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Is iD Mobile down? How to check iD Mobile network status

The quickest way to confirm an iD Mobile outage is iD's service status page, which shows whether calls, texts, data and the app are working normally. For local faults, use the postcode status checker on iD's coverage page. iD runs on Three's network, so check the Three status page too. If nothing is listed, restart your phone.

Check the official network status

iD's service status page needs no login. It lists national status for voice calls, texts, mobile data, the iD website, My iD, the iD Mobile app, Live Chat, the contact centre and the 7777 automated line, and iD posts updates there during outages. For your own area, the Status checker tab on idmobile.co.uk/help-and-support/coverage takes a postcode and shows whether Three, iD's network partner, is fixing an issue, working on the network or seeing heavy usage nearby. It doesn't give a fix time. iD says that if an outage shows, there's no need to contact it, because Three will already be aware.

Official updates on X: @id_mobile_uk

Is it iD Mobile or your phone?

  1. Check iD's service status page. If calls, texts or data are marked as disrupted, it is a network fault and there is nothing to fix on your phone.
  2. Enter your postcode in the Status checker on iD's coverage page. It shows local faults, planned work and heavy usage on Three's network, which iD runs on, so the Three status page is worth checking too.
  3. Ask someone nearby on Three, SMARTY or Superdrug Mobile, which use the same network. If their phone works and yours does not, the problem is more likely your phone, SIM or account.
  4. Log in to the iD Mobile app or My iD and check you have allowance left, no payment is outstanding and the Block your SIM or eSIM switch is off.
  5. Restart your phone and check 4G (VoLTE) Calling is on. iD says your phone must use VoLTE for calls now that 3G is being switched off, and on a dual-SIM phone the iD SIM must be in slot 1.
  6. If you have Wi-Fi, try Wi-Fi Calling. If a call works over Wi-Fi, your SIM and account are fine and the problem is local signal. Downdetector (downdetector.co.uk/status/id-mobile/) shows user reports, not iD data.

Outage, or weak signal where you are?

If iD Mobile's checker shows no known problem, check how strong its signal should be at your postcode. This uses Ofcom's coverage data, not live status.

Try:

iD Mobile runs on Three

iD Mobile has no masts of its own. It uses Three's network, so a Three outage usually affects iD Mobile and these other brands too.

Three SMARTY Superdrug Mobile

iD Mobile not working? Fixes to try

No signal or SOS only

Check the service status page and the postcode status checker first. Then do what iD calls a manual roam: turn off automatic network selection, pick Vodafone, EE or O2, wait a minute, then switch back to automatic so the phone registers on the network again.

Texts and data work but calls fail

iD says your phone must use 4G (VoLTE) Calling for calls as 3G is switched off, and older phones that rely on 3G for calls no longer work. Turn on 4G and VoLTE Calling, put the iD SIM in slot 1 on a dual-SIM phone, and update the software. Some Samsung phones with network-specific firmware can't use VoLTE on iD. Dialling #330*0000# clears any call barring.

Mobile data not working

Check mobile data is on, you have data allowance left and no data limit is set in Android. iD's settings are name iD, APN id, with the username and password left blank. iPhones set the APN automatically and it can't be edited, so on an iPhone reset network settings instead.

Weak signal indoors

Use Wi-Fi Calling to make calls over Wi-Fi when mobile signal is poor. iD says it isn't available abroad and calls come out of your normal minutes.

SIM or eSIM not working

Clean and reinsert a physical SIM, or turn an eSIM line off for 60 seconds and back on. Then try the SIM in another phone. A free replacement SIM is quickest from any Currys store, or takes 3 to 5 working days through Live Chat, and you can ask for a replacement eSIM in the app.

Nothing works after all the steps

Remove any VPN or old profiles, then reset network settings as a last resort (this forgets saved Wi-Fi networks). If the service status page and postcode checker show no fault and the SIM fails in another phone, contact iD on Live Chat.

iD Mobile mobile data (APN) settings

Name
iD
APN
id
Username
Leave blank
Password
Leave blank

Source: https://community.idmobile.co.uk/network-troubleshooting-177/what-are-id-mobile-s-network-apn-settings-45086

Past iD Mobile outages

  • 25 June 2025

    Three customers could not make calls from early morning, and iD Mobile customers were hit too. iD posted on its service status page that its technical teams were working with network partner Three UK to fix the issue. Ofcom later opened an investigation into Three because the outage affected access to emergency services.

