Open File Manager And Complete Midiag.apk Installation. Then Try Again Online
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Ensure USB debugging is enabled (Developer Options > USB debugging). Also check that your device drivers are installed correctly on the PC. Sometimes you need to restart both the phone and the PC, then from the beginning of the PC tool’s workflow.
Scroll through the folder to find the file named midiag.apk . 4. Initiate the Installation
That Annoying “Complete Action Using” Loop? Here’s How I Fixed It with MIDIAG.apk If you found this guide helpful, share it
The initial app you installed from the App Store or an APK link is often just a "launcher" or downloader.
Follow these steps to locate the file, grant the necessary permissions, and complete the installation. Step 1: Allow Installation from Unknown Sources
The APK downloaded successfully to your internal storage, but the system requires manual user confirmation to execute it. Also check that your device drivers are installed
If you cannot find the file in your storage, the system might be "confused." It thinks there is a pending installation when there isn't one. Clearing the cache of the system component responsible for installations can break this loop.
Wait for the progress bar to finish. Once completed, tap (do not tap Open yet). Step 5: Restart and Try Again Close all open applications on your device.
If you click the APK and receive an "App not installed" message, it usually means a corrupted version of the file already exists. Go to Android Settings > Apps , look for any existing "Midiag" or diagnostic plugins, uninstall them, and repeat the steps above. Why You See This Error
The error occurs because a process on your phone is trying to launch this diagnostic tool, but the tool hasn't been properly installed or updated. The system thinks the file is waiting to be installed, so it pauses the current action and asks you to finish the job manually.
: It is an official Xiaomi system component, though often manually sideloaded for repair purposes. Why You See This Error