help its black screen glitchy

I was prying open my iphone 11 for a screen replacement and accidentally turned it on what do I do it looks horrible. for context, my phone's at 5%

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2947414:01crwdne2947414:0:

You'll be fine just get the metal cowling that covers the battery flex cable off and disconnect the battery before proceeding any further

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0