Advice 1: How to work the phones for 2 SIM cards

Phones with 2 SIM use one or two radios, the principle of operation of which is somewhat different from the circuit boards of the device with 1 SIM card. The dual SIM phone has its advantages and disadvantages that affect the usability of the device.
How to work the phones for 2 SIM cards

The principle of operation



The amount available for the use of radios in the mobile phone is determined by the manufacturer of the mobile device. In a dual-SIM phone that uses radio 1, both SIM cards operating in the standby mode. When a call to the card of the same operator of the second SIM card becomes unavailable. Thus, the phone allows you to use two SIM, but the active card is still the only one. The situation is similar at phones with one radio module formed by using the services of the Internet: only one SIM can realize the transmission and reception of packet data, while the second card is in idle mode.

Devices that have 2 built-in module can work simultaneously with two operators. During the telephone conversation, the subscriber can receive the call on second SIM card, i.e. the user has the opportunity to talk with two people without interrupting the call. As soon as the phone user answers the second call, the first call set in standby mode. After a conversation with a second caller you can return to the conversation with the first man.

Switching between SIM



To switch between the active used SIM cards manufacturers add additional capabilities in the software of their devices. At the same time on some phones additionally implemented a button to switch active cards, located on the front side or the side of the device. Some devices present the user 2 key to send a call to a subscriber, each of which is assigned to each operator.

Advantages and disadvantages



Among the advantages of such devices include the ability to save on mobile communication. In the phone you can install cards 2 different service providers. For example, the first operator to offer cheap calls to the subscribers of telephone networks, and the second gives the ability to cheaply send SMS or share the batch data on the Internet. For people who in the course of their life using two phones, dual-SIM phone will be an ergonomic alternative.

Among the disadvantages of dual-SIM devices, you can mark them overpriced compared to odnoskatnyj models cost. However, in the modern market of mobile phones presents a large number of budget models that will satisfy the requirements of even the most frugal consumer.

Advice 2 : How to choose a smartphone for two SIM cards

Dual-SIM phones offer advanced functionality for mobile networks. This means that the purchased phone will be running 2 SIM, applying them in accordance with the requirements of the user. Such devices can be successfully used for both talking and surfing the Internet.
How to choose a smartphone for two SIM cards

Price category



To date, the cost of the phones with 2 SIM cards can start from 2,000 rubles. and reach values of more than 20,000 R. depending on the price segment and will change the device's functionality. However, the majority of control system SIM 2 on each phone is the same. The user has the ability to use one card, for example, to surf the Internet and one for calls.
The cost of vehicles running on SIM 2 can be considerably higher than comparable models with a single SIM.


The model of the device



In accordance with the selected price segment, determine the brand and model of the device. For example, Samsung is one of the first to offer devices based on 2 SIM. The range of devices manufactured by the company on the basis of dual-SIM radio, called Duos. With almost all phones running 2 SIM cards created on the Android platform. Some of the most inexpensive and sought-after devices Samsung line Duos are Galaxy Y Duos and Galaxy Ace Duos.

Other quality devices proven on the market, are devices LG. Among the popular models with 2 SIM can advise smartphones lines L3, L5 and L7, characterized by diagonal display, and installed in the phones hardware. A large amount of worthy options dual-SIM devices represented firms HTC, Sony, Fly.

In early 2014, 3 of the device supports two SIM were submitted, and Nokia. The most inexpensive phone with two SIM can be found in the range of Chinese companies. However, you should pay attention to the brand fame. For example, Lenovo, Huawei, and Oppo are producing quality devices that deserve the attention of the users. However, one should not look towards devices from unnamed brands and for too low a cost.
The device from a little-known Chinese companies have problems with the operation of the radio switch between the two SIM cards.


Technical requirements



Looking at the models, decide and the requirements that you push to the device. You can buy for the small price of a device without the built-in camera or with a camera, the resolution of which does not exceed 5 MP. The most expensive models can be equipped with 13 megapixel cameras. Due to the increased consumption of a good dual SIM phone must have a battery, whose capacity is higher than odnoimennogo analogue.

