Why no data is found via Recover from iOS Device?
FAQ for the following product:
If it failed to recover any data with Recover from iOS device, there may be the following reasons:
1. Data has been over-written by other data for a long time.
2. After the data was deleted, any new operation in the device or new data written may cause the date has been overwritten.
If you synced iOS device with iTunes before, you can choose Recover from iTunes Backup feature to recover the deleted data.