iPhone 6 after screen replacement doesnt turns on but enters in DFU
Recently, I have replaced an iPhone 6 screen the phone turned on but suddenly the image became distorted. I thought it was a screen problem and replaced by another screen. Now the phone just don´t turn on. Usually after replacing the screen the phone turns on but the screen remain black. The fix is usually just remove and put back the battery. But this iPhone just DONT TURN ON (doesnt even appear in iTunes). I have did everything. The phone only enters in DFU mode. I tried to restore the phone in DFU but it get stuck in "Waiting for iPhone".
Please help! It´s a clients iPhone and I am very upset because Ill have to pay him another phone.
Is this a good question?
It turned out was the battery. Somehow I touched it and it fast discharged. I tested it with multimeter and it was dead. But anyway thanks @sirfixalot24434 for the help.
by Marcos Lisboa