Auto shut down problem & battery drain issue via OnePlus 5T

  1. A1562172941247
    Cupcake Dec 1, 2020

    A1562172941247 , via OnePlus 5T , Dec 1, 2020 :
    After recent update 10.0.1 I have been facing auto shut down problem every now and then. How ever every time , I switch on my cell ,I found phone battery level very low comparing before shut down.
    Please help me to identify the root cause and solve it.
    Thank you.
    Email : sadman.sakib001@hotmail.com