Check Android carrier lock status in seconds.
Join the IMEIFAST Android Diagnostic beta on Google Play and get a simple SAFE, CAUTION, LOCKED, or UNKNOWN result. No root. No modifications. Read-only analysis.
Join the Beta
Open the beta link with a tester Google account, join the program, then install IMEIFAST Android Diagnostic directly from Google Play.
How it works
Join the beta
Open the Google Play Beta invitation and become an IMEIFAST Android Diagnostic tester.
Install from Google Play
Install the app directly from Google Play using the same Google account added to the beta program.
Run diagnostic
Open the app, tap Start Diagnostic, and review the SAFE, CAUTION, LOCKED, or UNKNOWN result.
Help us improve Android Diagnostic before public release
IMEIFAST Android Diagnostic is now available through Google Play Beta. Testers help us validate more Android models, improve SIM lock detection, and make the results more accurate for real users.
Example results
Android Diagnostic is designed for normal users. Instead of showing technical signals, it translates the phone check into simple visual results.
No lock detected
The phone does not show carrier lock signals in the current diagnostic.
Review recommended
The phone may need an additional check before purchase or activation.
Carrier lock detected
The diagnostic found signs that the phone may be restricted to a carrier.
Not enough data
The phone did not expose enough supported information for a final result.
Current Android support
IMEIFAST Android Diagnostic is currently in beta. Samsung support is the most advanced. Motorola, Verizon, and other Android devices are being improved through real device testing.
Need a deeper phone check?
Android Diagnostic helps detect lock signals from the phone. For a stronger buying decision, combine it with an IMEI Check to review blacklist status, carrier information, device details, and other available records.
Important: Read-only diagnostic
No. The app is designed to run without root access.
No. It only checks status. It does not unlock, bypass, or change the phone.
No. The diagnostic is read-only and designed for status analysis.
Yes. Samsung is currently the most validated Android brand in this beta.
Having trouble with Google Play Beta?
Google Play Beta is the recommended installation method. If the beta is not available on your device or account, you can still download the APK manually as an alternative.