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iPhone 3G/3GS Dual SIM adapter + external battery

Dual-sim card adapter + 3-in-1 ext battery for iPhone 3G and 3GS.
An innovative accessory for the iPhone 3G or 3GS has surfaced. It comes in the package consists of a protective case and a dual SIM adapter, provides your iPhone 3G or 3GS the dual SIM capability as well as a 3-in-1 external battery to extend its juice.

If you’re a businessman who owns an iPhone 3G or 3GS and frequently needs to switch between two cellular networks, this accessory works best for your iPhone, allows it to have dual SIM cards.

package - dual sim capability + battery for iPhone 3G and 3GS
The accessory also serves as portable power pack that ensures your iPhone never runs out of juice for coping with busy incoming and outgoing business phone calls. It also provides convenience for syncing with your PC/MAC with the battery on, easy switching between syncing and charging and with a hidden USB cable that lets you sync and charge your iPhone 3G/3GS anytime and anywhere.

Installation steps are also shown below, which you first need to insert the dual sim adapter, followed by the case. The best is the case protects your phone but does not add any bulkiness to it.

Installation steps of iPhone 3G or 3GS dual sim adapter

Buy online, USBFever, $60

17 Responses to “iPhone 3G/3GS Dual SIM adapter + external battery”

Pages: « 1 [2] Show All

  1. 11
    bruno Says:

    pour repondre a vos questions sur le double sim et double appel ,vous ne pouvez pas recevoir de double appel des deux cartes sI vous etes en ligne sur la sim 1 la deux bascule l’appel sur la messagerie et reciproquement
    par contre ce qu’IL ne faut pas oubliĆ© c’est qu’avec 2 sims le telephone cherche 2 reseaux donc consomme plus d’energie et la batterie ce decharge beaucoup plus vite
    il n’y a pas de solution miracle
    aujourd’huie le plus fiable en double sims est le SCIPHONE chinois i68 ou I9 sachant que pour 50 ,60 euros vous pouvez en avoir un

    Translated version

    Hello to answer your questions about the dual sim and dual call, you can not receive double appeal of two cards if you are online sim 1 on the two switches the call to the messaging and vice versa by cons that should not be forgotten that with the sims 2 trying 2 phone networks thus consume more energy and the battery that much faster decharge there is no quick fix
    Today the most reliable dual sims is susaphone Chinese i68 or I9 knowing that for 50, 60 euros you can have a


  2. 12
    Emmy Says:

    need to know if this dual sim accommodate fring for internet calls. thanks

  3. 13
    JOHN BERRY Says:


  4. 14
    Back cover adds dual-sim capability to your iPhone 4 Says:

    [...] or countries. With your newly purchased iPhone 4, you may also wish that it’d carry the dual SIM capability but unfortunately it is [...]

  5. 15
    Oscar Says:


    I have one UK iphone 3GS netlocked for UK O2, and I would like to use two sim cards on it (from different operators) without unlocking/jailbreaking the telephone just using your solution.

    Is your solution able to let any sim work on my cell? Or is it only valid for dual sim but I would need to unlock the iphone as well separately.

    I would really appreciate your feedback about or where to look for this specific solution I need.

    Kind regards

  6. 16
    James Says:


  7. 17
    ketyung Says:

    Just follow the link above get it from USBFever

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