Original topic:

S25 ultra network problems

(Topic created on: 02-03-2025 07:04 PM)
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Gabro08
Active Level 2
Options
Galaxy S
On Jan. 23 I happily pre-ordered the s25 ultra. I received it on Friday 31. In my house the phone worked perfectly fine while connected to my wifi. Today I went to my job and I noticed that my phone network was jumping from on to off like 6 times per minute. Especially when I was in a 5G area. So I couldn't call, I couldn't use the internet I literally couldn't use my phone because the network was not working. 
I came here to try to solve the problem following all the steps and nothing worked. I contacted tech support and nothing worked. They asked me to go to a technician 45 min away from me to fix a NEW PHONE that cost me 2100 dollars plus taxes. 
I contacted tech support again and asked them to get a refund or get another phone and they have been ignoring me.
This has been the worst experience I've had with Samsung. All my devices are Samsung (Watch, earbuds, tablet everything) and I can't believe they just sent me a DEFECTIVE 2 thousand dollars phone S25 Ultra.

Attached all the proofs 

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SMurtaza
Active Level 3
Galaxy S
Try again with other rep.
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Helenna
Moderator
Moderator
Options
Galaxy S

Hi Gabro08,

That’s incredibly frustrating, and we completely understand why you’re upset. We sincerely apologize for the inconvenience caused to you.

As said by RedDogRabbit, even if the SIM works in another device, it doesn’t guarantee it’s fully compatible with the S25 Ultra's modem or network settings. 

Switch to eSIM: Go to Settings > Connections > SIM manager Select Add eSIM and follow the steps to activate it.

Request a New SIM Card Some older or defective SIMs may not work properly with new 5G modems, even if they work fine in another device. A brand-new SIM from your carrier might fix the issue.

Thank you for reaching out.

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Gabro08
Active Level 2
Galaxy S
Thank you for the information. I'm doing that today and will let you know how it goes.
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Gabro08
Active Level 2
Galaxy S
Hello, I requested the new 5G SIM and nothing has changed, I just have connectivity LTE 😞
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RedDogRabbit
Expert Level 5
Galaxy S

Return the phone, it should still be within the "no questions asked" return period for Samsung. 

Without me reading through this entire thread again, did you run the Diagnostics for your device, using the Samsung Members app / Support / Phone Diagnostics? 

If you did, did you get any error messages for Mobile Data Connectivity? 

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Gabro08
Active Level 2
Galaxy S
I'm going to run it completely today and see
Gabro08
Active Level 2
Galaxy S
I ran the test I it said I have a network problem 1739046203365.jpg
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RedDogRabbit
Expert Level 5
Galaxy S

Yeah, I would definitely return it to Samsung. Keep a copy of the error report for your records! 

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Gabro08
Active Level 2
Galaxy S
Yeah, I just called them now and they are going to replace it
RedDogRabbit
Expert Level 5
Galaxy S

Good to hear 👍🏻

Getting a brand new device serviced makes no sense! A replacement is the only way to go!