Resolving the "Essay" Issue: A Step-by-Step Guide to Installing midiag.apk
Navigate there using any file manager:
Performance:
Complete Setup: Hit Install, wait for the "App installed" message, and then try your previous action again.
If you still see the message after following the steps above, try these advanced solutions: Resolving the "Essay" Issue: A Step-by-Step Guide to
midiag.apk (typically referred to as DeviceDiagnostics on Xiaomi/Redmi devices) is a specialized system tool primarily used to enable Diagnostic (Diag) Mode
An Over-The-Air (OTA) update may have attempted to install new diagnostic tools. If the automatic installation failed (due to storage space, corruption, or security settings), the system flags the pending install. The Quick Fix: Manually find and install the APK file
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