A micro SIM card is the middle size. These have more plastic around them than a nano SIM, but less than a standard SIM. They also have a slightly larger chip. In terms of smartphones, you might need ...

The formula used to calculate SD card capacity in version 1.01 of the standard. The 1.01 standard made a seemingly minor change – allowing the block size to be 512, 1024, or even 2048 bytes per ...