Sim Slot 1 Not Working from One UI 2.5 update

[ishashankg]

Hello all,

To begin with, I am using S10+ Exenos. I have updated OneUI 2.5 yesterday. After updation, approx. 2 to 3 hrs later my Sim 1 slot says 'No Service'. I tried to cofigure network manually, but an error getting appered. I also swapped sim to 2nd slot and it is working fine. Image of the same attached. Kindly guide me what should I missed? Or any idea to resolve this issue? 

Thanks in advance!!

[ishashankg]

Thank you fellow members for your suggestions. My issue has been resolved by factory reset😇

[TimonN]

Great 👍

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for the inconvenience caused to you. We would request you to kindly send us the screenshot, video and error log file with in 15 minutes of issue occurrence through error report section from Samsung Member Application:-
Samsung member application > Click on get help > Send feedback > Error report, so that we can help you out with this.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support