Device Id: Phone Info & Tests

Device info & IDs, hardware tests, CPU monitor & app privacy — all in one.

Device Id shows every detail about your phone — and what other apps secretly see about you. 1,000,000+ users trust it for device IDs, hardware tests, CPU monitoring and app privacy scanning.

WHY 1M+ USERS CHOOSE DEVICE ID

✓ The only device info app with a built-in privacy scanner

✓ Verify any phone before buying — instant hardware tests

✓ One-tap shareable spec report (great for selling phones)

✓ Compare your phone today vs last month — spot changes

✓ Free, no in-app purchases, no hidden upgrades

PRIVACY SCANNER — What Your Device Exposes

- See which of your device identifiers apps can access

- IDs that don't reset vs. IDs that can be reset

- Risk badges: public, resettable, restricted, permission-gated

- Understand what's trackable before sharing your device

DEVICE INFORMATION

- Android ID, OAID (Open Advertising ID), GSF ID, IP address

- IMEI, Serial Number*

- Build ID, API level, Android version

- Manufacturer, model, brand, board, hardware

- Root detection

HARDWARE TEST SUITE

- Multi-touch test & dead pixel scan

- Speaker, microphone test

- Vibration, camera flash test

- GPS provider check

- Sensor responsiveness

LIVE SYSTEM MONITOR

- Real-time CPU usage & frequency

- CPU temperature & thermal status

- Battery temperature trend

- RAM, storage, thermal info

BATTERY HEALTH DETAIL

- Design capacity vs current capacity

- Charge cycle count (Android 14+)

- Health percentage & status badge

- Live voltage and temperature

NETWORK INFO

- Wi-Fi: SSID, RSSI (dBm), frequency, link speed, band (2.4/5 GHz)

- Cellular: carrier, network type (2G/3G/4G/5G)

- IPv4 and IPv6 addresses

- Public IP, location, ISP via ipinfo.io

DISPLAY INFO

- Refresh rate (Hz)

- Wide color gamut (P3) support

- HDR types: HDR10, HLG, HDR10+, Dolby Vision

- DPI bucket (xxxhdpi, xxhdpi, etc.)

STORAGE BREAKDOWN

- Internal storage used vs free

- External SD card stats (if present)

LIVE SENSORS

- Accelerometer, gyroscope, magnetometer

- Light, proximity, pressure

- Step counter

- See exact values updating in real time

INTERNET SPEED TEST

- Download speed in Mbps

- Ping in milliseconds

- Powered by Cloudflare

SNAPSHOT & COMPARE

- Save your phone state at any time

- Compare snapshots to spot changes

- Useful when buying used or before/after rooting

SHARE AS IMAGE

- One-tap full device report (image)

- Verified phone specs for selling, buying used phone

- Insurance / warranty proof

HOME SCREEN WIDGET

- Battery %, RAM, Android ID at a glance

- Resizable widget

- No app open required

Use cases:

- Selling your phone? Generate a verified spec report.

- Buying a used phone? Run hardware tests before paying.

- Curious about app privacy? See exactly what apps see about your device.

- Phone running hot? Check live CPU & temperature.

- Need an Android ID for setup? Tap and copy.

* IMEI/Serial only on supported Android versions and with permission.

* No data leaves your device. All checks run locally.

Free, no hidden upgrades.