O2 is the first UK web to uncover pricing for its iPhone 4 tariffs .

Apple ’s late smartphone will be useable on either 18- or 24 - calendar month contracts , with prices starting from £ 25 for 100 minutes of margin call and straight-out school text messaging .

However , the connection has also choose to crest its once “ outright ” information offering . Users paying between £ 25 and £ 35 per calendar month on a 24 - month contract or between £ 30 and £ 40 per month on an 18 - calendar month contract have a data allowance of 500 MB per month .

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Those whose tariffs offer 900 or 1200 minute per calendar month will find their datum is crest at 750 MB , while those on the “ straight-out ” monthly contract have a 1 GB information allowance account .

or else , O2 customers can buy the French telephone themselves and then purchase one of O2 ’s easiness tariffs . These start from £ 15 per month and users can choose between being tied in for 30 days or a class .

The unlimited Wi - Fi use remains .

O2 ’s move to cap unlimited data point follows a similar move by AT&T , the iPhone ’s exclusive U.S. carrier . Last calendar week , AT&T announce new data plansthat did away with the carrier ’s $ 30 - per - calendar month for unlimited data offering .

O2 has not uncover how much the handset will be to purchase outright , or the donation Mobile River phone users on monthly contracts will have to make towards the headphone .

From October , the web will let user to buy a bolt - on that offers an extra 500 MB of data point per month for £ 5 , or an extra 1 GB for £ 10 per calendar month .

Apple ’s late smartphone was unveiled by Steve Jobsthis week at the company ’s Worldwide Developers Conference ( WWDC ) .

The new French telephone , which feature an all - new invention , has “ well over 100 new features ” include an HD screen , TV vocation , a gyro , a new iMovie app and infinite other rise .

Macworld staff put up to this written report .

32GB iPhone 4 (GSM, AT&T)

16GB iPhone 4 (GSM, AT&T)