Network

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

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Calling issue 23/01/2025 [UPDATED]

Hi everyone,UPDATE: Following an issue affecting voice calls yesterday, services have almost returned to normal overnight. Our monitoring has picked up an issue with calls connected via WiFI which we are investigating urgently. Today, we also expect ...

DanniD by Community Support Team
  • 7790 Views
  • 947 replies
  • 2 likes

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
  • 11440 Views
  • 19 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
  • 3898 Views
  • 2 replies
  • 3 likes

Sim Activ

Hi Team,Can you please assist with the activation of new number 

LKD by Fledgling
  • 921 Views
  • 1 replies
  • 0 likes

New to three community

Hi I am new three I just moved from sky to three. Since being with three I find it much better with signal and better internet connection,Data speeds. I hope that you will make feel welcome on the community and just say hello  

PUK

My sim is blocked and I need PUK code

Issues since joining Three

I cannot receive text messages after swapping to Three. I believe it is totally Three's fault as I have; reset my phone and every possible setting on my iPhone 13, Contact Apple Support who scanned my phone couple of times and found no issues, your c...

wasiuleq by Fledgling
  • 2047 Views
  • 4 replies
  • 0 likes

What on earth is going on with the 3 network!

Been having a NIGHTMARE with 3 network over the last few weeks & been with them on PAYG for years!Been trying to text / ring my customers but says NOT DELIVERED or CAN’T CONNECT my call, it randomly does it for some then not for others and YES i do h...

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
  • 5164 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
  • 2966 Views
  • 1 replies
  • 0 likes
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