Two issues after update to Android 10

[newnews]

I downloaded full ROM(android 10, .110 version) and flashed which update my system from Android 9 to 10. I noticed two issues:
SIM1 icon is showing nothing except a small "1", it was ok(full bar) before upgrade. How to fix?
I had notification FOTAService to remind me to update android 10 version .73 when I am on Android P. Now I have updated to android 10 version .110, this notification is still there. How to get rid of this notification since I am on newer version?
EDIT: item #2 is fixed by tapping UPDATE NOW button, it starts downloading and immediately give error, and then it says "the system is up to date", no more notification.
see snapshot

[kooldude7285]

try switching to light theme... i guess there is no network... reset network setting....

[newnews]

kooldude7285

try switching to light theme... i guess there is no network... reset network setting....

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Switching to light theme/reset network settings doesn't help. Cellular coverage in my home is excellent, I have no issue to make calls, surf internet, download files, just no indication.

[akashkumar6076]

Try factory reset the phone mine was having volte issue factory reset helped. Try factory reset it may solve all your problems

[newnews]

akashkumar6076

Try factory reset the phone mine was having volte issue factory reset helped. Try factory reset it may solve all your problems

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Factory reset doesn't solve the problem.