Is battery backup reduced after upadte. is there any cons after update

After update is good lock available?And after update is any there any issue

Circle to search available hai ya nehi and camera par kuch upgrade hua hai?

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Hi,I’m using the Samsung M33 and M35. Yesterday, I received the One UI 7 (Android 15) update. Should I install it now or wait? Are there any bugs or issues? I also saw some YouTube channels mentioning a green line issue after the update. Can anyone c...