Question: Oneplus 8t Battery problem

[excalibur]

I'm a Oneplus 8t 12/256 user, the battery dies very quickly. is this a software problem? so will it be fixed with an update?

 

[plus8]

Hello, I just bought the device and I had a charging problem in the latest software version. I went back to the old version with msm tool. Charge is very good.