Hard Bricked Zte Blade a1 [c880u]

[Cleopatra]

@Cleopatra, same again.

I test it now on 3 PC - Win 10 x64, win 7 x86, winXP SP3 x86 and always the same..

When i connect the phone with Power+VolumeUp, Driver in device manager is "MediaTek USB port"
When i connect the phone with Power+VolumeDown, Driver in device manager is
"MediaTek Da USB VCOM"

With MediaTek USB port SP Flashtool loading faster 0-100% and pop-up error 5054.
With MediaTek Da USB VCOM Sp Flashtool not loading ( I think spflashtool cant find phone with this driver )

Sorry for my late reply. I was at work.
And then, meanwhile I was writing the reply, the server gone down :



Questions :

1) When you press the "power" button, your phone vibrate or other life signs ?
2) (before install VCOM) Do you have disabled drivers signature enforcement in Win 10 ?
3) Do you have 3 laptop computers or 3 desktop computers ?
If you have a desktop pc :
Do you have tried to change usb port (usb back ports preferably) ?
4) Usually the error 5054 means that the firmware you are trying to flash is not compatible with your smartphone.

Possible solutions to the error 5054 :

a) Make sure that the firmware you are trying to flash is compatible with your phone.
b) Open SP Flash Tool, click on tab "Format".
Make sure that there is a blue point on "Format whole flash except Bootloader".
c) Click on "Start" (blue arrow).
d) When process will be finished, click on tab "Download" and try to flash once again the firmware.

Regards