Lumia 1525 seems to be an upgrade to Nokia's first phablet, the Lumia 1520. It will feature the same hardware specs and 2K screen resolution, as the Lumia 1820, but come with a 6" panel and 25 or 30 MP camera on the back, offering some sort of solar charging display panel, too.
Not official: The information for this phone is preliminary and could be incomplete or inaccurate.
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