After confirming an incompatibility between the iPhone 4S and China Mobile’s SIM cards last month, Apple has now fixed the issue, according to China Mobile.
The issue was in iPhone 4S’s GSM chip, which only supported the P frequency band (885-915MHZ), but not the E frequency band (880-890MHz), China Mobile explained.
The problem has now been solved, and all devices manufactured after Feb. 8 fully support China Mobile’s network.
For customers who bought an iPhone 4S before that date and are using China Mobile’s network, Apple may release a China-specific iOS update in early March to resolve the signal problems.
While this issue may not seem very interesting to those of us outside China, it is definitely a serious one for Apple. China Mobile is the world’s largest mobile operator with more than 650 million subscribers; although it is not yet officially a partner of Apple, rumors say this might change in the near future.
Recently, Apple CEO Tim Cook pointed out that China is a very important market for Apple, and Morgan Stanley’s Katy Huberty predicted that Apple could move as many as 40 million iPhones in China in 2013.
iPhone 4S
The iPhone 4S looks and feels exactly like the iPhone 4.
iPhone 4S Video
The iPhone 4S comes with an 8MP camera, an improved lens, 1080p HD video and a slew of upgrades that allow for faster video taking and crisper images.
iPhone 4S Camera
New features such as cropping are now available through the iPhone 4S Camera.
Siri
The most important new feature of the iPhone 4S is Siri, a voice-controlled "Intelligent Assistant" that can complete tasks based on natural language. Ask it what the weather is like today and it will respond with details.
iCloud
Apple launched iCloud at its event, allowing users to sync their photos, music, emails and more across iOS devices.
iCloud Across Devices
iCloud also works between iOS devices and Mac OS X Lion.
iCloud Photos
Photos taken on the phone are automatically uploaded to iCloud. Then they are available on your other Apple devices.
iOS 5
iOS 5 is the new version of Apple's mobile OS. It includes revamped notifications, a new Messages feature and deep integration with Twitter.
Messages
iOS 5 includes a new Messages feature for sending messages to other iOS devices for free, no texting required.
Notifications
iOS 5 includes revamped notifications. No more annoying push notifications!
Newsstand
Apple launched Newsstand, an app for downloading magazines, newspapers and other subscription-based content automatically.
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