Device Info
4.8 ★ · 1M+ usersKnow your phone.
Inside out.
Check your phone specs and monitor CPU, GPU, RAM, battery health, sensors, network and temperature in real time — plus hardware tests and full device reports. No tracking. No account.
Every phone spec, in one app.
CPU and GPU, RAM, battery health, storage, sensors, display and camera — every reading comes straight from Android and updates live.
A dedicated screen for everything.
Every category gets its own clean, Material You screen with live values, graphs and details you can copy with a long-press.
Hardware tests & phone diagnostics.
Hardware tests
Check a phone before you buy it, after a repair, or when something feels off. Each test walks you through it in seconds.
Wi-Fi analyzer
Scan nearby networks for signal strength, channels, standards, security and estimated distance.
Apps & App Analyzer
Permissions, activities, services, providers, receivers, signatures, min/target SDK, APK extraction and graphs across all your apps.
Floating monitor & widgets
Overlay RAM, battery and CPU temperature on top of any app, or add Material You widgets to your home screen.
Export reports
Save complete device and system info as a Text or PDF report for support tickets, repairs or resale.
Designed for detail.
Material You on every screen, in light and dark, with your choice of eight colour themes.
All 20 screens
Learn more about your phone.
What is Thermal Throttling on Android & how to Prevent it
Why your phone slows down when it gets hot, and what you can do about it.
Read the guide → BATTERYHow to Check Battery Cycle Count on Android (2026 Guide)
Find out how many charge cycles your battery has been through.
Read the guide → CPUHow to Check CPU Temperature on Android (2026 Guide)
See live CPU, GPU and battery temperatures and what counts as too hot.
Read the guide →Frequently asked questions
How do I check my phone’s specs?+
Open Device Info and you’ll see the full specifications right away: model, chipset, CPU and GPU, RAM, storage, display, cameras, sensors and Android version, each on its own tab.
How do I check battery health on Android?+
Open the Battery tab in Device Info. It shows battery health, temperature, voltage, current in mA, power in watts and the estimated capacity, updated live. How to check battery cycle count.
How can I see my CPU temperature?+
The Thermal tab lists every temperature sensor Android exposes, including CPU, GPU and battery zones, with live readings and thermal headroom. Read the full CPU temperature guide.
Can I test a used phone before buying it?+
Yes. Run the hardware tests to check the display, multi-touch, speakers, microphone, sensors, buttons, charging, vibration and more, then compare the specs with the seller’s listing.
Is Device Info free?+
Yes, Device Info is free to download on Google Play.
How do I change the theme or accent color?+
Open the menu and choose Settings. You can switch between light and dark mode, pick an accent color, or follow your wallpaper's dynamic colors.
Can I copy a value?+
Yes — touch and hold any item to copy it to your clipboard.
Why does the app ask for permissions?+
Permissions are used mainly for hardware tests and specific readings such as Wi-Fi scanning. No personal data is accessed or collected.
Why might camera megapixels look different?+
Some manufacturers restrict what Android exposes to third-party apps, so the reported resolution can differ from the advertised figure.
How often do widgets update?+
Widgets show temperature, RAM, storage, battery and your completed test results, and refresh automatically in the background.
How do I export my device info?+
Use Export from the menu, choose the sections you want, and save as Text or PDF.
Built by one person, for everyone.
Device Info is designed, built and maintained by one developer. There's no big company behind it, so questions, bug reports and feature ideas come straight to me.
See what your phone is really made of.
Free on Google Play. Trusted by over 1 million users.
