Coolpad Cool 1 Brick - only red LED blink when USB cable is plugged in

forami

Member
Jun 30, 2012
12
0
0
Hi, unfurtunatlly I install TWRP JUI 7.1 when I was in EUI ROM. only red LED blink when USB cable is plugged in. PC says "unknown device" when Cool 1 is connetcted.
Phone is not visable to ADB, CDA and YGDP.
Do You have any idea how unbrick?
 

forami

Member
Jun 30, 2012
12
0
0
Ok. problem is resolved, I install new recovery by this thread instruction: https://forum.xda-developers.com/cool1/help/bricked-cool-1-t3726666/page2

• 1º install all drivers and MIFLASH
Remember that your device is erasing and only flashes the red light when connected to your computer, if your cell phone is in this state is a good sign as we will be able to get it to be identified to install the room;
2º HOW TO MAKE THE APPLIANCE IDENTIFIED ON THE PC

With the installed drivers connect your cell phone to your computer, open the Control Panel go to Device Manager and leave the screen open to observe: now with the phone connected we will press together the volume +, volume - and Power button together and secure them until the phone is identified by the system on the DEVICE MANAGER page (for the phone to be identified it may be necessary to keep pressing the buttons for more than 60 seconds, if it is not identified at the end of 120 seconds repeat the process of tightening buttons until the system identifies them).
• In case the system identifies but does not automatically install the driver it is necessary to perform a forced installation:

3º Forced driver installation:
With Device Manager open, we have the device to the computer, it has not been installed correctly for which it is necessary to perform the forced installation procedure. If the installation is not successful, the WINDOWS DRIVER DIGITAL SIGNATURE may be active and the installation of a set to first of all will disable it:
• Then type in the Windows search field and query by CMD, right-click and select to run as administrator with the command prompt open in administrator mode enter the following command without the quotes "bcdedit / set loadoptions DDISABLE_INTEGRITY_CHECKS "Ready a driver signature to be disabled, let's now forge a driver installation.
Right-click on the identified device but it is not recognized and select UPDATE DIVER, now on PROBE DRIVER SOFTWARE ON THE COMPUTER, click PERMIT THAT I CHOOSE ON A LIST OF AVAILABLE DRIVERS IN MY COMPUTER now in NEXT and on click in WITH THE DISK; Browse to your local disk where the driver was installed, LENOVO folder, normally installed in the directory: C: \ Program Files (x86) \ LenovoUsbDriver \ Navigate to a subfolder SERIAL and select the following file -Lenovo_ser click open and then In OK, Look for Qualcomm HS-USB QDLoader 9008 and confirm installation, prompt your device is now correctly connected and available and available for MIFLASH.
4º USING MIFLASH

Now with the drivers properly installed open the MIFLASH 1 click on REFRESH 2 select the folder of the recovery room that must be unzipped and 3 click on FLASH wait until the process finishes "in my case presented error at the end of the installation, but did not interfere , the process was enough so that I could already open the recovery mode of the mobile. "

• With the MIFLASH still open now press the Power button, volume - and volume + again until you make the identification noise on your computer again, in MIFLASH search for the EUI_TWRP_6.0.1_V1_ADVANCED_CUOCO92 folder and select the twrp subfolder and a REFRESH from your device should be recognized by MIFLASH, now click on FLASH and wait for the end of the installation.

With the twrp installed enter into recovery mode on your cell phone by pressing the Power buttons and the volume + button, click Wipe, Format Data, type yes and confirm this will delete your cell partition.