Advice 3 : How to work the phones for 2 SIM cards

Phones with 2 SIM use one or two radios, the principle of operation of which is somewhat different from the circuit boards of the device with 1 SIM card. The dual SIM phone has its advantages and disadvantages that affect the usability of the device.
How to work the phones for 2 SIM cards

The principle of operation



The amount available for the use of radios in the mobile phone is determined by the manufacturer of the mobile device. In a dual-SIM phone that uses radio 1, both SIM cards operating in the standby mode. When a call to the card of the same operator of the second SIM card becomes unavailable. Thus, the phone allows you to use two SIM, but the active card is still the only one. The situation is similar at phones with one radio module formed by using the services of the Internet: only one SIM can realize the transmission and reception of packet data, while the second card is in idle mode.

Devices that have 2 built-in module can work simultaneously with two operators. During the telephone conversation, the subscriber can receive the call on second SIM card, i.e. the user has the opportunity to talk with two people without interrupting the call. As soon as the phone user answers the second call, the first call set in standby mode. After a conversation with a second caller you can return to the conversation with the first man.

Switching between SIM



To switch between the active used SIM cards manufacturers add additional capabilities in the software of their devices. At the same time on some phones additionally implemented a button to switch active cards, located on the front side or the side of the device. Some devices present the user 2 key to send a call to a subscriber, each of which is assigned to each operator.

Advantages and disadvantages



Among the advantages of such devices include the ability to save on mobile communication. In the phone you can install cards 2 different service providers. For example, the first operator to offer cheap calls to the subscribers of telephone networks, and the second gives the ability to cheaply send SMS or share the batch data on the Internet. For people who in the course of their life using two phones, dual-SIM phone will be an ergonomic alternative.

Among the disadvantages of dual-SIM devices, you can mark them overpriced compared to odnoskatnyj models cost. However, in the modern market of mobile phones presents a large number of budget models that will satisfy the requirements of even the most frugal consumer.

Advice 4 : Mobile phones for two SIM-cards: are they reliable?

A phone with two SIM cards today are nothing new. Many people have already felt how convenient it is: it can be used in one device at the same time and a personal card, and corporate. However, still some questions arise: how comfortable talking on this phone? Is it big? And how exactly does the principle of switching from one SIM to another? The experts prepared their explanations for this reason.
Mobile phones for two SIM-cards: are they reliable?
Phones with two SIM-cards appeared on the Russian market not so long ago – just a few years ago, but has already gained popularity among users. And the reasons for this are many.
Trying to connect 2 SIM cards in the native camera were long. At first it was carried out by means of a special adapter which is inserted into the apparatus. However, this SIM card worked intermittently.


What's the advantage of choosing such a phone



The advantages of the devices with two SIM cards quite a lot. One of them, which can be classified as main - the ability to use cards of different operators. And not necessarily that it was a personal and a corporate SIM. Many subscribers use SIM cards of different operators, to save on calls.

Also this phone will be useful in situations where one account they ran out of money and need very urgently to call and no way to replenish the balance.
You can often hear the myth that a phone with 2 SIM cards radiates 2 times more waves. Actually nothing to do with the truth of such conjectures have not. What cards in the slot more, the phone becomes more aggressive.


How to choose a reliable mobile phone with 2 SIM



First and foremost, remember that reliable a phone for 2 SIM cards can cost 100 rubles and 200 can not. For the money you will get cheap Chinese fakes that will last you a month, tops. Better to pay attention to the models of the popular manufacturers, which are now in the stores quite a lot. Their version of dual-SIM phones offer Samsung, LG, Nokia, and others.

Again, you need to focus on price and freshness model. The newer the model, the more reliable development. After all, those who are working to create a device, take into account previous mistakes and experiences and make the necessary corrections.

In a secure device the SIM card must be placed compactly and do not interfere with each other. Of course, on this basis does not mean that the phone is with 2 SIM cards have to be huge and looks like a small tablet.

A reliable apparatus of this kind can be called the phone that quickly switches from one SIM to another without requiring reboots and recharges.

The unit itself must be strong: slot move well, not lax, the seam is not at odds, etc. otherwise, changing SIM cards, or constantly using it, you will not be able to enjoy intercourse. This model just fall apart in your hands.

How can I replace



If you are afraid to buy the phone on 2 SIM cards, can find another way out and use Multisim. This is a special card, which is quite simple to manufacture. Using computer technology, one chip transfers the data from several cards. And when you reboot your phone will only need to select a number to perform a particular task.
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