Never Lose Your Text Messages! Gmail is Here to Help You
IF YOU WANT TO SECURE You ALL MESSAGES KEEP ON FALLOWING THIS POST.
I will try to make it as easy as possible;
1: Go to your Gmail and open the setting and follow the step 1 and 2 from image
2:now after clicking on FORWARDING AND POP IMAP do the bellow setting
3: After ENABLING THE IMAP as per above picture close your Gmail
This part will be done on your phone
Install this app
SMS BACKUP +
Launch the application. The first screen you’ll see will look like the following
Tap “Connect”. The Account Picker on your Android phone will launch, and you’ll be prompted to choose the Gmail account you want to use for backing up your messages.
Choose your account and grant the requested permissions. You’ll be prompted to begin a backup immediately or skip the initial backup.
That's it, guys, you are done
Now you will see an SMS option in your Gmail as well if you want to see your message in Gmail
From your application, at mobile, you can backup and restore your messages.
YOU CAN CHOOSE THE INTERVAL FOR AUTO BACKUP AND Much MORE OPTION IN THE MOBILE APPLICATION