oppo F5 cph 1725 format fail ? team pls help urjent

oppo dcph 1725 format fail ? team pls help

Disconnect Mobile...
Re-Put the Mobile Bettery...
Then Connect your Phone to Computer again....
Please Make sure Mobile better has Power...
>>> Searching Mobile Port...
Get Mobile Port is: COM52
>>> Device driver identification:
Preloader And Gadget Serial
>>> Mobile Has Connect...
CPU_NAME: MT6763
>>> Reading Mobile Hardware Info...Success
HW_Inf: 8A00 SW_Inf: CA01
>>> Initialization Mobile ...Success
>>> Downloading Boot1 To Mobile Phone...Fail