content: document HardenedPass as Android's password managerrelease_09112026-1020

HardenedPass 0.3.4 answers Credential Manager requests on Android 14
and later, e.g. Signal's backup key. Cover enabling it under
Passwords, passkeys & accounts, saving and filling, and the "no
password manager found" error.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/content/en/hardenedpass/using/autofill/index.md b/content/en/hardenedpass/using/autofill/index.md
index 44d0c5c..07d9f6a 100644
--- a/content/en/hardenedpass/using/autofill/index.md
+++ b/content/en/hardenedpass/using/autofill/index.md
@@ -55,6 +55,25 @@ Firefox also shows its own save prompt. That one is Firefox's password manager,
 HardenedPass, and you can dismiss it. To stop it for good, turn off saving passwords in
 Firefox's settings: only the HardenedPass prompt remains.
 
+## Apps that use Android's password manager
+
+Some apps skip the login form and talk to Android's password manager directly, for
+example Signal when it offers to store its backup key. On Android 14 and later,
+HardenedPass answers those requests too.
+
+Open Android's **Settings**, then **Passwords, passkeys & accounts**, and check that
+HardenedPass is turned on there. Being the preferred autofill service is not enough: an
+app that finds no password manager enabled says so and offers to open these settings.
+
+- **Saving:** when the app offers to store a password, choose HardenedPass in the sheet
+  Android shows. The editor opens with the password filled in. Save the entry there and
+  it stays linked to that app.
+- **Filling:** when the app asks for a password, the sheet lists the entries linked to
+  it. Pick one and unlock with your passphrase. **Search entry** finds any other entry,
+  and links it for next time.
+
+Browsers keep using autofill for websites, as described above.
+
 ## The phishing warning
 
 Fill suggestions are tied to the app that requested them. If an app you linked to an