    BBC News

  • 23 January 2025

    A fault on Three's voice network stopped calls from about 1pm. Three had more than 10,000 Downdetector reports, and the BBC noted several thousand more from SMARTY and iD Mobile users. Three said reports of failed 999 calls affected no more than ten customers.

    BBC News

  • 12 February 2024

    Three's third major outage in four days ran from about 10:30am to 12:30pm, after earlier outages on 9 and 10 February. ISPreview said the outages were also affecting SMARTY and iD Mobile customers. Gamma, a business provider on Three's network, blamed the 12 February fault on a power supply problem at a data centre.

    ISPreview

  • 1 December 2023

    From about 6am, Three customers across the UK had trouble making calls and using mobile data, and ISPreview reported the fault was also hitting mobile brands that run on Three. Data came back that night and calls in the early hours of 2 December.

    ISPreview

Can you get compensation for a iD Mobile outage?

Ofcom's automatic compensation scheme covers landline and broadband only, so an iD Mobile outage does not trigger an automatic payment. iD's pay monthly terms say that for continuous or recurring disruption, or a network fault caused by iD, you may get a partial or full credit of your charges based on how severe it was and how many days it lasted, if you report it within 6 months. If the service is unavailable for 7 days or more you may end your agreement, with no early termination fees where iD decides the root cause was on its side.

Fed up with iD Mobile outages?

Switching to a brand on the same network will not help during an outage, because it uses the same masts. A SIM on a different network will. You keep your number by texting PAC to 65075.

Compare SIM-only deals iD Mobile PAC code guide

iD Mobile outage FAQs

Is there a problem with iD Mobile today?
We can't tell you live. iD's service status page shows whether calls, texts, data, the app and Live Chat are running normally, and the Status checker on iD's coverage page shows local faults for your postcode. As iD runs on Three's network, Three's status checker helps too. Downdetector shows other people's reports.
Why does my phone say SOS or No service on iD Mobile?
Your phone cannot connect to the network. The cause can be a local fault, planned work, weak signal indoors, a blocked or unpaid account, or a phone that can't use 4G (VoLTE) Calling now that 3G is off. Check the status pages, then your account, then try a manual roam and a restart.
If Three is down, is iD Mobile down too?
Usually, yes. iD Mobile runs on Three's network, so a Three network fault normally affects iD, SMARTY and Superdrug Mobile customers too. That happened in the Three outages of February 2024, January 2025 and June 2025. We found no widely reported outage caused by iD's own systems in 2023 to 2026.
Does the Vodafone and Three merger help iD Mobile in an outage?
Sometimes. iD says that in upgraded areas its customers' phones now connect to both Vodafone and Three masts and switch to the strongest signal, while still showing iD Mobile. That can cover a single mast fault. A fault in Three's core network, like the June 2025 calling outage, still hits iD customers.
Will iD Mobile compensate me for an outage?
Not automatically, but iD's terms do allow it. For continuous or recurring disruption, or a network fault caused by iD, you may get a partial or full credit based on severity and the days affected, if you report it within 6 months. If you're without service for 7 days or more, you may be able to end your agreement.
How long do iD Mobile outages usually last?
Most Three network outages that hit iD have lasted hours. The February 2024 outage on the 12th lasted about two hours, and the January 2025 calling fault ran from the afternoon into the night. The June 2025 calling outage began in the morning and ISPreview reported it resolved at about 10:30am the next day.
Can I call 999 if iD Mobile is down?
Usually, yes. Ofcom says that when a mobile network is down, a phone should be able to roam onto another network to make an emergency call. It may not help when the fault is in Three's own call system: Ofcom is investigating Three because the June 2025 outage affected emergency calls. If a 999 call fails, use a landline or someone else's phone.

Sources

Checked on 24 September 2026 against iD Mobile's own pages and the news reports linked above. This page does not show live network status.