Soldering
To solder anything RC related a 75 + watt soldering iron would be recommended with a large tip to 'hold' the heat. Most modern electronics will use modern lead free solder and this requires you to be a bit quicker with the soldering process.
If in doubt use good old fashioned tin lead solder with a multicore flux.
Best technique is to 'wet' the soldering iron tip with new solder and hold against the item you are trying to de-solder. New solder will transfer the heat much more effectively than just an iron tip on its own.
Speed is important - if you cannot do a solder joint in under a few seconds you probably need to go for a higher wattage iron with a larger tip than you have and you may cause damage to the electronics by overheating for too long.
Good Luck !
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