Is there any way to restore iPhone deleted messages easily?

The messages lost from iPhone have not been erased immediately, you can try to retrieve them soon after you lost them. The deleted files are marked as deleted by system so that disappear on iPhone. But as long as the contents are still stored on device, the data recovery software can detect and restore them. If you have backups, you can restore from your backup easily.
Ways to retrieve text messages from iPhone
First, restore from iCloud backup.
You should always back up iPhone to iCloud account. If you have enough space in iCloud and enable it, it will automatically back up data as long as iPhone is connected to Wi-Fi network. With iCloud backup, you can restore data at any case as long as you can sign in your account. You can selectively restore the messages that you need.
Go to iCoud.com on your iPhone and sign in with your Apple ID and password. You can find different items on the dashboard.
Click Settings, find Restore files in Advance, and then choose the files that you need to restore.
iTunes do not provide you a way to separately recover your messages. If you choose to restore from iTunes backup, you can only restore all data to iPhone. So the problem occurs, recovering the entire backup to iPhone will overwritten all data on iPhone. This is not want you want. Therefore, you should use a tool to selectively extract the messages that you need.
If you have iTunes backup store on iPhone, messages recovery could be very easy.

How to easily restore messages on iPhone?
The iTunes backup stores all your settings and personal data including each piece of messages. To extract messages from iTunes backup, you should perform this with the help of data recovery software. As long as the content of your messages are store in this backup, the recovery software can scan and restore them.
Click the recovery mode “View and restore from iTunes backup”. You should select one backup to scan. If you do not find the one you need to scan, you can choose on your computer by manual.
Click SCAN button to let it scan iTunes backup for all the data.
After scan, all contents are show up on software, you can click each one to preview the files. Click Messages, you are to preview the content of each piece of message.
Tick the messages that you want to recover and then Click the button “Export Selected records” to extract them.
After the extracting completed, you can find them in the recovery folder in the recovery location you choose.