Modify Your iPhone4 to Support Dual SIM Cards
Now-a-days, It’s very easy to get an iPhone (Chinese Mobile) that supports Dual SIMs at a time, but as the quality of those china phones are not so good, many are moving to Original Apple iPhone (Latest Version is iPhone4) as they have no other option. If you’re in such a situation of wanting iPhone4 with Dual SIM, then the below article is for you!
Solution: iPhone4 Dual SIM Card Adapter Case

Using this Dual SIM Card Adapter will enable your iPhone4 for use with two SIMs but not at the same time. Our motto here is to hold both the SIMs and switch between the two SIM Cards (Networks) for calls. It’s very easy to switch the network.
Preferences > iPhone > SIM Applications [Choose the Card you wish to use]
Benefits of Using Dual SIM Adapter Case for iPhone 4 is that it requires no software hacking, no jailbreaking or unlocking and no additional applications. It just works out of the box.
Note: If you’re using the Unlocked iPhone (Official/Unofficial), this adapter will help you insert SIM Cards without having to cut SIM into Micro-SIM size (as iPhone4 Supports only Micro-SIM). This is a very pretty advantage of this Dual SIM Card holder.

Features of Dual SIM Card Holder:
- Holds 2 SIMs (Dual-SIM)
- Requires no cutting of your SIM to make it a Micro SIM
- STK Menu (Read Instructions Below)
- Comes along with a Crystal Case to protect both SIM Cards as well your iPhone
- Compatible with iPhone 4G (Firmware 4.0.0, 4.0.1, 4.0.2)
How to Set Up Inside your iPhone?

Home > Settings > Phone > SIM Applications > Select the Network your Required
(If you don’t want it to auto-select SIM card for you when the signal is low, please de-select “auto/SW”)
Remember that it displays a message “No SiM Card Installed”, when you chose the second SIM card. Then Please wait 1 or 2 minutes for it to search, during which the message “No SIM” will get displayed on the top right of your iPhone screen.
The Cost of the Dual SIM Card Holder/Adapter Case for iPhone4 is $ 28.99 and you can purchase one here.
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7 Comments to “Modify Your iPhone4 to Support Dual SIM Cards”
Apple now has Rhapsody as an app, which is a great start, but it is currently hampered by the inability to store locally on your iPod, and has a dismal 64kbps bit rate. If this changes, then it will somewhat negate this advantage for the Zune, but the 10 songs per month will still be a big plus in Zune Pass’ favor.
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I found the similar dual sim card adaptor supports 3G network on http://www.simore.eu
Must be installed with high care but works extremely well on my iPhone 3GS
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I like the Black Case DUAL SIM adapter for iPhone 4 http://qyg-online.com
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Despite his appearance, and advancement, the Apple iPhone is still mainly a mobile phone-even though the appearance of saying something completely different. The phone has, of course, the possibility of making and receiving calls and communicating via messages, and everything in maximum comfort and high standards. Apple iPhone works in GSM quad-band frequency (850/900/1800/1900 MHz), which gives us great mobility and even coverage in virtually every corner of the world. With a durable battery, we can afford a really long chat, because the phone can withstand up to 8 hours of continuous talk-it’s really a very long time – it’s my opinion
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International Sim Card is the most effective way of getting in -touch with your loved ones when one is in another country .
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can this Dual SIM Card Adapter really enable your iPhone4 with two SIMs simultaneously ?
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Radha Krishna Reply:
September 6th, 2011 at 11:11 pm
No..the SIM’s won’t work simultaneously..You’ll need o switch between the two SIMs when required.
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