crwdns2933897:0crwdne2933897:0

Phone volume has gone down considerably after Android 11 update

After Android 11 update, phone performance has gone down. Most noticeable is the volume. I have downgraded it to Android 10, but still volume is low. What to do?

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

crwdns2934109:0crwdne2934109:0

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