It doesn’t help too. Morever, a procedure in manual is flawed. The sentence: “Click “ download “ then In the drop down menu change from “ download “ to “
firmware upgrade”, is impossible to execute, as after “download” menu start to be inactive. You can change the option into “firm upgrade” before you press download, but it also doesn’t work.
In summary, it is my forth watch and it seems simply broken, in a sense, that it doesn’t work. Any flashing is not possible, as computer immediately reports bad device, EVEN AFTER I switch a phone off. If I take into account my time consumed at fruitless efforts it seems it is highly unrecommendable divice.