Apple later today will take a step back in time and unveil a smaller iPhone in an effort to boost sales by expanding its portfolio, according to several analysts.

The new iPhone expected to be introduced by CEO Tim Cook and other executives will likely be a smaller device with a 4-in. display, a size Apple discarded in September 2014 when it rolled out the larger 4.7-in. iPhone 6 and the even bigger, 5.5-in. iPhone 6 Plus.

Although Apple continues to sell a 4-in. smartphone — 2013’s iPhone 5S — it will introduce a new model in that size to reclaim a segment it abandoned when it went all in on larger screen devices.

“There are people out there who just want smaller devices,” said Carolina Milanesi, chief of research for Kantar WorldPanel Comtech.

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