My note 4 nfc is always enabled. but in gray color toggle. its not working. Can you guys check attachment ?? is nfc related to battery??

Recently i was visited a beach. I tried to take photos while playing in sea water. After sometimes a smart alert shows moisture detected on charger port. after this incident the phone not charging.

Hii bought s8+ from saudi, and used it only couple of minutes. but when i back to india and put the indian career sim the phone showing sim is locked. I tried with PUK but nothing help for me.Is there anyone face this issue.??

hii got an new updates for my note 4..

Hii got February security patch for my note 4. Its around 230 MB.