measure the resistance value and voltage of the iPhone camera circuit, they all normal.
According to our repair experience, we're going to replace the iPhone Nand flash. Remove the iPhone XR motherboard, attach it to the MJ A22+ PCB fixture, and then use Phonefix 861DW hot air rework station and BGA graver to remove the iPhone Nand flash.
After removing the iPhone XR Nand flash, then put a new iPhone XR Nand flash to the Nand test fixture, connect the device, write down the underlying data to the new iPhone Nand flash, and then unbind the WIFI.
Now we need to install the new iPhone Nand flash to the motherboard. Apply some solder paste to the solder pad, put iPhone Nand flash in the right position, and then use DES H95 5 IN 1 rework station to blow it.
After the motherboard is cooled, use iTunes to restore it, and then connect the iPhone motherboard and iPhone display screen to test the iPhone camera function, now both the iPhone rear camera and front camera can take pictures and store pictures properly, the iPhone camera function is back to normal.
Install the iPhone XR, and boot it, test the other functions on iPhone XR, they all works well.
Try to fix by restarting the iPhone XR, but not working; then restore the iPhone XR, the iPhone camera is still not working.
Now we are going to disassemble the iPhone XR. Use phone opening tools to disassemble the iPhone XR, remove the iPhone screen.
Use Fluke 15B+ digital multimeter to measure the resistance value and voltage of the iPhone camera circuit, they all normal.
According to our repair experience, we're going to replace the iPhone Nand flash. Remove the iPhone XR motherboard, attach it to the MJ A22+ PCB fixture, and then use Phonefix 861DW hot air rework station and BGA graver to remove the iPhone Nand flash.
After removing the iPhone XR Nand flash, then put a new iPhone XR Nand flash to the Nand test fixture, connect the device, write down the underlying data to the new iPhone Nand flash, and then unbind the WIFI.
Now we need to install the new iPhone Nand flash to the motherboard. Apply some solder paste to the solder pad, put iPhone Nand flash in the right position, and then use DES H95 5 IN 1 rework station to blow it.
After the motherboard is cooled, use iTunes to restore it, and then connect the iPhone motherboard and iPhone display screen to test the iPhone camera function, now both the iPhone rear camera and front camera can take pictures and store pictures properly, the iPhone camera function is back to normal.
Install the iPhone XR, and boot it, test the other functions on iPhone XR, they all works well.

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