To buy a used phone is sometimes beneficial because you can get good stuff with low prices. But buying a used phone also has its risks, especially if you are not careful when checking the condition of the device. Do not rule out, you will be the victim of a dishonest seller.
Well so as not to be deceived, then you should first learn the device you want to buy. Then when meeting the seller, do testing the various features and functions of the phone.
But there are some features and functions of the phone that are difficult to check unless you know the codes to open it.
Here are 15 secret codes android phone, so guaranteed you will not be deceived HP used sellers:
- Cell Phone Information and Use Statistics
Type * # * # 4636 # * # * to find out mobile phone information and usage statistics.
This code is very powerful to open the battery condition, SIM card and network information, usage statistics, and other information about the phone.
- Opening IMEI information
Type * # 06 # to open IMEI information.
This code is used to unlock mobile IMEI information. Check the number and match it with the IMEI listed in the product box. You should be suspicious if the IMEI number is different.
- Perform hardware testing
If you want to buy a used xiaomi phone, try typing * # * # 64663 # * # * to open the hardware testing function, from LCD, touchscreen and other important hardware information.
The code is different from one phone to another, here are the details:
Samsung uses code * # 0 * #
Sony uses the code * # * # 7378423 # * # *
HTC using code * # * # 3424 # * # *
As for the ASUS Zenfone phone by writing .12345 + = (do not forget the dot, and not typed in the dial menu but when the code is in the calculator)
- Restore factory settings
Type the code * # * # 7780 # * # * to restore the phone's condition back to its original settings. Be careful, by activating this code then the data and applications on the phone will be erased.
- Erase data and reinstall the software
Type in the code * 2767 * 3855 # to erase the data and reinstall the phone software.
- Camera information
Type the code * # * # 34971539 # * # * to display various information about the camera.
- Backing up data
Type the code * # * # 273283 * 255 * 663282 * # * # * to enter the fast data backup mode.
- Mode of checking service activity
Type the code * # * # 197328640 # * # * to enter the service status check mode
- Check WiFi
Use code * # * # 232339 # * # * OR * # * # 526 # * # * to find out the state of the WiFi feature
- Test the GPS feature
Use the code * # * # 1472365 # * # * to find out the GPS functionality
- Test the audio condition
Use code * # * # 0673 # * # * OR * # * # 0289 # * # * to find out the condition and quality of mobile audio
- Test the vibrate feature
Use the code * # * # 0842 # * # * to find out the condition of the vibrating function and the phone screen
- Test the touchscreen
Use code * # * # 2664 # * # * to find out the touchscreen condition
- Proximity sensor test
Use code * # * # 0588 # * # * to find out the proximity sensor condition
- Test Bluetooth
Use the code * # * # 232 331 # * # * to determine the condition of a bluetooth connection
Well, that's 15 secret code on android phone to unlock various features of the mobile phone testing conditions. Thus, you can minimize the risk fooled by phone dishonest sellers.
Testing them out right away.
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