topic Anyone have dual SIM problems again? in Questions

Anyone have dual SIM problems again?

dja2k — Thu, 28 Sep 2023 21:39:24 GMT

On current OneUI 6.0 beta 5 and my phone keeps changing my SIM default. I have 1 SIM card and one eSIM. I always use my eSIM as default primary but it keeps switching back to SIM card.

I find out cause when I text, I see it is sending it from SIM Card line.

Re: Anyone have dual SIM problems again?

Borite — Thu, 28 Sep 2023 22:20:23 GMT

I was having have that problem also but not as frequent. You can turn off the option for data switching. If you go to sim manager in settings, you can turn it off. What it does when on is to switch networks if one is not working. I believe that is the root of cause.

Re: Anyone have dual SIM problems again?

flipmcgee — Fri, 29 Sep 2023 14:45:52 GMT

This problem is happening to me right now. The only way to make it chose the correct card is to turn off the other card so that only the one you want to be primary is active, Restart, then go back and activate the secondary card. It appears to stay however I am unable to use the member app to post Beta issues because it says my carrier has changed regardless of the card that is primary.

Re: Anyone have dual SIM problems again?

dja2k — Fri, 29 Sep 2023 19:31:25 GMT

I tried to disable data switching but my texts are still trying to used the other line and fail to download. It was working great, new Beta broke something. 😡

Update
Just tried to put my primary as default and it goes on a loop trying to change it

Re: Anyone have dual SIM problems again?

dja2k — Fri, 29 Sep 2023 23:33:10 GMT

Now my mobile data is disabled and says insert SIM card to access network services 😡

Re: Anyone have dual SIM problems again?

toastiscrunchy — Sat, 30 Sep 2023 05:57:43 GMT

Yes, i am having this problem. My eSIM keeps switching back to my physical SIM without me changing it on purpose. I set it to my eSIM as the primary SIM, then within like half an hour it has changed back to the physical SIM with no input from me. This is super bad for me and I never had this problem until (i think) the last update. Please fix.

Re: Anyone have dual SIM problems again?

USBetaModerator2 — Mon, 02 Oct 2023 18:22:23 GMT

Hello,
Thank you for your feedback.

You can select which SIM (physical or eSIM) the device uses when sending messages or making outgoing calls. This does not change your primary SIM (Settings > Connections > SIM Manager). If you used a physical SIM to send a message to a contact, that SIM will be used when sending a message to that contact unless you change it in the Message composer window.

If you are noticing a different behavior, please use the latest Samsung Members app to submit an error report (Samusng Members One UI Beta Program Beta Feedback Error Report.

Note: To ensure relevant log information is included in the error report, submit the report within 3 minutes of encountering the bug or error, and do not terminate (swipe away) the Samsung Members application until you are notified that the report has been sent. This can take up to 5 minutes.

- To provide UX or UI-related feedback, such as usability or feature suggestions, select "Beta community Suggestions" in the Beta recruitment notice of Samsung Members app.

We appreciate your contribution to the Beta Program.

Regards,
One UI Beta Team

Re: Anyone have dual SIM problems again?

dja2k — Wed, 04 Oct 2023 00:46:28 GMT

Sorry I don't have time to submit a report at the moment but something is definitely broke. Just had to do a bunch of turn on turn off sim's to get back in here as Memebers app said I changed providers 😞

Re: Anyone have dual SIM problems again?

dja2k — Thu, 05 Oct 2023 01:31:25 GMT

Weird my texts weren't coming in and enabled messages by Google and everything works there

Re: Anyone have dual SIM problems again?

dja2k — Mon, 09 Oct 2023 05:20:28 GMT

Ok back after reverting back to OneUI 5 which worked flawless. Then installed latest OneUI 6 Beta 6 and from what I see is working. Time will tell if this problem is fixed.

Re: Anyone have dual SIM problems again?

dja2k — Wed, 11 Oct 2023 18:46:28 GMT

Oh man happened again this morning though a restart fixed it. Can't belive Beta 6 is closet to final build and this problem hasn't been fixed completely.

Re: Anyone have dual SIM problems again?

KiwiBird97 — Tue, 31 Oct 2023 07:03:36 GMT

Well, unfortunately, we've got some sad news to share with you. Without an official announcement, it seems that Samsung has decided to end support for foreign SIMs completely (rather than just limiting the functionality) on US variants, but will continue to support international variants. For U/U1 variants only, here's what's going to happen:
• Except for a few European countries (including Germany and Sweden), any physical SIM from a carrier outside of the US and Puerto Rico will no longer work, not even from South Korea, Canada, Mexico, the Caribbean, Latin America, CIS, Middle East, India, Asia Pacific, or CN/HK/TW, just like it was back before unlocked devices officially debuted in the United States in 2016. In other words, unlocked devices were not meant to be sold in the US in the first place. Even after a carrier unlock, newer devices released since 2023 would still remain locked to the US and Puerto Rico.
• For foreign eSIMs, you will no longer be able to add them from eSIM transfers. Existing eSIMs may continue to work depending on the carrier. You cannot use Open (1st screenshot) or Search for eSIMs or Scan QR Code (2nd screenshot) as methods for activating foreign eSIMs.
• If you scan a QR code and it could not be read for any reason, it may show an error instead of showing the Enter Activation Code screen (notice that the Enter Activation Code button is no longer there in the 3rd screenshot). Furthermore, any eSIMs solely relying on manual activation code entry will no longer be supported.
• As always, eSIMs from carriers and MVNOs not listed can still be added as new activations, provided they are from the US and Puerto Rico.
• Roaming will continue to work as usual.
(The last ever truly unlocked phones worldwide were the Galaxy S22, Z Fold 4, and Z Flip 4.)

Re: Anyone have dual SIM problems again?

Andres_Villa66 — Fri, 17 Nov 2023 14:43:34 GMT

Hi everyone,

Have anyone tried to disable the "Data Switching" option in Settings / Connections / SIM manager ?

It says that switch the SIM when data in the selected SIM cannot connect.

Updated. I didn't fixed the problem. It keep changing the preferred SIM without any notice.