We are all familiar with the word sim. We use the sim by mobile phone. Mainly, the sim type is different types of sim size. Generally, we use three types of sim daily life, like standard, Nano, micro. Different types of phone have different types of sim tray. It depends on what types of phone do you use.
Standard sim: Generally, we get the standard sim of the old generation phone. At present, the standard sim type not much use.
Micro sim: standard sim or micro sim deferent between plastic around. from after 2010 this sim type uses.
Nano-sim: it is a small type of sim. Generally, the Nano sim type sues on a newer smartphone.