How do I know if my new phone has defects?

How to Check if Your Android Phone is Refurbished or Factory-New

1. Tap your Phone app and open up the dialer.
2. Using the touchscreen keypad, dial ##786# (aka ##RTN#). No need to press dial; the phone should automatically open up to the RTN screen.
3. Scroll down the RTN screen to Reconditioned status.

How do I test my new Android phone?

Launch the phone app and open the keypad. Tap the following keys: #0#. A diagnostic screen pops up with buttons for a variety of tests. Tapping the buttons for Red, Green, or Blue paints the screen in that color to make sure the pixels are working properly.

How do I test my new smartphone?

You can use an Android Testing app like Device Info. Device Info is a simple app that lets you check out your phone’s hardware and see if everything is working as it should. Get it from playstore ( Device Info ).

What to check after buying a smartphone?

Things to Check in Person after Buying a Smartphone

1. LDI.
2. Check the Box.
3. Golden Connections.
4. Snug Battery.
5. Tilt Test.
6. Qwerty Keyboard Check.
7. External Speakers.
8. Internal Speakers.

How can I test my phone’s performance?

5 apps for benchmarking your Android device

1. Quadrant Standard Edition. Quadrant Standard Edition tests CPU, I/O, and 3D graphics.
2. Linpack. Linpack is a benchmark that’s been used to measure the CPU performance of some of the world’s fastest computers.
3. Neocore.
4. AnTuTu.
5. Vellamo.

How do I check my Android system?

To find out which Android OS is on your device:

1. Open your device’s Settings.
2. Tap About Phone or About Device.
3. Tap Android Version to display your version information.

How do I check the condition of my Android phone?

Here are the two main codes usable on most Android devices:

1. *#0*# hidden diagnostics menu: Some Android phones come with a full diagnostics menu.
2. *#*#4636#*#* usage information menu: This menu will show up on more devices than the hidden diagnostics menu, but the information shared will be different between devices.

How can I check my Android phone performance?