What to do when touch is not working on my Xiaomi Redmi Note 4?

I dropped just the top of my phone in water and it immediately went black. I soaked it in rice for 24 hours and it still wouldn't turn on. I brought it to a repair place where they cleaned it etc. They were able to get it to turn on, but I can't use it because the screen does not respond to my touch. They said it's a malfunction of the digitizer and for some reason there was nothing they could do. Is there any way to fix this? The screen isn't cracked or anything, the display is fine. If I replace the digitizer with one of your kits, should that fix the problem? What else can I do? they changed my screen too but..still the touch not detect... help me...pls.. I use Redmi note 4

Hi Firdaus. That sucks. Unfortuantely, if the digitizer is broken, you will have to replace the whole display.

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