Science and Technology Desk: Technology is improving day by day. Along with that, our quality of life is improving. One invention after another in the world of technology is surprising the world. A few days ago, Google announced that their Android phones will no longer have SIM slots. This surprised many people. So how to connect?

E-SIM

They indicated the use of E-Sim in Android phones. Simultaneously one to five SIMs can be used in e-SIM. For this, as SIM space is being sold in Android phones, you will also save the cost of buying multiple SIMs.

Grameenphone e-SIM is going to be launched in Bangladesh. Grameenphone e-SIM is available in three modes: Prepaid (Nishint), Postpaid (My Plan), Migration (Prepaid and Postpaid). It is estimated that by 2025, the use of e-SIMs worldwide will increase to 3.4 billion.

But many may still not know what E-SIM is. Let's know what is e-SIM and its pros and cons-

E-SIM is a virtual SIM installed on the phone. The full name of e-SIM is Embedded Subscriber Identity Module. It is not like a physical SIM card. If you buy an e-SIM, everything will work including calling and messaging. But you don't have to keep it on the phone. It is active over-the-air (OTA) through telecom companies.

The biggest advantage of e-SIM is if you change your SIM company. But you don't have to change the SIM card. Even if the phone gets wet with this, there will be no problem with this SIM. Even since there is no trouble of opening it again and again, there is no danger of losing this SIM.

You can also use multiple numbers at the same time. You don't need to buy a SIM for that. But e-SIM number should be taken. Up to five e-SIMs can be used simultaneously in one phone. But not more than three may be given to the user.

You can use e-SIM even when you go to other countries. This SIM will be useful there to get local number. E-SIM card or flagship phone you can easily separate walk and personal.

Meanwhile, Apple iPhone is offering e-SIM facility. Which will later be available in Samsung, Google and Motorola devices. However, along with the advantages of using e-SIM, there are also some disadvantages. For example, if you use multiple sims at the same time, the others will appear blocked if a call is made to one.

Apps that can seriously damage the phone

Also, you cannot transfer e-SIM from one phone to another phone at will. For example, if a smartphone is damaged or you buy a new smartphone, you cannot change the SIM at will.