3.3 If the FW version is correct, please do factory reset.
Choose "Reset" and press "ENTER" key to do factory reset as figure 3.3 to 3.5.
Figure 3.3
3.4 After all the steps, FW upgrade is finished finally.
Press "ENTER",
Show "Doing"
Figure 3.5
31
Figure 3.4
Show "Done"
Reset ok!