A SIM, also known as a subscriber identity module, is a little plastic card that fits into your mobile phone. It lets you make and receive calls, send and receive texts, uses data on your phone, and hold information like your mobile number. Switching phones is simple since you can just remove your SIM card from your old phone and insert it into your new one because SIMs may also store contacts and phone numbers.
So, what’s an eSIM?
eSIMs are designed differently from the traditional-style physical SIMs. You’re probably asking yourself, what does the “e” stand for? The “e” stands for embedded, meaning it is not a removable plastic card inside your phone. Instead, it is a small chip embedded in the handset. Consequently, you cannot remove it and insert it into another phone.
In addition, the information contained in the eSIM is rewritable. This implies that you can switch to another network without removing your SIM card and inserting another one. However, it will take some time before eSIMs replace the typical plastic SIMs. Currently, most eSIMs are used as the second SIM in dual-SIM handsets.
Benefits of eSIMs
It is effortless to switch networks
Having an eSIM makes it effortless to switch between mobile networks. As mentioned earlier, you don’t have to order a new SIM card, wait for it to be delivered, insert it and switch to a different network. Instead, you simply switch between networks by making a phone call or online. Additionally, you don’t have to look for a SIM ejector tool to remove the old SIM from your mobile device.
You can switch to another network temporarily
One eSIM can store up to five virtual SIM cards. As a result, you can easily switch between different networks whenever you find yourself in an area without a signal on your preferred network. It also allows travelers to quickly switch to local networks without inserting a physical SIM card.
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It allows you to have several SIM cards
eSIMs allow you to have more than one phone number on one device. This is an excellent feature if you want one number for personal use and the other for business and you don’t want to carry two phones around.
Furthermore, you can receive texts and phone calls on both numbers all the time. You can also select which SIM to send texts, make calls, and use data.
eSIMs use less physical phone space
An eSIM eliminates the need for additional SIM cards and their trays on the handsets. In this sense, smartphone manufacturers can use this space to boost other features. For instance, they can use it to increase the phone’s battery size or add other features to the handset.
In addition, it could allow manufacturers to reduce the size of smartphones. The actual space advantage will be experienced on wearables like smartwatches because you wouldn’t want to wear a gigantic device on your wrist.
Currently, only a few recent smartphones and wearables have an eSIM. Moreover, not all networks support eSIMs. However, experts opine that the devices and networks will support this technology when it becomes standard.