Your phone won't stop working obviously just by opening the phone, ask them why it would stop working. I think they are playing it safe from there side. Ask them to open the phone in front of you, if there's no water damage, insist them to change the...
If your device is less than 3 years old and there's no scratch marks on the display and frame, you can avail free screen replacement from Samsung service centre.If it's more than 3 years old, follow these steps:https://www.samsung.com/in/support/emai...
https://www.samsung.com/in/support/email-the-ceo/1. Mail the service head first, explain your case2. If they don't cooperate, email the CEO then, also tell them that you were denied help from Service Centre and Service Head (do this ONLY when 1 fails...