Open the Samsung members app. Click on community. Then click on the pen icon. Then write a title. Then click on next on the keyboard. Then click on the '+' icon. Click on gallery. Choose a picture and click on done. Click on select forum, click on Galaxy gallery Then again Galaxy gallery. Click on OK. Click on post. 
Garden Flowers 
Finally got One UI 7.0 on my S23 Ultra Korean variant 
Shot on m34 5g
