But, are deleted emails gone forever? It depends. Gmail will keep these deleted emails in the Trash for 30 days, after ... is ...

Deleted files can ... Or you can wait 30 days for Google Drive to automatically remove it from the trash. You have 30 days to ...

If you do not have a Google account, it will not be possible to recover the browsing history data in the abovementioned way. In such a condition, you must use a good Android data recovery software.