The speed with which technology world is being developed that is admirable. And due to that development you can get back of all your deleted messages on your Android smartphones. Although this does not guarantee that your message will be returned, but you can give a try.
When you deleted any of your files on your computer system, it go to in your “trash bin”. This same process applies to the Android smart phone.
When you deleted any of your file or message from your Android smartphones, it remains there for a short time after the phone are deleted.
By using “Data recovery software” you can get all your deleted messages back on your smart phones.
These kinds of software scan your smartphone and get back your deleted files or messages.
You can also find “sms backup” app on your smartphone, which you can use for the same purpose.
You can Download that free on your smartphone.