Download Open Sx1 23042021 Bin -

is based on the NationalChip GX6605S chipset, and this firmware version is often sought out for its reliable balance of features.

: It is strongly recommended to back up your current channel list (dump) and settings before flashing. Download Open SX1 23042021 bin

: Do not power off the device during the update, as this can result in a "bricked" receiver (boot loop). User Verdict This specific version is considered a "classic" for the is based on the NationalChip GX6605S chipset, and

: Insert the USB into the receiver, navigate to Menu > Settings > Software Update > USB Upgrade , select the file, and start the update. select the file