I'm faceing issue with eye strain ,low grade camera quality i expet more but its working like 20k mobile in service center every this is good but not impreesed

After updating to new software I'm notSatisfied with s 23 ultra1. response and touch delay2. Smoothness of the phone is missing3.camera quality was very bad totally4.screen brightness in sun was not enough5.charging

Inter face lagBit strucks when open apps and other activitiesNot that smooth running has to improve screenrefresh rate I'm not feeling 120 htzAdd new wallpaperWhen we are using you tubestruggling to move