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Boost your messaging experience with RCS. Learn how to turn on RCS chats.

Use end-to-end encryption in Google Messages

When you message someone who also has RCS chats turned on in Google Messages, your chat conversations automatically upgrade to end-to-end encryption. With end-to-end encryption, no one can read the content sent between you and the other person.

Check if a conversation is end-to-end encrypted 

End-to-end encrypted conversations have:

  • A banner that says “ Chatting with [contact name or phone number].”
  • A lock next to message timestamps.
  • A lock on the send button when you compose a message.

If messages don’t have locks, make sure you and the person you message both have:

Confirm your verification code

Your conversations are encrypted end-to-end with a key that only you and other conversation participants can access. When you ask them if they have the same code you have, you can verify end-to-end encryption for your individual and group conversations.

To verify end-to-end encryption for individual conversations:

  1. Open the Google Messages app .
  2. Open a conversation or create a new message with a contact you want to verify.
    • In the conversation, all participants must have RCS chats turned on. If RCS chats are turned off, end-to-end encryption can’t be verified.
  3. At the top right of the conversation window, tap More More and then Details and then Verify encryption.

To verify end-to-end encryption for group conversations:

  1. Open the Google Messages app .
  2. Open a group conversation you want to use.
    • In the conversation, all participants must have RCS chats turned on. If RCS chats are turned off, end-to-end encryption can’t be verified.
  3. At the top right of the conversation window, tap More More and then Group details.
  4. Select a conversation participant you want to verify.
  5. Tap More More and then Verify encryption.

Tips:

  • You can call your contact and read your verification code aloud to make sure your codes match.
  • It's optional to confirm a verification code. Messages will be end-to-end encrypted even if you don’t take this step. 

Troubleshoot messages you’re unable to receive or decrypt

Important:

  • End-to-end encryption may not work on certain Android Go phones.
  • End-to-end encrypted messages only work when you communicate with another Google Messages user. If you or your contact change messaging apps or operating software, Google Messages may not immediately detect when a conversation is no longer eligible for end-to-end encryption. Initially, some messages may not appear or they may be delivered in an unreadable, encrypted format.

If you get an unreadable, encrypted message:

If you changed messaging apps and aren't receiving messages, you may need to turn RCS chats off.

Tip: You can send messages as chats or resend them as SMS/MMS.

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