The new mobile phone needs a small card, so how to cut it into a small card, and what should I do if I want to use a big card in the future?

1, the whole shearing process must first find the center point, as shown in the figure. And according to the current experience of card cutting, if you cut it into these values, 7 mm, 8 mm, 7 mm, 4.5 mm, you can put the card into the microSIM card slot smoothly. You can mark the scale with a ruler and pencil, and then handle it with scissors.

2. Draw a line according to the scale with a pencil.

3. Cut the card boldly and carefully.

4. After cutting, put the card into the microSIM card slot to use.

Extended data:

SIM card is mainly used in GSM network, W-CDMA network and TD-SCDMA network, but the compatible module can also be used in IDEN mobile phone. Some people refer to the RUIM card and UIM card of CDMA2000 and cdmaOne, also called SIM card. Although they have similar functions and abide by all the same mechanical and electrical standards and some software standards, the upper applications are not necessarily compatible.

SIM card consists of CPU, ROM, RAM, EEPROM and I/O circuit. When users use SIM, in fact, the mobile phone sends commands to the SIM card, and the SIM card should be executed or rejected according to the standard specification; SIM card is not a simple information memory.