SIM cardsMOSCOW, Jan 25 four years, there is no need to change them for prevention, experts told the agency. three years, this is their service life,» said Eldar Murtazin, a leading analyst at Mobile Research Group, chief editor of the Mobile-Review website. He noted that if, when changing a phone, a user notices that the connection has become worse, as a rule, this may mean that the contact is lost and then the problem is solved by replacing the SIM card. «There is no point in changing it (sim card — ed.). If in the distant past it was really necessary to change the SIM card in order to connect to LTE in addition to 2G and 3G networks, there was such a short period, today there is not a single reason why you need to suddenly go and change it,” said Sergey Polovnikov, head of the analytical agency Content Review. The expert also noted that if the sim card was sent to function, the subscriber would lose the signal on his mobile phone. In this case, first of all, you need to restart the device itself, then you can try to remove and insert the SIM card back. If this does not help, you should just walk with your passport to the nearest communication salon and get a new sim card. death» smartphone
