Can I change my card directly without turning it off?

Nowadays, the use of mobile phones is very common, and mobile phone cards are also an indispensable part. Sometimes we need to change our mobile phone card, but we don't want to turn it off. At this time, there will be doubts: we can change the card directly.

The answer is yes. At present, most mobile phones support hot plug function, which means that mobile phone cards can be replaced without turning off the phone. This design is to facilitate users to change their cards, especially when they travel or need to change cards of different operators, which will not affect the normal use of mobile phones.

Matters needing attention

Although you can change the card directly, there are still some things to pay attention to:

Before changing the card, make sure that the phone has been unlocked, otherwise the new card may not be recognized.

You need to reset the network parameters after changing the card, otherwise you may not be able to access the Internet.

After changing the card, you need to re-enter the SIM card password, otherwise you may not be able to make a call.

You need to reset the number of the SMS center after changing the card, otherwise you may not be able to send SMS.

You can change the card directly without turning it off. This design is to facilitate users to change cards. However, before changing the card, it is necessary to ensure that the mobile phone has been unlocked. After changing the card, it is necessary to reset the network parameters, enter the SIM card password, and set the SMS center number. This can ensure the normal use of mobile phones.