I payed to have my Iphone 6 Plus' battery replaced.
He completed it, but! The front facing camera and ear piece was not working when I got my phone back. I took it back to him immediately and he responded with "its not my problem, its your fault".
Then he tried charging me $40 to fix it!

I was so annoyed but I couldn't prove it was him. This phone had been working perfectly for years, until IDOC touched it.
I ended up buying a new phone and selling my 6plus to a Professional who repairs these phones. I was told "the guy who fixed your phone had broken the cable, thats why the camera and ear piece aren't working".

I now know to avoid IDOC because he is a snake! He actually tried to charge me for something that was his fault!

Stay away from this place, there are much more professional and honest places out there.