Apple will preview upcoming changes to its phone and computer software Monday as it undergoes a major transition intended to offset eroding sales of its bedrock iPhone.

The company’s software showcase is an annual rite. But Apple is currently grappling with its biggest challenge since its visionary co-founder, Steve Jobs, died nearly eight years ago.

Many of the software updates are expected to be tailored for the digital services that Apple is rolling out to lessen its iPhone dependence.

Although still popular, the iPhone is no longer reliably driving Apple’s profits higher.  sales have fallen sharply for the past two quarters and there’s little reason to expect a quick turnaround.
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