LAS VEGAS—LG Electronics Inc. is doubling down on its smartphone strategy by launching a new model after a turbulent year.

The South Korean electronics maker plans to release a new flagship phone, the G6, “in the very near future,” Chief Technologist Skott Ahn said in an interview Wednesday at the consumer electronics expo CES. However, the new phone will move away from the modular design LG embraced to differentiate its products after its last version flopped.

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