Most important thinks you need to Check Before buying any Android smartphones
1.Most important thing if you buying online. Check refurbished model (already used) phone, supposes you have the Oder a mobile from Amazon or any other online shopping platform just check go to settings > about > phone status > IMEI information then check the IMEI SV slots information it should be 00 ‘ZERO‘ if there some value. your phone is refurbished or already used by another one or Repaired by company You can also check by installing many apps like phone info-app.
2.You should have to check mobile radiation level, it should be less than 1.6 if mobile radiation is higher so is very harmful to your body so you can check by press *#07# on your mobile which you going to buy.
3.third You should have to check about the phone is that mobile OS. If you are going to buy an Android device should have to check android version logo like mention below.
For test Go-to setting > about > and tap 6 times on an Android version (version logo should be popping up on screen)
4.The Fourth one thing is that you should have to check mobile phone display technology like LCD, LED, TFT. LCD technology is very old you can go with LED OR TFT if you want a better quality of pictures.
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