Some analysts, however, said there is a niche for the device.
"Galaxy Note might appeal to people who use it for work, [people] who want productivity and usability as well as portability and convenience," said Scott Bicheno, a London-based analyst with Strategy Analytics.
Samsung has sold about 12 million Galaxy Note devices globally since its launch and the Galaxy S III smartphone topped 10 million within two month of its release, according to Strategy Analytics. Most recently, Apple's iPhone 5 sold more than 5 million in its first weekend on sale.
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