Change description : 2025-07-03 10:07:00: Updated instructions for how to change your phone number to explain you can now use a back-up method to sign into your GOV.UK One Login. [Guidance and regulation]
If you’ve lost access to your phone number or you’ve changed it, you maycan beuse ableyour toback-up changemethod how(another youphone getnumber securityor codesauthenticator toapp) signif inyou’ve toadded GOV.UKOneLogin.one.
If you’re told you can change how you get security codes, you’ll need to prove your identity using the GOV.UK ID Check app. This is because we need to know it’s you and helps to keep your GOV.UK One Login safe.
We’ll ask some questions to make sure you can use the GOV.UK ID Check app. Then we’ll tell you how to download and use the app to prove your identity.
You can then choose how you want to get security codes. You can haveget codes sentby text message to ayour mobile phone number or getthemfrom an authenticator app. Changingapp.
Changing how you get security codes will remove your previous default and back-up method, if you’ve set one up.
Updated instructions on changing how to get security codes if you've lost access to your phone.
12 March 2024
The instructions for changing your phone number if you have lost access to your phone or changed your number have been updated to include the rule that you can only do this if you are not also resetting your password.
28 February 2024
The steps for resetting your password have been updated.