Therefore, the only way you can try is to log in i Cloud with Phone Rescue and see if it can recognize any i Cloud backup.If it fails, the only advice we can give you is backing up your i Device with i Tunes.For those who stick with i OS 9, we prepare you this guide to retrieve the lost data on i Phone i Pad after i OS 9/9.3.3/9.3.4/9.3.5 upgrade, covering notes, messages, contact, photos, videos, voice memo, Whats App chat history and more.
But not every user will update to i OS 11 and some will stay with i OS 9.x.
and i OS 9.3.5 continues where i OS 9.3.4 left off: i OS 9.3.5 provides an important security update for your i Phone or i Pad and is recommended for all users.
Normally, losing data during i OS 9 update shows in several situations, like: If you are stuck on any situation mentioned above, here we offer you several possible solutions as followed: 1) Lost notes on i Phone i Pad after i OS 9 update If you find your notes lost after i OS 9 update, and you have made an i Tunes or i Cloud backup before performing i OS update, you can use Phone Rescue to extract notes from backup without restoring i Device: How to Retrieve Deleted Notes from i Tunes Backup If you haven’t any backup, or the backup you made doesn’t have the notes you want to retrieve, you can use Phone Rescue to scan your i Phone i Pad and see if the deleted notes still on device and not deleted physically from the disc.
Here is the detailed guide: How to Recover Deleted Notes on i Phone i Pad without Backup 2) Lost photos or photos disappeared after i OS 9 update Losing photos is the most common data loss problem during i OS update.
Normally, you can get your lost data back with the above three methods, and we have made a clear table to help you compare the methods, and you can choose the method you prefer.
Except losing data during i OS upgrade, there are still some though problems you may meet, like lack of free space to upgrade new i OS, get stuck during i OS download installation, stuck on Apple logo or other problems.
If you are stuck on this problem, we are sorry that it still hasn’t any workable solution.
Just like this post from Apple Support Community, more than 40 people are reporting the same problem, but no Apple stuff shows and offers solutions.
This i OS 11 will come out soon, and you may also meet i Phone i Pad data lost issue after the update, you can refer to this guide to fix it: How to Fix “i Phone i Pad Data Disappeared” After i OS 11 Update i OS 9.3.5 is the last update of i OS 9 before i OS 10.