FW Update Pro Max (v2.13 - two.thirteen), Prime+ (v2.4), and Pure (v2.4):
- Fixed empty battery detection and indication.
- Recalibration function: In case of misfires, go to TTL mode, hold the pilot/test button for 6 seconds to start recalibration (indicated by "CAL"). The strobe will emit 5-10 high-intensity flashes to complete.
- Improved pilot light, reducing flickering with 8xAA.
- Other minor improvements.
Includes FW4.2 (renamed 3.13) for Pro X/Prime X, FW4.5 (renamed 4.3) for PRO/Prime.