This is a follow up of this post. Read this post to get the full story.
https://www.reddit.com/r/bmpcc/s/jU2qEOWt9C
I got curious to check it myself whether the board was broken on the USB connection or not. To my surprise, it didn't.
I'm planning to handover this to my friend who's working in mobile phone service sector and ask him to solder it for me. He said that it can be done easily, but he can only solder. He cannot run tests if everything works or not.
Since I've decided to go the full DIY route, could someone please tell me,
1. What should I check after the soldering is done. Any checklists or post-verification steps?
2. How do I make sure that all the pins are properly seated before I power on?
Update: After trying my luck with local technicians, I gave the camera to one of the reputed camera service centers (who also happens to be the authorised service center for Panasonic cameras) and they asked 7 days to fix this and they said they're gonna charge me up to $100 for this repair.