Chosen Solution
I have an iPhone 6 that was boot looping and I went ahead and opened up the phone to see if there was water damage or even hardware damage on the phone when I unplugged the proxy the phone booted up perfectly, I did a software update to see if this can fix the problem and it still shuts down or boot loops with the proxy plugged in.
You can replace the proximity sensor yourself; just follow this guide. You can order a replacement part here.
well thats you answer in the question change your front camera assembly it has a short
