How to delete VPN on Android (Samsung models) for data roaming usage

  1. This setting is applicable to Samsung Galaxy all models with Android 7 OS (or earlier) / this method can solve the problem when the user uses mobile phone abroad but can’t surf the internet because the phone has set VPN of that country 
    * in case of using other phone model Android 7 OS => recommend to look for VPN menu in (Settings) => (More) and follow steps starting from no 5.
  2. Go to Settings
  3. Tap Connections
  4. And then More connection settings
  5. Tap VPN
  6. You'll find VPN, tap Gear sign behind preferred VPN
  7. Tap DELETE
  8. Afterwards, turn off and turn on mobile phone once => test surfing the internet