NINTENDO SWITCH JOY CONS Randomly disconnecting. Can I fix this?

My switch controllers would randomly disconnect during handheld gameplay so I decided it was time to find out why..... Lets take it apart. check out tronicsfix, a great channel with amazing repair content. and as always ..... the perfect amount of thermal paste.    / tronicsfix   check out the Cod3rs channel, live streamed repairs and a proper nice bloke.    / thecod3r   Link for Replacement switch Rails https://www.ebay.co.uk/itm/2336366350...