After i have failed to upgrade mu operating syster, I lost all data on my iphone. How to recover them?
Do you have iTunes backup? Or you can try the recommended recover programs in google, Vibosoft iPhone data recovery is good.
u could find your lost data back after you failed to upgrade mu operating syster, even though you don't backup in iTunes or iCloud. 1.i don't know the detail, but for these files like contact, message, notes would be saved in iTunes by default.And you need find the right files in PC and copy it out. 2. Find some recovery tool. Like Tenorshare iPhone Data Recovery... It will find all you deleted or lost message in your iOS device.
Coolmuster iOS Data Recovery is an all-in-one data recovery tool for iPhone iPad and iPod, which allows you to directly recover lost or deleted data including contacts, text messages, photos, videos, call history, notes, bookmarks and so on with a simple click. In addition, you can also extracting to restore lost data from iTunes or iCloud backup with the helps of this iOS data recovery software.
Oh ! Well, I don't think that, recovering the lost data back is not as easy (as restoring from Trash bin) with any free software. Definitely You should go for an efficient data recovery tool to regain lost data.