Speculation is mounting that Donald Trump’s soon-to-be-released mobile phone may not be produced in the US after all, after despite initial claims on its official website.

Last week, the Trump Organization launched Trump Mobile, unveiling a $47.45 per month wireless plan dubbed ‘The 47 Plan’ and a $499 Android smartphone branded the ‘T1’. The service, which features patriotic imagery and Trump’s campaign slogan, was originally set to launch in September and is priced higher than many comparable plans.

The website initially stated that the phone would be “built in the United States”, but did not clarify what elements of the supply chain specifically would be handled domestically. But experts had questioned this claim due to the lack of a robust supply chain and manufacturing facilities in the US.

Until recently, the Trump Mobile website said: “Our MADE IN THE USA ‘T1 Phone’ is available for pre-order now.” However, in the last few days, the wording has been changed to scrub any mention of...