USB drivers plays an important role when it comes to connectivity. Android is an open source project which allow you to perform different functions on your Android smartphone via computer. While performing those actions, you will need to install the USB drivers for your smartphone on your computer.
IMEI number of mobile phone is very important and it is a unique number. Every mobile phone has its own unique IMEI number which make the particular device different from other device. IMEI number is very useful in many situations, like when your phone get stolen, you can access your phone through IMEI number.