If you're considering purchasing a secondhand phone, it's crucial to examine the hardware and obtain complete software details by using a doctor phone. Install the "Test my Android phone" app on the smartphone and check the software and hardware functionality.
The straightforward and effective Android software Device Info provides you with comprehensive information about your mobile device together with cutting-edge user interfaces and widgets. Information regarding the CPU, RAM, OS, Sensors, Storage, Battery, SIM, Bluetooth, Network, Installed Apps, System Apps, Display, Camera, Thermal, etc., is included in the device information or phone information, for instance. Additionally, hardware tests may be used by device Info/phone Info to benchmark your device.

What is included therein:
Dashboard: CPU, RAM, battery, internal storage, external storage, sensors that are available, installed apps, and optimizations

Device: WiFi Mac Address, Build Fingerprint, Manufacturer, Manufactured Date, Device Age, Device, Board, Hardware, Brand, IMEI, Hardware Serial, SIM Serial, SIM Subscriber, Network Operator, Network Type, and USB Host

System information includes the following: Version, Code Name, API Level, Released Version, One UI Version, Security Patch Level, Bootloader, Build Number, Baseband, Java VM, Kernel, Language, Root Management App, Google Play Services Version, Vulkan Support, Treble, Seamless Updates, OpenGL ES, and System Uptime.

CPU: System on Chip (Soc), Processors, CPU Architecture, Supported ABIs, CPU Hardware, CPU Governor, Number of Cores, CPU Frequency, Running Cores, GPU Renderer, GPU Vendor & GPU Version

Battery: Power Source, Technology, Temperature, Voltage, Power (Watts), Current (mA), and Capacity

Applications: User Applications, Installed Applications, App Version, Minimum Operating System, Target Operating System, Installed Date, Updated Date, Permissions, Activities, Services, Providers, Receivers & Extract App Apks

App Analyzer: Use cutting-edge graphics to analyze each of your applications. Additionally, you may arrange them according to target SDK, minimum SDK, install location, platform, installer, and signature.

Device testing: Use the following components to benchmark your device and use the automatic tests to verify it. You may test the display, multi-touch, flashlight, loudspeaker, ear speaker, microphone, ear proximity sensor, light sensor, acceleration, vibration, Bluetooth, Wi-Fi, fingerprint sensor, volume up and down buttons, and other features.

Temperature: All of the system's thermal zone readings

Camera: Every function your camera is capable of.

Supports dark theme & custom colors for themes

customisable Widgets: Three sizes of fully customisable widgets that highlight the most crucial data

Export Reports: Export text reports, Export PDF files, and Export reports that may be customized.

Getting permissions
For network information, use READ_PHONE_STATE.
Tests for the camera's flashlight and the microphone for recordings
Bluetooth Test, BLUETOOTH_CONNECT
Test of the ear speaker and loudspeaker using READ_EXTERNAL_STORAGE
To extract applications, use WRITE_EXTERNAL_STORAGE.


Note:
Fixing Defective pixel Mode is not guaranteed to fix the defective pixels. If you have any questions, please contact the manufacturer. The developers will not be held responsible.

Privacy:
No data and information on the phone will be collected.

Credit:
Android and Google are the trademarks of Google Inc.