First of all, when you get a mobile phone, of course, it depends on the appearance. If the phone is in good condition, samsung second hand mobile , we won't lose a lot if we sell it.
Next, turn on the mobile phone and test the basic functions: signal, wifi, earpiece, speaker, speaker, front and rear cameras, fingerprint, photosensitive, face recognition, and test whether the face recognition is normal. Again, use the test program that comes with the Samsung mobile phone, open the phone, enter *#0*# in the dial interface to enter the test program, the first three items are the red, green and blue color tests to see if the screen is aging, mainly to see if the colors are consistent, other We have tested some items, the most important one is the touch screen test. Fill all grids and pass the test. The last point, although it has nothing to do with the function of the mobile phone, but we also need to pay attention, because we bought a second-hand mobile phone, we must ensure that the machine is not stolen, otherwise it may be lost whether it is a mobile phone or RMB! ! like: Where did the old cell phone come from? Mainly these 3 sources! What is the difference between used and refurbished mobile phones? What should you pay attention to when buying a used mobile phone?
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April 2024
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