Things to note before buying an old Samsung phone

Choosing a phone 'secondhand' helps users save a significant amount of money for many other useful things. However, to buy a good quality old phone, cheap price, many people wonder how to check, because most of us often do not have much experience to evaluate the above parameters. machine. To help users have more information and small experience for themselves when choosing to buy old samsung phones, the following article Network administrators will guide users how to test old machines before buying to avoid buying fake goods. , goods are "boiled", goods are built.

Samsung machine test operations before purchasing include:

1. Check out the appearance

First of all, anyone who buys an old phone will observe the sensory aspect of the first product. Look carefully at the camera body, the edge of the machine is scratched or scratched, is there any serious scratch? The appearance of the machine determines a lot of aesthetics, because no one will spend money to buy an old and ugly phone. Please check carefully because it is not necessarily the perfect beauty machine is good, because the seller can proceed to replace the outside case. So if you buy a used phone for a few years but feel like a new device, don't rush to whisper, remember to test more carefully at other steps to make sure you can buy good stuff. Look, if the device is satisfactory, will we check that the details inside the camera are working properly?

2. Connection port

Charging port

This is a very important part of the device, if the machine cannot charge, you will not be able to use it and will spend money to fix it. When testing the device, you should ask the user for charging to see if the battery is in or not. In addition to plugging in the power supply, you should also check the port connected to the computer to see if the machine is accepting or not? Please observe carefully the charging feet, because used machines often break or dust clinging is not guaranteed.

Headphone port

You should also plug the headset into the device to see if the headset is working properly, the sound will be shy or there is a problem.

3. Use the machine test command to test the hardware

With samsung lines, you can use * # 0 * # command to check the hardware of the device. After entering the test interface interface command, select each item to check the product.

1. Screen test: Select Red, Green, Blue, Dimming.
2. Touch test: Touch.
3. Speaker test: Receiver (Voice Speaker), Speaker (Speakerphone).
4. Vibration test: Vibration.
5. Check camera: Front cam, Mega cam.
6. Check the function keys: Sub key.
7. Along with many other feature testing items. These are the main test items that you can refer to.

In addition, you can use some of the following code to check more information for the device:

1. Software version check code: * # 9999 #.
2. Code to try vibration mode: * # 9998 * 842 #.
3. Code to check battery performance parameters: * # 9998 * 228 #.
4. Code for menu navigation to English: * # 0001 # and press SEND.

4. You check the connections and sensors

Wifi connection

For the device to connect to wifi to see if the device has any errors, please open the application, browser in the phone to see if the device is connected to wifi or not?

Bluetooth connection

Sending files via Bluetooth to another device as well as receiving from another computer is fine if no other person can find you when connecting to Bluetooth.

Sensor automatically rotates the screen

While watching movies, turn on the auto-rotate mode on the computer to see if this feature is still sensitive.

Proximity sensor

You manipulate the phone call and cover the sensor if you turn off the screen, the proximity sensor works well.

GPS location positioning operation

You go to the Google Map application to see if the device has a relatively accurate positioning at where you are opening the device. If relative location is received correctly, you can safely use the location feature on the device.

So the machine can partly reflect the quality of hardware and software in operation on the machine.

Take photos, record videos

For many people who are very interested in this feature, so open up the camera and check if the image quality is good and sharp?

5. Related accounts

When buying a second-hand machine, you need to ask the seller to log out of all available accounts on your device, such as a Samsung account and a Google account. Because if you do not log out, your phone is very vulnerable to lockdown. So, log out of the old owner's account and restore the original settings to the device to ensure safe use.

6. Check machine IMEI

Each of us will own a different DNA pattern, and so will smartphones. It is possible to view the mobile IMEI numbers as well as a piece of DNA code. There will never be two phones with identical IMEI numbers, unless one of the phones has a problem. Therefore, when buying an old phone, you should conduct a thorough check on the IMEI number.

To check your phone's IMEI number, enter * # 06 #. At this time an opened window will display information about the IMEI number of the device.

Next, please compare this IMEI number with its own IMEI number on the Settings section of the phone to see if it matches. Some models have an IMEI number on the back (eg iPhone) or a sticker printed with an IMEI below the device's battery. Please compare both IMEI numbers in these locations.

If all IMEI numbers match, your phone has already passed the 'parking lot' already. If there is any difference, it is an abnormal expression. It is very likely that the phone you are testing is swapped main or replaced with an IMEI number.

Wish you have the best and brightest decisions.

See more:

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2. Top 6 most worthwhile phones for students
3. 9 most common misunderstandings about smartphones today