Update 5.5.5 Related to: App Update - Improvements and fixes for Grainfather G70 and G40 functionality - Fixed GCAST + G30 Delayed Heat issue - General bug fixes and improvements Related articles Update 5.6.2 - Android, 5.6.3 - iOS Update 5.6.0 Update 5.5.4 What efficiencies can I expect from the G40? Instructions - G40