The new firmware is suitable for FI9821W V2.1, FI9821EP, FI9821P V2, FI9826P V2, FI9831P V2.

System firmware version:1.5.2.11
App firmware version:2.x.1.143
Plug-in version:3.1.0.10

New features:
1. Add Korean interface;
2. Add "Enter the Local Folder" feature under Record--Storage Location.

Improvements:
1. Optimized MJ video stream transmission;
2. Fix the issue cannot login the camera remotely using https on Safari browser;
3. Fix the issue login failed when the password contains special parameters.
