Do you know that you can backup and restore your data on external storage device, just go to Settings> Accounts and Backup> External storage device, and follow the steps.Enjoy.
Try Gboard, I use it especially because of the numbers arrangement, and you can always switch between the keyboards when ever you need the Samsung keyboard.
as I told you I'm sure your phone is not made for middle East, you can check the attached picture. I think you can update your phone by through VPN using a USA server, you can try
