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  1. O

    JJRC H12C Frequency Adjustment does not work.

    Thank you very much for your advice. Iwill check the antenna.
  2. O

    JJRC H12C Frequency Adjustment does not work.

    Good Morning members, I have the JJRC H12C quadcopter and last day I lost the frequency connectivity between quadcopter and remote controller. Ι can not moderate. I followed the manual's procedure but without any result. The lights on quadcopter are flashing very fast with high frequency...
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