USB cover doesn't open

There is a button on the side of the J3 to open the cover so you can connect a USB cord. Pushing the button or sliding it doesn’t open the cover. Any suggestions?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0