Do I need to activate NFC service on my debit card before using samsung pay in mPOS machine ?

I have been using GOOD LOCK for a long time , never before I have encountered such issue . From last week GOOD LOCK feature ',home up' section is not working for some reason . Settings i use This is how it looks when good lock is working After you lo...

Sometimes when I double press side key to launch camera , it starts dialling emergency number . How can I disable the emergency number permanently .