Friends, in today's modern age, smartphones have become an integral part of our lives. New phones are launched every day, but you can't afford a new phone every day. So, when budget constraints are tight, many people buy second-hand phones, which can be a budget-friendly choice—but only if you know what to look for. Whether you're buying online or from a local seller, it's crucial to inspect it:

1. Check the Physical Condition

Inspect the phone carefully for any signs of damage. Look for:

Scratches or cracks on the screen

Dents or wear on the body

Loose buttons or ports

Battery health (especially on iPhones—check in Settings > Battery)

2. Technical Inspection

Test the device's main functions:

Ensure the display is responsive

Check the front and rear cameras

Try the speakers, microphone, and headphone jack

Test the charging port and volume/power buttons

Connect to Wi-Fi, Bluetooth, and mobile data

3. Warranty and Original Bill

If possible, ask for the original purchase bill and check:

Is the phone still under warranty?

Does the bill match the phone's model and IMEI number?

This builds trust and can help with service or returns.

4. Avoid very old models

Phones older than 3-4 years may have outdated hardware, shorter battery life, and no longer receive updates. Avoid:

Models discontinued by the manufacturer

Devices that don't have spare parts

5. Check for Software Updates

Make sure the phone supports the latest operating system updates. This is important for:

Security

App Compatibility

Overall

6. Verify the IMEI Number

Using the phone's IMEI number, check:

If the phone is blacklisted or reported stolen

Network Lock Status

You can dial *#06# to view the IMEI, then verify it using an online IMEI check tool.

7. Test Real-Time Performance

Before finalizing the deal:

Use the phone for 10–15 minutes

Open apps, browse the web, make calls

Look for overheating, lagging, or other red flags

This will give you a better idea of ​​its actual performance.