desktop.cpp:478 must select a device to use this feature

Hey everyone today we are going to show you how you can fix a simple error like adb.cpp:175 _assert(specific)” or similar to this that you might get on Cydia Impactor on you mac or windows PC. While dragging any app in the impactor, you might face this error while installing and hack IPA like pokemon go hacked IPA or any other app directly from you pc or Mac.

desktop.cpp:478 must select a device to use this feature

You can easily solve this problem within seconds.Just follow below steps on How to fix desktop.cpp:478 must select a device to use this feature error on Impactor.desktop.cpp:478 must select a device to use this feature

#How to fix desktop.cpp:478 the error of Cydia Impactor

1.If make sure you already have iTunes installed in your PC and signed into your iTunes account.

2.Now If you are trying to drag and drop you IPA file to Cydia Impactor app you might get this error message desktop.cpp:478 must select a device to use this feature.

3.This message means that there is no device is connected to your pc or Mac in which it can inject the app so.

4.You just have to connect you iPhone to you Mac with the Lighting cable and wait a sec.

5.Just will see you iPhone with some serial number will pop in the impactor just after you connect your device to your PC or Mac.

Screen Shot 2016-07-31 at 12.01.03 PM

6.Now again try to drag and drop the app in the Impactor the error message will no longer exist there.

7.Feel free to comment if you face any other problem we will try to help you as soon as possible.

If this does not works, then try to restart you Mac or pc and also you iPhone.once you both the devices are restored open the impactor app again and do the above steps again.


  1. Thank you, but this does not work for my situation. My iPad does appear in the impactor device window, but when I run, I get the error message: adb.cpp:175_assert(specific). Are you able to tell me how to fix this error? Thanks in advance!

  2. help pls help. installation.cpp:42
    Failed to find matching arch for 64-bit Mach-O input file /private/var/installd/Library/Caches/ using ipad mini 2 wifi ios 9.3.3 reply if u know how to fix
    Show less

  3. Getting error 170 requires an android device (I have an iPhone) it allows me to log into all Apple information just can’t click start. Any ideas?


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