Have you tested a new battery? Often times it's either one or the other, sometimes both.

Use this teardown to start your water damage repair. Then use the Water Damage Guide for how to clean up the phone. Be very careful. The guide really is important because you don't want further corrosion in your phone. If you are able to get the phone to turn on, but have no display, you will definitely need to replace your screen. Follow this guide for the screen replacement, then another for the home button, and lastly, one for your front camera assembly. The home button, camera, and LCD shield will need to be transferred since they do not come with the new screen. Definitely be careful with the home button as you will lose touch ID if you ever have to replace it.

First things first, use the teardown to complete a water damage repair on your phone. Test it out again. If you need to replace the cameras, here is the guide for the front facing camera assembly and then therear camera as well. Here are the parts you will need: iPhone 6 Plus Front Camera and Sensor Cable iPhone 6 Plus Rear Camera Smartphone Repair Kit Good luck and keep us posted!

In my shop, we use a food dehydrator. You can adjust the temperature and have multiple things in it. Set it at 155 degrees and you're good to go. Here is a nice one that you could look at. http://www.ebay.com/itm/like/32221571596...

Hi there! There are plenty of tricks you can do in order to get out stripped screws. First, please see our guide on how to do it. There are also tools available in the shop just for this purpose. Good luck and keep us posted!

"Below are the possible methods to fix iTunes error 29 and complete the restore / update process: Problem with the Battery - Did you changed the iPhone battery recently? If you have changed the battery of your device, this can be the problem because you got error 29 in iTunes. To fix the error 29, you need to replace your battery with the original one, and start the restore / update process again via iTunes. Problem with the Antivirus - If the iTunes Error 29 shows up due to a software bug, then it could be for the antivirus software installed on an iPhone. If the error-showing smartphone has an antivirus software, then the users should prompt the following – update the antivirus first from the iTunes App Store, restart the device and check whether the error has been fixed. If it’s not, then complete removal of the antivirus program might work. This is the most popular and accurately working fix for the Error 29 trouble. Problem with iTunes - Software update or factory reset using iTunes requires the...

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Use this teardown to start your water damage repair. Then use the Water Damage Guide for how to clean up the phone. Be very careful. The guide really is important because you don't want further corrosion in your phone. Once everything is taken care of, you will definitely need to replace your screen. Follow this guide for the screen replacement, then another for the home button, and lastly, one for your front camera assembly. The home button, camera, and LCD shield will need to be transferred since they do not come with the new screen. Definitely be careful with the home button as you will lose touch ID if you ever have to replace it.

The image is burned into the LCD and would need to be replaced. Unfortunately the part is not available through iFixit yet, so here is a link to where you can get it. Please double check the model number on the back and select the proper one for your phone. Here is a good video on how to get the repair done. Good luck and keep us posted.

Did you follow the guide exactly? I would recommend going back and making sure your cables are all properly connected. If it still doesn't work, it could be the screen itself, the cables, or board damage to the port.