I had this problem once to, This is how I fixed it. Go into Settings>General>Reset>Reset Network Settings. This should fix it, but also it may forget all your wifi passwords so turn on iCloud Keychain and do a backup if you want to back all your passwords up.

Use Reiboot it will get you out of DFU mode with a just one click Get it here

Have you tried to reset the network settings. Settings>General>Reset>Reset Network Settings.

Try to go into Settings>General>Reset>Reset Network Settings. I've had this problem, and this fixed it And about the time thing the phones time settings could be off sync or try to connect to iTunes and see if there is a carrier update.

Q: Will iphone 6 plus pentalobe screws fit iphone 6s plus? A: No the iPhone 6 plus pentalobe screws only will work with the 6 and the 6 Plus. Q: Will iphone 6s plus pentalobe screws fit Iphone 7 plus? A: No they will only work with the 6s Q Does the pentlobe screws in the iphone 7 plus has any rubber gasket/seal on them? A: Im not sure haven't worked on one yet

Put the iPhone into Recovery mode, Hold the power and home button together for 15 seconds> Release the power button and continue to hold the home button until iTunes logo appears or iTunes detects it. Once your in Recovery Mode you'll need to hit restore. Then iTunes will download the .ipsw for the iPhone and then it will restore

Try to use a suction cup like the iSclack.

You probably have voice over turned on. to select a number double click the number you want to select. and if you do get in go into setting>general>asseciblity (I dont know how to spell it) > voice over and then turn off it

Well the 2nd gen part cost $24.95 (Click here to go to part) and the 1st gen part cost 17.95 (Click here to go to part) If you fixing it your self it shouldn't cost much cause if you have the tools then you only need the part but if you don't then you'll probably spend like 5-10 on parts which is not bad compared to what you'll spend at a shop. I you need a guide (Guide)

Have you tried booting into recovery mode ( Boot-loader) When I had an S3 my android didn't want to turn on so I connected it to my PC and tired to power it on at first I heard the connection sound but It immediately disconnected, so I went I tried to boot into recovery mode and the Phone turned on and I just choose the option Reboot now and I got it working. Entering recovery mode (1) Press and Hold the Power Button, Volume Up Button and the Home Buttons at the Same Time (2) Continue Holding These Buttons Until You See Some Blue Text at the Top (3) When You See the ‘Recovery Booting….” Text, Then Let Go of These Buttons (4) Wait Until the Galaxy S6 Fully Boots into the Recovery Mode (5) Now you are in recovery mode