Taking screenshots on Qualcomm devices

This is a guide on how to take phone screenshots on mobile devices with a Qualcomm chipset, using both QPST and RevSkills.

= Prerequisites =

A computer running Windows 7 or above

A data cable for the phone you wish to get screenshots from

QPST v2.7 build 323 or RevSkills (some phones may not work correctly with RevSkills or vice versa)

= Initial Setup = Power on the phone and connect it to your computer.

Open Device Manager and then go to "Ports (COM & LPT)". Locate the subsequent diagnostic / serial port that matches your phone.



Keep note of this COM port, as you'll need it for either program.

= Setup (QPST) = Open QPST by typing "QPST Configuration" in the Start menu, or go to  and open QPSTConfig.exe.

Selecting your phone
After a window titled "QPST Configuration" followed by your PC name appears, click on the Add New Port... button.

Uncheck "Show Serial and USB/QC Diagnostic ports only" and navigate to your phone's COM port. Alternatively, you can type the COM port into Port and Port Label, and then click OK.



If your phone was detected successfully, the Ports tab should populate with some info on your phone, such as the ESN and an approximation of the SoC inside.



Locating and opening Display Capture
For reasons unknown, the DisplayCapture app is not accessible in QPST Configuration. Instead, it can be found by typing "Display Capture" in the Start menu or going to  and running DisplayCaptureApp.exe.

Taking a screenshot
Once a window titled QPST(tm) Soft Display Capture Application opens, check to see if your phone's COM port is listed. If it is, all you have to do now is press Capture to see your screen!



After that's done, press SaveAs to save the BMP image where you'd like.

Troubleshooting
If QPST gives an error saying "No such file or directory" when you press Capture, just create an empty folder named  on your C:\ drive.

= Setup (RevSkills) =

Open RevSkills, and go to Hardware -> Port Utils -> QC + AT-Cmd. A window called "QC Com Diag Window" should open, and then from there you can select the COM port of your phone.



Go to the DC tab, and press Capture Display. It should show a progress bar, and ask where to save the finished BMP image once it is complete.

(unfortunately cannot provide a RevSkills screenshot with the ZTE E520 as it does not work with RevSkills Display Capture - a true testament on why having both apps is convenient)

=Display Capture Compatibility Chart=