GSM-Forum - need root g388f 5.1.1

Credits to ownwe
Code:
1. Copy SuperSu.zip file to your phone's internal or external storage.

https://download.chainfire.eu/696/supersu/

2. Open Odin3 V3.10.6.exe that you extracted on your PC.

3. Put your phone in download mode now.

4. Connect your phone to your PC now.

5. click the "AP" tab in Odin and select the twrp-2.8.6.0-zeroflte.img.tar file.

https://dl.twrp.me/xcover3ltexx/twrp...x.img.tar.html

6. If the Auto-reboot option is ticked, untick it.

7. Boot your device in recovery mode. It should be TWRP recovery that you just installed.

8. Select Install> locate the SuperSu.zip file and flash it.
Br,
xerraco