solder

Problem? I ordered a new front right arm and replaced it and after the operation it turned on fine but I did not fly it. I then turned it on again the next day and I did not get any image transmission and I got a warning in the app saying the load on the gimbal was too much and that I should...

Does anyone know the proper solder used on the Mavic? I'm replacing a rear arm. I have read here that the solder joints require high heat, so I'm assuming the solder is lead free. I don't know anything about this type of solder, so I'm not sure what to get. Alloy, temp, diameter, etc. Any...