“The E-M1 3.0 firmware is already available on the Olympus website, the download link is: http://dl01.olympus-imaging.com/OLYMPUS_MASTER/FIRMWARES/0001/1090/OLY_E_109_3001_0000_0000.BIN
One can update it using the SD card method:
1. rename the downloaded file to “E1092100.BIN”
2. put the file into a folder called “DCOLYMP” on the SD card.
3. start the camera while pushing the OK button. The red LED will go on for a while.
4. when the red LED is flashing on/off you know, restart the camera now and all is done”