The phone seems to be called "The Other Half" -- or at least that's the working title for now -- and judging from Jolla's Facebook page it consists of a colorful plastic case, available in various shades including orange or green, which hooks onto the main chassis containing a 4.5-inch display (of unknown resolution), dual-core processor, microSD expansion with 16GB onboard, a "4G" modem, user replaceable battery and an 8MP rear camera.

ENGADGET

Additionally, the 440, 450 and 470 can be used with a six- or nine-cell user-replaceable battery.

ENGADGET

Two versions are offered: the BarkLimiter, which features a long-lasting (up to 10 months) user-replaceable battery, and the BarkLimiter Deluxe, which features a rechargeable battery that lasts up to three months.

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