My S7 edge cant last a full day anymore

My s7 edge at the beginning of march was like a god,it could survive 5-6 SOT. Until April update,my battery life decreased to 2-4 SOT. I went to Samsung service,they went through a checkup and everything seemed fine. For past months, every update my phone has been the same 3hrs SOT sometimes 4 hrs SOT. Im currently august patch,battery cant last full day.
I have to charge twice a day,even gaming for little will get me worried if it will last out a full day.
Factory reset 4x ,think of every solution on the web and nothing has helped.
My battery is still healthy though, ever since April patch and the next updates my battery has been the same 2-4hrs SOT.
s7 Edge exynos (Australia)
I use facebook,instagram and game a little a day,before April my battery was crazy now i have to be careful what I do in order for it to last. If someone had a solution,it would be nice as i want my 5-6 hrs SOT back.

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