crwdns2934241:0crwdne2934241:0 [deleted]

crwdns2934249:0crwdne2934249:0:

That is overfill. A substance used to protect components on the board. If you look it's all over the board. To remove it  you need to heat it up and gently scrape it off without damaging the board or anything else.

crwdns2915684:0crwdne2915684:0:

open