hubsan h109s x4 pro drone

hi,i have a HUBSAN H109S X4 PRO STANDARD EDITION DRONE and i need help repairing it.i cant start the motors and all im getting is a message on the control display saying check gyro sensor.and im not getting any readings on the display ie roll,pitch,heading.also i cut a wire which needs replacing,i think its a 2.4G directional antenna.can you help me fix it.thanks Karen

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