Using an Android device as a payload injector is a common alternative to using a PC or a dedicated RCM dongle for booting custom firmware (CFW) on unpatched Nintendo Switch consoles. This method leverages the USB On-The-Go (OTG)
| Issue | Android-specific Solution | | :--- | :--- | | | Implement retry loop with 500ms delay after first write | | Permission denied | Use Intent.ACTION_USB_DEVICE_ATTACHED broadcast receiver | | Payload size > 1MB | Split payload into 1024-byte chunks, send sequentially | | Battery drain on phone | Disable USB charging via sysfs ( echo 0 > /sys/class/power_supply/usb/device/disable_charger ) |
According to the Fusée Gelée spec:
Using an Android device as a payload injector is a common alternative to using a PC or a dedicated RCM dongle for booting custom firmware (CFW) on unpatched Nintendo Switch consoles. This method leverages the USB On-The-Go (OTG)
| Issue | Android-specific Solution | | :--- | :--- | | | Implement retry loop with 500ms delay after first write | | Permission denied | Use Intent.ACTION_USB_DEVICE_ATTACHED broadcast receiver | | Payload size > 1MB | Split payload into 1024-byte chunks, send sequentially | | Battery drain on phone | Disable USB charging via sysfs ( echo 0 > /sys/class/power_supply/usb/device/disable_charger ) | switch payload injector android
According to the Fusée Gelée spec: