Network

Share network queries, including support on 5G, roaming, blocking and reporting numbers, switching your number and more.

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How to ensure your phone is ready for the 3G switch off

We've phased out our 3G network in most areas around the UK. Please check your settings are correctly enabled to be able to connect to our network. Here’s how to check you have the right settings for 4G data and 4G Calling (VoLTE) connectivity;   1. ...

JonathanB by Community Moderator
  • 15224 Views
  • 22 replies
  • 2 likes

4G Calling Abroad

Whether it’s for that just in case of emergency call, or so you can give your family and friends back home a moment by moment playback of your time away, staying connected whilst abroad is really important. Many networks around the world are already ...

JonathanB by Community Moderator
  • 5625 Views
  • 2 replies
  • 3 likes

SMSC Number

Googling for the 3 SMSC number comes up with:Checking your text service centre number.To check your text service centre number on your device:From the homescreen, tap AppsTap MessagingTap MenuTap SettingsScroll to and tap Message CentreThe message ce...

CRUMBS by Regular
  • 6082 Views
  • 4 replies
  • 0 likes

Best solution Number transfer issue

I recently changed to Three on a contract with a new iPhone 13 and requested a number transfer.  I have had a text today telling me the number has been transferred but my mum sent me a text message and I haven’t received it.  If I text her, it says o...

fordybee by Fledgling
  • 3310 Views
  • 1 replies
  • 0 likes

SMS messages not sending

A couple of months ago I transfered my number from ID to Three on a new iPhone 15.  Since then I’ve had problems sending normal SMS messages - they just end up saying message sending failed.weird thing is, the problem is intermittent.  For some peopl...

Elkingdl by Fledgling
  • 3187 Views
  • 7 replies
  • 1 likes

Trouble with online Pac Code form

I am having trouble trying to move my old phone number across to Three.I fill out the online form and it keeps saying "We are having trouble processing this, please try again later".Can anyone help?

4G Home Broadband in Fife

Hi - any chance of a technical update on the mast that’s meant to be upgrading in the KY12 postcode area in Fife? For the past 5 weeks we’re getting a very patchy 2mbps download at best - despite a 4 bar signal on the 4G Hub - so we can’t do much at ...

Kiwizoo by Fledgling
  • 1111 Views
  • 1 replies
  • 0 likes

Unable to complete voicemail setup

I just migrated from o2 to three, and finished porting my number. I found visual voicemail doesn't work on my iPhone, and it said I needed to call. I call, and it says I need to set it up, fine. I set my pin, record my name, and when I try to record ...

keif by Fledgling
  • 2789 Views
  • 1 replies
  • 0 likes

Server migration - Part 2

So my other (older) sim got disconnected from data services earlier and just went to re-register thinking Three would have this all figured out by now and nope.Got the account registered and a £35 data addon I put on it on 30/10 has vanished and now ...

GmanX by Active
  • 1211 Views
  • 2 replies
  • 0 likes