For sync problems, the best solution is to:

1. Check your internet connection is stable. 2. Restart the app or device. 3. Make sure the app and system are updated to the latest version. 4. Sign out and sign back in to refresh syncing. 5. Clear cache or temporary files related to the app. 6. If using cloud services, verify storage space is available. 7. Contact support if the issue persists.

These steps usually fix most sync issues quickly.

1.syncronising in firefox mobile app is awful if you delete some tab witg your linux firefox it wont syncronise with your phone anymore and wont let you to sync manualy(the sync button will freeze) and even do if you dont do anything sync button will freeze and wont sync with linux firefox. when this happen i have to uninstall my firefox and reinstalled it.

Hi san, could you describe the steps on the Linux side. I'm not sure what you mean by delete. Is the problem that you simply closed a tab, and this broke sync?