One must have the SIM card if his mobile service provider uses GSM, this small-sized chip has been placed under the battery in that all the information about the network and the SIM card owner have been saved. There are many advantages and disadvantages of using a SIM card like when you have a php lx SIM card you can use it in various mobile phones with just one account.
A small chip:
On the small chip itself, you can store all the details about the network provider, the messages, and nearly two hundred and fifty contacts. But some SIM cards can’t save these details automatically as the mobile phones are evaded to store them. In such mobiles, you just go to the settings option and click on the contacts option and copy the data to SIM cards.
A SIM card user can read all the information that is kept in the SIM card so if you buy a SIM reader it is easy for you to copy the information. But these readers can’t help you in downloading the wallpaper, ringtones or any other information about your phone.
Disadvantages are also there, one can’t take advantage of the multi-line facility in one SIM card, and also one can get only one number for one phone. There is no warranty for the SIM so if the SIM card goes bad or broken you need to buy a new one, this needs a journey to the local trader.
Prevent is better than cure:
When a mobile owner forgets to lock his phone or lost his phone any person with GSM phone can steal the SIM card and get all the details of the SIM card along with all your contacts and messages. And if he is not able to catch the thief then it becomes a headache for him and his contacts.
To avoid these situations, lock your phone whenever your phone is not in use, and locking the SIM card is also a good idea to keep it safe. Even having the dual SIM has both advantage and disadvantages, when a person has two separate mobiles and two SIM cards it may be a difficult one to handle it and carry it for such users the mobile manufacturers create the dual SIM option in one mobile.
Dual SIMs of one network:
Different network providers put different charges so when a dual SIM user has two different network providers it will be difficult for them so try to use the same network service dual SIMs. There is no good way to escape from two different cost charges. For a businessman, it is quite difficult to use a single number for both personal and work-related queries so it is the best option.
The two SIM cards also come with the backup storing option, their storage capacity is same for all the SIM cards, but you don’t need to save the contact numbers in both the SIM cards save important files in another card’s storage, it is one of the advantages of having the dual SIMs and you can also use the second SIM card in a different mobile.