crwdns2933897:0crwdne2933897:0

What is the purpose of copper pads under the front camera?

I replaced Iphone XS housing. Afterwards I inspected the hollow old housing and noticed that I forgot to move those two copper pads that are underneath the front camera. What is the purpose of those pads and should I reopen and apply them?

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

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0