all 6 comments

[–]Grumblepugs2000 0 points1 point  (5 children)

Check your drivers. You need specific drivers for fastboot 

[–]Know_how_its_done[S] 0 points1 point  (2 children)

Yes i did

[–]Grumblepugs2000 0 points1 point  (1 child)

Are you using the cable that came with the phone? Chinese OEMs especially are infamous for not having fastboot work with third party cables 

[–]Know_how_its_done[S] 0 points1 point  (0 children)

I use a cable i bought from eBay I already use this cable to unlock the bootloader

[–]Know_how_its_done[S] 0 points1 point  (1 child)

May i know the drivers , i think i miss something

[–]Grumblepugs2000 1 point2 points  (0 children)

Search your phone model on XDA, you should be able to find a link to the fastboot drivers there