Updating the firmware of your Replicas can often add new features, such as spatial audio, or fix known bugs. To do this, you can use one of the apps that are available for download.
Please note, however, that most of these apps are only available for Android devices.

Airoha

Airoha SDK New [Android]
Airoha 156x old [Android]

Multitool APK [Android] <– Message Teasy on Discord

Tigerbuilder | TB

FlyCC [Android]
FlyCC [iOS]

CloudCC [Android]

Haorui Bull | HR

Bullsuper [Android]
G&Link [iOS]

Sunflower | SF

Sunflower [Android]

BES Hengxuan | BES

Beehool [Android]
HBluetooth [iOS]

Huilian

StarFun [Android]
StarFun [iOS]

KingKong | RTL

KingKong [Android]