Chosen Solution
My wife’s sister’s iPhone 6 got some water damage. You can see everything on the screen, but it has lines, and the left side doesn’t respond to touch. I’ve replaced screens before, but usually after they’ve been cracked..not after water damage. Will replacing the screen fix the issue or are there likely some internals that are damaged?
The short answer is, there’s no way to be sure just how deep the issues go without trying it. If you’ve taken all the necessary precautions, and opened it up, dried it out, and are sure it’s ready to be operational, giving it a new display is likely worth a shot. If you get the display from iFixit, we have an amazing return policy where you can return it if it doesn’t fix your issue, and you’d only be out shipping in the worst case. Best of luck in your repair!
It’s not worth fixing get a refurbished I phone from Walmart.com