Worst place to go fix your screen!

I went to get a screen replacement at wefix and they fixed my screen.They couldn’t check if the screen was functioning properly because my phone had been disabled and still had to go to Apple to open it.When I was done at Apple after my phone was unlocked I realized that my screen was not functioning at the top,I couldn’t press anything at the top.The lady at WeFix said that once I leave the store I can’t come back for them to check if the screen is functioning or not and now I’m stuck with a screen that doesn’t function properly