Dear Mozilla Firefox Support, I am seeking clarification and assistance regarding saved login details that appear in my Firefox browser, both on my laptop. The situation is as follows: At some point in the past, I mus thave attempted to access the Plenty of Fish (POF) dating site via the app on my iPhone. Alhtough not presently active, my iCloud account shows a history of the app being downloaded, and stored in the cloud. I do not recall ever completing an account setup or using the service, but when I check Firefox on my laptop, I can see a username and password saved under Privacy & Security settings for POF. I am trying to understand whether these saved credentials could have been synced between my iPhone and my laptop at the time of the attempted registration, meaning that they were stored automatically even if I did not intentionally log in on my laptop. My specific questions are: Do the Firefox saved logins on my laptop and my iPhone interlink automatically if Firefox Sync is enabled? (i.e., would login data entered on my phone app/browser be stored in the Firefox passwords list on my laptop?) Is it possible to determine whether the saved username/password for POF was stored via the iPhone app/browser rather than being typed directly on the laptop? I belive that if login attempts fail due to a non-existent or corrupted username/password, Firefox still store the login attempt details (username and password) even if the login itself did not succeed, can you confirm this? Is there a way of telling which it was failed/sucessful This is a sensitive and personal matter, and I would greatly appreciate your guidance and any clarification on how Firefox may have stored or synced these details. Thank you for your support. Kind regards, A