LOS ANGELES - APPLE Chief Executive Steve Jobs said on Wednesday that outside developers will be allowed to create programmes for the iPhone, changing a policy that had angered many. Blocking outsiders from making programmes that would run easily on the iPhone has been one of a series of restrictions that have annoyed users, even leading to some lawsuits.

Mr Jobs, in comments on Apple's website, said a kit for developers still will not be available until February, as the company works out how to open up the phone without exposing it to malicious programmes.

Developers have tried to open up the iPhone for use in the United States on networks beyond Apple's US partner, AT&T, though Apple has blocked many such moves. Spokesman Natalie Kerris said Apple has not changed its policy on locking the phone to other networks.

But until now, Apple also had stopped software engineers from creating whatever they wanted to run on the iPhone, without delivering them through the iPhone's Web browser .

Some 200 applications have been created for use on those terms, but consumers and software makers have seen that as an extra layer of rules and technology that was unnecessary and throttled innovation.

Under the new policy, applications will be allowed to run in so-called native mode.

Mr Jobs said he expects malicious developers to focus on the iPhone. 'Since the iPhone is the most advanced phone ever, it will be a highly visible target,' he said.

Apple could require a digital signature for programs to authenticate their developer, he added, referring to a system that he said mobile phone maker Nokia is implementing. While this makes such a phone less than 'totally open, we believe it is a step in the right direction', Mr Jobs said. -- REUTERS