to put its Siri
voice control system on the iPhone 4
is not a shameless play to persuade users to upgrade to the 4S
, it's suggested, but a limitation of the Apple A5 chip found inside the newest iOS smartphone. The A5, Linley Group analyst Linley Gwennap says, was always too large simply to accommodate two Cortex A9 CPUs and a GPU, CNET
reports; the extra bulk is to house an on-chip noise-reduction system sourced from specialists Audience, which revealed its deal with Apple last month.