See this XDA thread:
Because it just came out.
Check this XDA thread:
Water damage is pretty much impossible to fix by yourself. Your best option is to take it to a service center and get it fixed not under warranty....
You cannot flash these files in stock recovery, no. You need a PC to flash TWRP using fastboot.
No, moderators are normal users who have extra capabilities of moderating this community. They don't work for OnePlus but can directly communicate...