🚀 Free Online Phone Diagnostic Tools

Test your phone's speaker, microphone, touchscreen and vibration instantly. No download required. No paid APIs. Works on iPhone, Android & PC.

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Instant Results

Get diagnostic results in under 60 seconds. No waiting, no installation.

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100% Private

All tests run locally. No data is recorded, stored, or transmitted.

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Universal

Works on smartphones, tablets, laptops - any device with a browser.

About Us

Phone Diagnostic Tools was created in 2023 to help users quickly test their device hardware without downloading apps or visiting service centers.

Our mission is to provide free, instant, and private diagnostic tools that anyone can use directly in their web browser.

We believe that technology should be accessible, transparent, and secure. That's why all our tools run 100% locally on your device - we never see, store, or transmit your personal data.

Based in Indonesia, we serve over 1.2 million users monthly from around the world.

📱 Choose Your Diagnostic Tool

🔊 Speaker Test

Test stereo, frequency response & eject water

🎤 Microphone Test

Check if your mic is working properly

📱 Touch Screen Test

Detect dead spots on your screen

📳 Vibration Test

Check your phone's vibration motor

Phone Repair & Diagnostics Blog

How to Fix Water-Damaged Phone Speakers

Complete guide to ejecting water from your phone speakers using sound frequencies...

Read More →

5 Signs Your Phone Microphone is Failing

Learn to identify microphone issues before they become critical...

Read More →

Touch Screen Dead Spots: Causes & Fixes

Understanding why your touchscreen stops responding in certain areas...

Read More →

Why Your Phone Stopped Vibrating

Troubleshooting vibration motor issues on Android and iPhone...

Read More →

📬 Contact Us

Have questions about our tools? We typically respond within 24 hours.

Privacy Policy

Last Updated: July 24, 2023

1. No Data Collection

We do not collect, store, or transmit any personal information. All diagnostic tests run entirely in your browser.

2. Local Processing

When you use the microphone test, audio is processed locally and never sent to our servers. Your privacy is 100% protected.

3. Third-Party Services

We use Google Analytics for anonymous usage statistics and Adstera for displaying advertisements.

🔊 Speaker Test & Water Ejection

Test stereo, frequency response & eject water from speakers

🎧 Stereo Test

Check left/right speaker balance

📊 Frequency Sweep

Scan for crackling or muffled sound

440 Hz

💨 Water Ejection

⚠️ Lower volume to 50% first!

Pro Tip: For best results, remove phone case and repeat water ejection 3-4 times.

🎤 Microphone Test

Check if your microphone is working properly

Click start to test microphone

Speak into your microphone. The visualizer will show activity if it's working.

📱 Touch Screen Test

Detect dead spots or unresponsive areas

Tap each box to test your touchscreen. All boxes should turn blue.

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📳 Vibration Test

Check your phone's vibration motor

Your phone should vibrate when you press a button. No vibration? Your motor might be faulty.

💡 Note: Vibration not working? Check Settings > Sound > Vibration is enabled. Some power-saving modes disable it.