Originally Posted by HughesWL
If you don’t use your old iPhone/iPad any more, you’d better wipe all the data on it. All the data can still be recovered with recovery apps even you reset your old iPhone/iPad. With Dr.Fone for iOS, your personal information can be erased permanently. No one can recover it.
Works with All models of iPad Pro, iPad Air, iPad mini, and iPad
Sure ,there are lot of recovery software on the market ,the recovery software will be able to restore deleted data on iphone again , so the simply deletion is not enough ,What should we do is use eraser tool to wipe all the data before selling iPad ,