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Guangzhou Better International Co., Ltd was established in 2000. We are a professional manufacturer of mobile phone Dual Sim Card. we specialized in researching, designing, manufacturing, and marketing mobile phone Dual SIM card and other electronic products. Super Twin Sim card and Universal Dual SIM Card are our patent products with wonderful praise both in domestic and overseas markets. We always try our best to ......
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1. What is Dual SIM Card?

Our Universal Dual Sim Card (super twinsim card) is a device that can help you put two SIM cards in one mobile. It can make you realize one mobile with two SIM cards. Our super twinsim card allows to manage two GSM Sim cards in one mobile phone. This means users can switch between two numbers or networks. More and more people have two mobiles. One is for work and one for private. Our super twin SIM cards can let those people make things easier by just needing to use one phone.

Mobile is becoming a daily necessity. Nowadays more and more people like moving, especially businessmen are wandering from one place to another frequently. "Fliers" are often envied at the price of high roaming charges & long-distance fee. If your mobile is with super twin sim card, you can freely switch between different numbers of different areas by menu STK, avoiding high roaming & long-distance charges. Friends or customers from different area can find you by calling your any numbers. It can reduce half mobile charges economically. 

Many people hope to leave an integrated space to their closed lovers. Super twin card can set up a special line for you. One mobile is with 2 numbers, different number is for different people. Two numbers let you enable to share different happy & secret with different people. 

It becomes the life belief of people in E century that work hard and completely relax. It will not get the largest achievements and happiness unless you put all moods in one thing. If your mobile are with super twin sim card that one number is for business and the other for private, you can put into work thoroughly and enjoy life completely. Super twin sim card can improve your life quality easily. 

Mobile means always keep in touch with others, even move to any places. As you know, Different network has strong signal in different place. You can switch to the network that have strong signal when your existing network is in blind area. It can keep you away from the blind area of network by switching different numbers and freely communicate.  

2. Product related:

Nowadays more and more people like moving, especially businessmen are wandering from one place to another frequently. "Fliers" are often envied at the price of high roaming charges & long-distance fee. If your mobile is with super twin sim card, you can freely switch between different numbers of different areas by menu STK, avoiding high roaming & long-distance charges. Friends or customers from different area can find you by calling your any numbers. It can reduce half mobile charges economically.

Many people hope to leave an integrated space to their closed lovers. Super twin card can set up a special line for you. One mobile is with 2 numbers, different number is for different people. Two numbers let you enable to share different happy & secret with different people.

It becomes the life belief of people in E century that work hard and completely relax. It will not get the largest achievements and happiness unless you put all moods in one thing. If your mobile are with super twin sim card that one number is for business and the other for private, you can put into work thoroughly and enjoy life completely. Super twin sim card can improve your life quality easily.

Mobile means always keep in touch with others, even move to any places. As you know, Different network has strong signal in different place. You can switch to the network that have strong signal when your existing network is in blind area. It can keep you away from the blind area of network by switching different numbers and freely communicate.

3. General Usuage of Dual Sim Cards

  • Switch two numbers on-line, select different numbers freely by mobile Menu.
  • Needn't to power on or off your mobile.
  • Two different numbers can be active in turn.
  • Switch between different networks, save much roaming charges for you.
  • Separate business call from private call, give you more space, freedom , privacy.
  • Keep original shape of your mobile, don't affect the beauty of your mobile.
  • Easy to install and use.
  • Compatible to sim card that any company produced.
  • Safe to your Sim card.
  • Don't change or lose original record of the mobile.

4. General Function of Dual Sim Cards

  • Our Dual Sim Card (super twinsin card) is a device that can help you use two SIM  cards in one mobile. If you have two SIM cards and buy our super twinsim card, you can put two SIM card in one mobile and realize one mobile with Sim card numbers.
  • Use super twinsim cards, in order to save the roaming and long-distance calls charge. Freely choose numbers belonging to different GSM network, call out economically by one number, receive freely by another number.
  • Freely switch one network to another if your existing network signal is not good. Super twinsim card can let you always keep in touch with others , provide your good communication, never down line.
  • Separate business call from private call, give you more space, freedom & privacy.
  • One mobile is in hand, 2 numbers can be freely switched on-line. You needn't worry the loss of cards, because you frequently take on or take off your sim card.
  • Switch two numbers online. You needn't have power off or on to update your different sim card number.
  • Fashionable and novelty, absolutely privacy.

5. General Features of Dual Sim Cards

  • Compatible with the latest Worldwide SIM cards comp V1, V2 and V3 all supported.
  • Change the sim on the phones menu
  • Use 2 sim cards with 1 mobile phone
  • Switch between 2 cards directly, no need to turn your phone on and off.
  • No need to change the cover or back of your phone
  • Up to now all available dual sim solutions have been using an analog IC chip.
  • This new digital dual sim (HyperCard) ,however, it uses the latest digital IC chip.
    Therefore, switching is even more stable and you can switch sim cards in your phone menu. So you do not have to turn your phone off and on anymore if you want to switch sim cards.
  • You can program a call divert if you want to receive calls on both lines, change lines quickly when the signal is weak and save more numbers
  • You will need to trim your sim cards as the 2 sim cards will fit inside this holder.

6. Who are suitable to use it?

  • Clever users: the preferential charges within a system can save you 40-50% telecommunication costs.
  • Businessmen: businessmen and tourists who usually travel between different network.
  • Fashionable users: represent fashions and cool.
  • CEOs: one mobile phone is with two network, always keep in touch with others.
  • White collar persons: separate business and privacy, change card after work to prevent from disturbing.
  • Public administrators: keep secret while without losing courtesy
  • Vehicle fans: hire one card in their vehicles without holding the mobile phone.
  • Other users: persons who put emphases on keeping privacy and likes to take calls selectively.