S25 ultra no data but can make calls

[EMJC]

Hi, I just got my s25 ultra and today I could not get data to work. It's telling me I don't have data but I have unlimited. I called my provider and no issue in their end. Swap my Sim to another phone and data works. Is anyone else having this issue? I have a week to return the phone. Is this a known issue? Kindly help. 

[RobertZ]

Try someone else's SIM in your phone?

If your SIM card isn't a recent one, try a new one?

Maybe the SIM tray is finicky?

Try using an eSIM (unless swapping back to a regular SIM would be an issue)?

Factory reset?

[EMJC]

Going back to physical Sim is an issue.

[EMJC]

I tried my Sim on my s24 and data works, just this phone. I will try another sim.

[RedDogRabbit]

Try Resetting the Network Settings. 

Go to Settings & Search for "Reset", you don't want to Factory Reset (just yet), But Resetting the Network Settings may resolve the issue?

Older SIMs could also be a problem, however unlikely that may seem. 

[AWHOOHSTYLE]

Your motherboard cell radio is bad, you need to get a replacement

[Sonofsam]

Did you tru messing around with network operator setting?
Try selecting your provider as opposed to auto.

[Helenna]

Hi EMJC,

We are sorry to hear that your Galaxy S25 Ultra experiencing a network configuration issue. Did you try resetting your network settings? Also, please try Manually selecting the network operator this can sometimes resolve connectivity issues. Go to Settings > Connections > Mobile Networks > Network Operators and try selecting your carrier manually.

Please let us know if any of the steps worked for you.

Thank you.