The iPhone has limited memory space, especially you are still using an iPhone with 16 GB space. If your iPhone has less space, it will keep giving you a message that Storage Almost Full. It requires you to manage your storage in Settings to free up space. With this messages, you cannot take photos or install new apps on iPhone. If you would like to use your iPhone as usual, you should mange the storage. You should decide which data you can delete. And this action always accomplished with accidental deletion. If you have not backed up your data to iCloud or iTunes, you will suffer data loss after freeing up the space.
How to free up space without deleting photos or apps on iPhone?
If you do now want to delete your cherished photos and apps on iPhone, how can you do to free up space? You can do this by yourself easily. You can choose to delete the data stored on apps.
Tap on Settings>General>Storage&iCloud Usage>Manage Storage, you will see all the apps installed on your iPhone with their size. Tap on each app, you will see the Document&Data size of it. What you should to is to erase these accumulated data to free up space.
Before erase data, you should back up your iPhone to iTunes or iCloud first to avoid data loss.
After backup, go to Settings>General>Reset>Erase All Contents and Settings. It will erase all the contents and settings on iPhone.
Then you should connect your iPhone with computer ans restore backup to iPhone in iTunes.
Other ways to free up space
You should always delete the duplicated data and unused data from all apps. Such as photos, videos, download files that you do not need. Delete the safari histories, old messages. If you have tried all the ways but cannot help for your iPhone has limited space, you should regularly backup your data to iCloud or iTunes to avoid data loss. You can move the data you do not frequently use to other devices or storage locations.
How to get lost data back from iPhone?
If you lost data on iPhone but you cannot recover directly on iPhone, you should use the data recovery software. If you have iTunes backup, but you do not want to restore all the data to iPhone, you should run recovery software to selectively extract data from iTunes backup.
Download and run H Data iPhone recovery software on your computer.
Choose “View and Restore files from iTunes backups”.It will analyse your iTunes backup to view and restore all kind of contents.
Select one backup to scan. You can decide which backup to scan by the device name, serial number, backup time, or you can choose from other locations on computer by manual.
Click SCAN button to scan your selected iTunes backup.
After scan, you can see all the contents, click Photos, you are able to preview all the photos on the software. You can find your recently deleted photos here.
Tick the photos you want to recover and click “Exported Selected Records”.
After recovery, you can check the files in the recovery location you choose. They have been extracted from iTunes backup to your computer, so you can choose to use iTunes or iCloud to transfer data to iPhone.