RadioLink Electronic Limited
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Note:
1.
You need to open the upgrade software and click Connect before you can press the power T8S button. If
the T8S is turned on when or before you click “Connect”, it will cause connection failed.
2.
If you press T8S power button, but T8S cannot be turned on, this may be caused by firmware error. This
problem can be solved by connecting the firmware upgrade software and upgrade the V835 or higher version
firmware.
If this still doesn’t work, please open the shell of T8S, disco
nnect the battery of the T8S, and then
upgrade correct firmware. After the firmware is upgraded successfully, then connect the battery.