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SIM CARD 6pins or 8pins ( which is more popular ? )

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abdalla

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sim 6pins and 8pins

Hi,

which is more popular sim card 6pins or 8 pins ?

and does the pins are compatible together..So 6pin can be attached in 8pin simcard packet...?

thx,
 

M!k

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use of 6 pins in sim card

All contemporary chipcards use only 6 pins. Pins C4 and C8 (the 2 additional pins of a 8 pin card) aren't used today.
The assignment of the 6 remaining pins (better 5, as Vpp is also not used) are standardized according to ISO-7816. You can also check this in the GSM specs.

There's another exception:
in some homebrew cards like Goldwafer the external EEPROM can directly be programmed via C4 and C8 - but that's really not a standard.
 

meysam_abbasinia

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sim card 6 pins 8

hi,
i think 6 pins is popular and today more use.
 

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