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4G network will not activate

Forum|Forum|9 months ago
November 9, 2025
10 replies
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I have recently swapped my phone but I keep getting ‘not registered on network’ errors when trying to make outbound calls. Incoming calls appear to be going straight to answerphone. Also, although not sure if it’s connected, the 4G network will not activate either. Any ideas?

Best answer by WelshPaul

It’s likely a different firmware variant is installed. Was it originally supplied by another network?

Geluk

Silver Contributor

Does 4G show as icon on phone?

Suggest you pursue via ID Chat.

Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

A

AlSherrenAuthor

Active Contributor

Does 4G show as icon on phone?

Suggest you pursue via ID Chat.

It doesn’t no. I will try that thanks.

WelshPaul

Platinum  Contributor

What device are you using?

I have no affiliation whatsoever with iD Mobile or any subsidiary companies. Comments posted are entirely of my own opinion. Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

A

AlSherrenAuthor

Active Contributor

What device are you using?

Samsung S8 Edge

WelshPaul

Platinum  Contributor

That’s an old phone and it’s not on the iD Mobile approved device list.

I have no affiliation whatsoever with iD Mobile or any subsidiary companies. Comments posted are entirely of my own opinion. Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

A

AlSherrenAuthor

Active Contributor

That’s an old phone and it’s not on the iD Mobile approved device list.

It was working fine on my other Samsung S8 Edge phone that I was using one - two weeks ago.

WelshPaulAnswer

Platinum  Contributor

It’s likely a different firmware variant is installed. Was it originally supplied by another network?

I have no affiliation whatsoever with iD Mobile or any subsidiary companies. Comments posted are entirely of my own opinion. Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

A

AlSherrenAuthor

Active Contributor

It’s likely a different firmware variant is installed. Was it originally supplied by another network?

yes it was

M

Michael Z

iD Mobile Employee

Hi @AlSherren,

Could you please confirm the model number of the Samsung Galaxy S8 Edge you are currently using?

The SM-G950F model supports 4G LTE, and it’s possible that the device you’re currently using may be a different variant that does not fully support 4G. This could explain the issue you’re experiencing.

You can check the model number by going to Settings > About phone on your device.

-Michael Z

Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

WelshPaul

Platinum  Contributor

You need to flash the phone with a UK Generic firmware variant.

I have no affiliation whatsoever with iD Mobile or any subsidiary companies. Comments posted are entirely of my own opinion. Did my comment help answer your question? If so, don't forget to mark the response as the Most Helpful Answer.

4G network will not activate

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