2. Samsung Galaxy S II
The Samsung Galaxy S II has been widely embraced as the main challenger to the iPhone, judging by how quickly it's been flying off the shelves, and is generally considered the Ferrari of smartphones.
The device runs Android 2.3 Gingerbread and will be upgradeable to Android 4.0 Ice Cream Sandwich, so it will be useful for a while yet too.
A 1.2GHz dual-core ARM Cortex A9 processor and 1GB of RAM ensure that speed is not a problem, plus it's got a jaw-dropping 4.3in Super Amoled Plus display that brings pictures and videos bursting out of the screen.
Adobe Flash support is included so you can browse the web without restrictions, and the 8-megapixel camera on the back is impressive. This Android handset could well be the perfect stocking filler for those who haven't bought into the iPhone ecosystem.
Prices: Free from around £36 per month on contract or around £500 SIM-free.
1. iPhone 4S
If you want to give one gift this Christmas to guarantee a smile (and the sound of a computerised voice saying: "I'm sorry I can't answer that") the Apple iPhone 4S is the gift to give - unless that person isn't a fan of closed ecosystems.
The world has been falling over itself to get hold of the iPhone 4S since it was launched in October, with its advanced processing power, new and improved camera (easily the best on the smartphone market) and iOS 5 with iCloud syncing.
Even better, pre-download a copy of the Steve Jobs biography alongside it and the Apple lover in your life will be kept quiet for weeks to come. Except when you hear Siri piping up in the background.
Pricing: Free from around £35 per month on contract or around £499 SIM-free.
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