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EVAL-HCRWATCH4Z Unresponsive after Firmware Update

Category: Hardware
Product Number: EVAL-HCRWATCH4Z


I have just tried to update the firmware of the EVAL-HCRWATCH4Z to 5.8 to be up to date for the python sdk.

I followed the instructions given here under the "1) Study watch firmware upgrade using andriod app". I managed to do it as written but when I got to step 9 the watch froze, see picture:

I have two of these watches and both are now unresponsive after trying to update the firmware as described. The second watch doesnt have anything on the display. I have tried every combination of button holds and nothing happens. I have tried plugging the watches in using the USB holder and nothing. 

Please let me know how I can get the watches to work again as I need them ASAP.

Kind regards,