I believe this happens on android phones (Samsung?) when using two SIMS/eSIMS. 

Thanks Paul. It is a Samsung phone (S25 Ultra) but this is the only SIM I have (it came with the phone when I bought it).  I’ve never had an eSIM before so wasn’t sure.  It’s really annoying and surely it can’t be normal. It may be that I’ve got a bad eSIM?

I had this when I had a Samsung, but only when I had a physical SIM inserted in the phone and an active eSIM. Two lines basically! It didn’t happen when I had just a physical SIM. I cannot confirm if this is normal if you have just an eSIM installed, simply because I never had just a single eSIM installed on my Samsung. It might be normal!

Try asking over on the Samsung community forums, link below:

https://eu.community.samsung.com/t5/galaxy-s25-series/bd-p/galaxy-s25-uk

Thank you Paul

I just tested it with a Samsung S21 Plus and I can confirm it’s normal. My S21 Plus does exactly the same thing.

Thanks again Paul.  It’s annoying so I guess I’ll just have to get a normal SIM.  All the best.

Thanks for your advice ​@WelshPaul !

​@Bannerman  if you just want a physical SIM, you can pick one up in any Currys store, or we can send one out.

Thanks.

Thank you Siân