Apple may have been dealt a huge blow in its continuing fight for smartphone dominance.
Reports are emerging that the next iPhone - either the 'iPhone 6' or the renamed 'iPhone Air' - might be delayed until 2015.
The news reports say that the bigger battery required by a larger iPhone has not yet passed testing, and might not make the deadline for a September launch.
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The bigger phone may not be the only iPhone scheduled for release this year, however - meaning Apple will still have something to show off by September.
And as ever, this is just rumours layered on top of rumours. So don't panic just yet.
Get the details in the video above.