Phone Test – Device Checker

DevDoor

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About this app

Check your Android phone before buying a used device, after a repair, or when a feature is not working as expected. Phone Test: Device Checker brings software checks, hardware tests, device information and clear results together in one app.

CHOOSE YOUR TEST
Start with Software Test, Hardware Test or Complete Test. The complete scan includes 29 software and hardware checks, combining automatic diagnostics with guided steps when your input is needed.

SOFTWARE CHECKS
Verify Android system response, CPU calculations, memory read/write and storage read/write. Follow the animated scan and review each result.

SCREEN AND TOUCHSCREEN TEST
Check display colors, look for dead pixels and uneven areas, and test touch coverage with a full-screen grid. Explore touch response and multi-touch support.

CAMERA, AUDIO AND VIBRATION
Test front and rear cameras, the camera flash, speaker, earpiece, microphone recording and vibration. Use guided checks to confirm what you can see, hear and feel.

BATTERY AND CHARGING TEST
View battery level, charging status, charging source, temperature, voltage, current and the condition reported by Android, where available. Start a charging test to check whether a connected charger is detected.

USB PORT TEST
Follow the steps to check USB power, confirm that a computer recognizes your phone and verify data transfer. USB power and data transfer are checked separately, with your confirmation for the transfer steps.

SENSORS AND CONNECTIONS
Explore supported sensors, including accelerometer, gyroscope, proximity, light sensor, compass and barometer. Review Wi-Fi, Bluetooth, NFC, mobile network and GPS/location status, with guided tests for supported features. Check biometric authentication on compatible devices.

DEVICE INFORMATION
See your phone model, manufacturer, Android version, security patch, processor, RAM, storage, screen resolution and refresh rate.

CLEAR RESULTS AND SAVED REPORTS
Review passed and failed checks, unsupported features and items that need your attention. Save manual test reports on your device and revisit them in test history. Choose a light, dark or system theme.

Some tests require permission, user confirmation, a charger, a computer or another compatible device. Available readings and tests vary by phone and Android version. Battery condition is Android's reported status, not a measured remaining-capacity score. Diagnostic results do not guarantee that a phone is free of faults.

What’s new

Initial release of Phone Test: Device Checker.
- Software, Hardware and Complete test modes.
- Full-screen display and touchscreen tests.
- Camera, audio, sensor and connectivity checks.
- Battery readings, charging detection and guided USB tests.
- Device information, local reports and test history.
- Light, dark and system themes.