Original topic:

Issues with mobile data when both SIMs are enabled (A33 5G)

(Topic created: 07-02-2025 04:43 AM)
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mrfree
Constellation
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A Series & Other Mobile

I'm experiencing a peculiar issue affecting mobile data when both SIMs are active on my Samsung A33 5G. I'm running the latest available software (One UI 7 on Android 15).

Here's the rundown:

  • The Problem: When both SIMs are enabled, SIM_1's mobile data becomes incredibly slow, with significant delays (5-6 seconds or more) for incoming traffic. This leads to app timeouts and makes even basic browse impossible.

  • Observations: The mobile data icon suggests data is being sent, but the issue seems to be with receiving data.

  • What Works:

    • If I use SIM_1 alone in another phone, data works perfectly.

    • If I disable SIM_2 on my A33, SIM_1's data connection functions without a hitch.

Has anyone else encountered a similar issue with their dual-SIM phone? Any insights or potential solutions would be greatly appreciated!

1 Reply
Samsung_Moderator
Community Manager
Community Manager
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A Series & Other Mobile

Thanks for reaching out. Support for US products is the focus of this forum. As your device is a non-US model information is severely limited. We kindly suggest that you use this link to look for a support team in the area your product was manufactured in: https://www.samsung.com/us/common/visitlocationsite/

Additionally, if you scroll to the bottom of the page on the website for your region, you might discover that your nation provides its very own support forums, just like this one! Just look for the Community Option.

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