As the next generation light source and compare with the tradition fluorescent, LED light bulbs is much health without mercury. With the high light based on low watts and turn on instantly, makes the energy more efficient than before.
This R-SIM card can only unlock iPhone 4S iOS 5.0 - 5.0.1 based on GSM or WCDMA SIM cards. Yet Not with CDMA SIM cards.
It doesn't work with any iPhone 4 for all basebands (includes upgrade to iOS 5.0.1).
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