Many established phones of the moment, such as the Moto G6, the Huawei P20 Pro, and the Samsung Galaxy Note 9, can be found in both single and dual-SIM guises if you scout around the usual online suspects.Д¬hinese manufacturers, in particular, have been at the forefront in offering dual-SIM functionality as standard. With the increasing popularity of buying cheap unlocked phones online, however, that situation is starting to shift. The power of the mobile operators, who prefer to lock customers into a single plan per subsidised handset, doubtless has much to do with that. Plenty have made their way West, though the UK has been relatively slow to pick up the trend. TheyвЂ™ve been on the market for a while now, and not just in developing countries. Current dual-SIM smartphonesДЄs youвЂ™ve no doubt ascertained by now, dual-SIM smartphones are not a recent phenomenon. ItвЂ™s no surprise, then, that dual-SIM phones have become highly popular in such countries. Having a second SIM to hand to cover for this is often necessary. When it comes to the huge Chinese smartphone market, roaming between provinces can lead to costly fluctuations in call charges. ItвЂ™s very common for people to run multiple SIM cards on a single device, chopping and changing according to different business and personal needs. In many developing countries where fixed-line phones and internet availability arenвЂ™t as prevalent, a relatively fractured mobile network environment forms the backbone of the economy.

It means theyвЂ™re more likely to be contactable regardless of any network-specific black spots. The potential convenience of whittling this down to a single handset is clear.ДЄ dual-SIM set-up can also be useful for business users who travel a lot in countries with variable mobile connectivity.

ItвЂ™s not uncommon for people in developed countries to have a second phone for work purposes. Having a dual-SIM phone means that you can run two mobile numbers and accounts simultaneously from one device. What are the benefits of a dual-SIM phone? This means that you donвЂ™t have to deliberately switch in between the two to receive calls and texts, but you can usually only actively use one at a time for data usage. In most modern dual-SIM smartphones, both SIM cards operate in a standby state. Such a process isnвЂ™t necessary with a dual-SIM phone, though there are still limitations. When it comes time to change your phone, you typically need to transfer your SIM card across to the new device if you want to keep your number (without jumping through a few operator hoops, at least). The SIM card tray of your typical dual-SIM phone tends to be elongated to allow for that extra piece of plastic. ItвЂ™s the little integrated circuit, stuck onto a cheap piece of plastic which securely stores and authenticates your unique mobile number.Дual-SIM phones are phones that contain the capacity to run two SIM cards simultaneously. SIM stands for subscriber identity module or subscriber identification module. So what exactly is a dual SIM phone? What are the benefits? And why might the SIM-hating Apple consider incorporating this feature into its iPhone range? What do we mean by dual-SIM? WeвЂ™re talking about dual SIM compatibility, which will likely either seem totally alien or rather old hat depending on which part of the world you live in. Why might Apple be sniffing around dual-SIM?ДЄmong all the leaks and rumours to emerge in the lead up to AppleвЂ™s September 12 iPhone event, one feature, in particular, stands out.

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