are sim cards a standard size
The standard SIM is the most common SIM card used in mobile phones today. Measuring around 1â long by 0.6â wide it is the largest of the three SIM cards. â Buy standard Europe SIM card. The micro SIM is half the size of the standard SIM measuring around 0.6â long by 0.5â wide. The micro SIM appears in many phones including the iPhone 4. - Buy micro Europe SIM card. The nano SIM is 40% smaller than the micro-sim measuring around 0.5â long by 0.3â wide. The nano SIM first appeared in the iPhone 5.