Samsung Galaxy On7 Refresh SM-G611F/DS RooT File 100% Free Download File Information Device Name : Galaxy On7 Refresh Model no :SM-G-611F Brand :samsung Manufacturer :Samsung Electronics Co., Ltd. Android ver :7.1.1 PDA : G611FXXU1ARA6 Security Patch Level : 2017-08-01 Country : All File Type :Free Credit :Free How to root Samsung Galaxy on7 SM-G611F ? 1.First of enable G611F device usb debugging and oem unlock 2.Go to device setting and check about phone 3.Tick 7 times on build number of device and go back 4.From Developer option Enable usb debug and oem unlock 5.Make sure device battery must be 40% above changed 6.Make a backup device important data 7.Install SAMSUNG_USB_Driver 8.Power off phone or reboot to download mode 9.pr