How to degrade my Software?

[Antara]

Can anyone Please tell me, how can I degrade my Software Version? Bcoz, I'm facing many problems after the Oreo update and strangely, I've still not got the Bug Fix update. 

[Antara]

Thanks Everyone. My issue is resolved..

[rajavickykvp2008]

you go to Samsung service center then flash software's OEM version it is simply way to degrade OS

[rajavickykvp2008]

previous OS battery life was good but new OS is drain battery power,some time phone stuck, hanging and worst OS lot of problems accord