Charuteiro

Format a memory card in-camera first, then copy firmware onto newly formatted card. Turn camera ON to install new firmware. Confirm firmware version from Setup menu. Re-format card in-camera to ...

GR II no can do...

For GR-II: 1.  Put camera in manual focus mode; 2.  Set focus to desired distance using AFL and back AF button; 3.  Register focus distance in user settings box; 4.  Assign settings to mode dial ...

These GR-II posts may be helpful... GR II Wifi Explanation (GR Remote App) Wifi file transfer to windows machine

GR-II has a flash, GR-III not.

Electric Toothbrush Trick??? https://www.dpreview.com/forums/post/65044594 Wash Machine Spin Cycle Trick??? https://www.dpreview.com/forums/post/65069500

RAW + JPG :   You can use in-camera RAW Development to tune image settings and then customize your presets.