iPhone6s screen is blank but still works.
Yesterday, I replaced the battery in my phone and it worked just fine afterwards. But today, the screen has randomly stopped working. The phone still works fine since I can make/take calls, use siri, put in my passcode, but I just can’t see anything on the screen whilst I’m doing it and so I am guessing if I am pressing the right thing or not. The screen doesn’t stay off forever; it stopped working twice today and I just left it on the table and about 30mins to an hour later, it works. But after a bit of time it turns off again.
I looked on Google and tried the hard reset of the phone. I also tried opening up the phone again and making sure that the screen connectors were put in place properly. These didn’t work.
Will I need to give it to a repair shop?