Image of a Mini-SIM Card by Internet
Mini-SIM is the enhanced and upgraded version of a full-size SIM card which was the size of a credit card. Mini SIMs carried the technology which is compressed into a small area of the SIM card which shown in the below table.
| Length | Width | Thickness |
| Mini-SIM | 25.00 mm | 15.00 mm | 0.76 mm |
Mini-SIM introduced to the world in 1996 and the size of the mini-SIM was 2FF also known as 2 form factor. Mini-SIM developed by compacting the hardware which was built in a distributed card which is the size of a credit card to much smaller size and the copper plates on top of the Mini SIM card were the connectors to the mainboard of the cellular device.
Almost all the people considered Mini-SIM as the standard SIM or the regular SIM in the industry. People got the opportunity to use the same Mini SIM card with the credit card size adapter in the older phones which is capable only to read Full Size SIM Cards and to use it in the newest devices at the time which is only capable of reading mini-SIM cards.
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