what you'll need: App-controlled (Bluetooth via Hive SHOT app on iOS/Android); no .hex firmware file published for CX-series
GotchaCX-series fixtures (including the Bumble Bee 25-CX) are NOT listed on the firmware .hex download page, only C-series models (Hornet 200-C, Wasp 100-C, Bee 50-C) have downloadable firmware
GotchaCX-series are controlled via the Hive SHOT app (iOS: id1209171531 / Android: com.hive_shot) over Bluetooth; app-side updates may be transparent
GotchaNo USB firmware update mechanism or .hex file was found for any CX model on hivelighting.com as of research date