Hi Mohammad

Were you syncing with Firefox for iOS?

yes exactly what can I do?!

We are sorry to hear that this has happened.

This matter is being looked into by our developers and we hope to be able to update you soon with more information.

thank you

will it be solved?

I hope to be able to update you soon with more information.

Our developers have finished their investigation and an update for Firefox for iOS has been published. This is version number 121.1 and we strongly recommend that you update to this as soon as possible.

If you experienced data loss with the previous update we apologise for the inconvenience this may have caused.

You may be able to recover your logins through one of two ways:

1. Use an existing backup of your Firefox profile that you may have taken (see this support article) or,
2. Take a backup of your Firefox profile (this article will help). Keeping Firefox closed, find the file named logins-backup.json. Take a copy of it, rename it to logins.json replacing the existing file with the same name.

We apologise that this has happened. Work is being done internally to reduce the chances of this happening again but we appreciate that this does not make up for the disruption this has caused you.

as you may see the files are exactly the same!!

I dont know what to do its my 10 years data that is lost!!

These files don't have to be the same, try to open and examine them. Some passwords can be marked as deleted in the newer file.

You can open logins.json and logins-backup.json in a Firefox tab (File -> Open File; Ctrl+O) to see if there are logins in the file with a hostname and username and password or only logins with "deleted":true.

• https://firefox-source-docs.mozilla.org/devtools-user/json_viewer/

All of them are deleted:true!

guys please help me what should I do?!!!

isn't there something that Mozilla can do?!! what a shame!!