How to change phone number on signal?

change phone number on signal app

As on the date of writing this article, signal does not have a feature of changing the number as per their website. Here is what they have detailed for the new number

New Number or New Phone
Changing numbers is not currently supported. Follow steps below to set up a new phone number on a new install of Signal.

Android
iOS
Desktop


What if I do not have access to my old number?

  • tell your Signal contacts about your new number and ask them to remove the old number.
  • Messages and calls to your old number will NOT BE delivered.

What happens If someone registers with your old number on their phone

then they will have an empty message history. Your contacts will also be made aware of a safety number change if they start messaging with the old number.

How to register on Signal on andriod for new phone number in a new device.

New phone
New number

New Android phone with a new number

On your old phone,
Leave all groups.
You may want to notify your group members that you will be leaving the group and will need them to add your new number to the group.


Unregister your Signal number.
This will prevent you from missing messages until your contacts update their phones with your new number.


On your new phone, download and install Signal Android and register with your new number.
Ask your contacts to add you to groups that they share with you.
Re-link any instances of Signal Desktop.


New Android phone with the same number

  1. Download and install Signal Android.
  2. If you previously used iOS, skip to step 5.
  3. If you previously used Signal Android, confirm you’ve completed a backup on your old phone and transferred files to your new phone.
  4. Enter your 30-digit passphrase for your backup.
  5. Register with your phone number. All new messaging and calling will be handled by this new phone.
  6. Ask your contacts to send messages in or update any groups that they share with you.
  7. Re-link any instances of Signal Desktop.


Register on signal with a New phone number on the same phone

  • Leave all groups
  • You may want to notify your group members that you will be leaving the group and will need them to add your new number to the group.
  • Unregister your Signal number
  • This will prevent you from missing messages until your contacts update their phones with your new number.
  • Register with your new number.
  • Ask your contacts to add your new number to groups that you left.
  • Re-link any instances of Signal Desktop.

iOS Signal Login Registeration process

Four situations

  • New phone with a new number
  • New phone
  • New number
  • New iPhone, iPad, or iPod touch with a new number

On your old device

  • Leave all groups.
  • You may want to notify your group members that you will be leaving the group and will need them to add your new number to the group.
  • Unregister your Signal number.
  • This will prevent you from missing messages until your contacts update their phones with your new number.

On your new device

  • download and install Signal iOS and register with your new number.
  • All new messaging and calling will be handled by this new phone.
  • A new install of Signal also generates a new safety number with your contacts.
  • An iTunes or iCloud backup does not contain any of your message history. Only new messages, not conversation history, will be displayed.
  • Ask your contacts to send messages in or update any groups that they share with you.
  • Re-link any instances of Signal Desktop.

New iPhone, iPad, or iPod touch with the same number

Follow these steps to set up Signal on a new device using information from your current device.

New phone number on the same phone

  • Leave all groups.
  • You may want to notify your group members that you will be leaving the group and will need them to add your new number to the group.
  • Unregister your Signal number.
  • This will prevent you from missing messages until your contacts update their phones with your new number.
  • Uninstall and reinstall Signal with your new number. You will start Signal with an empty message history.
  • Ask your contacts to add your new number to the groups that you left.
  • Re-link any instances of Signal Desktop.

Desktop Signal Login Registeration process

New phone with a new number

  • New phone
  • New number
  • New phone and new number
  • Follow the steps for a new number.

New phone

  • Register on your new phone.
  • Close and restart Signal Desktop or your computer.
  • Open and re-link Signal Desktop. Your existing message history on this Signal Desktop instance will remain if you are linking with the same phone number that you previously used.

New phone number

  • Unregister your Signal number.
  • This will prevent you from missing messages until your contacts update their phones with your new number.
  • Delete account from within Signal Desktop. This will clear your message history on this Signal Desktop instance.
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