If nothing works, the parent application may be incompatible with your Android version. Contact the app’s support team and mention: “MIDIag.apk installation completes but the parent app does not recognize it.”
After the progress bar finishes:
The "open file manager and complete midiag.apk installation" error is simply a permission bottleneck, not a device failure. By manually finding the file in your , granting Unknown Sources permission, and running the installer, your primary app will get the diagnostic support it needs to run smoothly. If nothing works, the parent application may be
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Remember the golden rule: Most users resolve the issue on the first attempt once they understand this flow. This public link is valid for 7 days
This typically happens when using third-party tools (like Chimera, DFT, or UnlockTool) to enable for IMEI repair, flashing, or network troubleshooting. Quick Fix Guide
To actually run the diagnostic functions, the main app downloaded a secondary plugin file named midiag.apk onto your device's internal storage. Can’t copy the link right now
Attempt the action again. The error should now be resolved, and the software will recognize the diagnostic plugin. Troubleshooting Common Obstacles
Use the search icon (magnifying glass) inside your File Manager and type midiag .
