How to free up space on iPhone and retrieve the lost data?

iPhone today usually have large internal memory up to 128 GB, it greatly increased the capacity for data. While if you still use an iPhone with 16 GB or less, the space is far from your needs. If your internal memory has been used up, you cannot install apps and store new data, and even the the normal running of your device will be difficult. Then we need to free up the iPhone. How to clear the data on iPhone?
Your original apps and installed apps on iPhone stores numerous cache files. The cache stored is used to improve your phone’s performance.The cache can let you access to the content instantly next time.  And you also have download and saving many data on the iPhone.  If the cache files has take up a lot of your space and affect the performance of your iPhone, you need to delete some of them to free up the space.
How to free up your space on iPhone?
Delete the unused app
You may have installed too many apps on your iPhone but you do not use it regularly. You can choose to install the apps.
Go to Settings>General>Storage& iCloud usages, you will see all the used, available space.
Tap Manage Storage, it will list all the apps you use with their size. You can tap each app to delete them.
Click “Delete App” button and confirm.
How to delete data from iPhone?
Tap Settings>iCloud, it will display your iCloud storage, then tap on “Manage Storage” under iCloud. It will display all the backups and size of each type of data and documents. Click “Show All”, you will able to see all the data.
Tap on the data which you need to delete, and tap Edit>Delete All to delete all the data under this type.
At the same time, you can delete some unused from photos album, unused messages, app cache data. Reinstall apps will help you to free up the space.
Accidental deletion is not always avoidable even if you behave cautious enough. In case you have data loss on your iPhone, you have to recover from your backups immediately. Even if you have no backups, you should take time to recover your data with iPhone data recovery software at the first time.
The H Data iPhone data recovery software provides a way for you to recover your lost data from iTunes backups. So you can recover your data easily even without iPhone.
Run H Data iPhone recovery software on computer, it will automatically detect all latest iTunes backup on your computer. Take the right version to scan, you will be able to preview and recover all your lost data.
If you have no backups, you can use an USB cable to connect your iPhone with this recovery software, and then to scan the entire phone and restore the data you need.