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OnePlusA China-based manufacturer of Android smartphones. Introduced in 2014, OnePlus models are unlocked 5.5" Android phablets with quad-core Snapdragon CPUs and up to 8GB RAM that initially ran the Cyanogen version of Android (Cyanogen was later replaced with the company's own Android-based OxygenOS). The One was widely praised for its quality and USD $349 price tag with 64GB of storage, less than half the cost of top phones on the market in 2014. Devices are sold directly from the company, and although subsequent models have risen in price, they are still below the flagship phones from Samsung and Apple. For more information, visit www.oneplus.net. See CyanogenMod.
OnePlus 2 and X
In 2015, a slightly thicker OnePlus 2 added a fingerprint scanner, USB Type C port and dual SIM capability. To compete in a wider market, the entry-level OnePlus X was introduced with a 5" screen and fewer features.
OnePlus 3, 3T and 5
In 2016, the OnePlus 3 was slightly thinner and lighter and offered fast charging (Dash Charge), NFC and 4K video. Also in 2016, the 3T model offered a faster CPU and larger battery than the 3, and the 3T's front camera doubled the pixels from 8 to 16MP. See NFC and 4K resolution.
There was no 4 model, but the OnePlus 5 debuted in 2017 with dual cameras, 8x zoom and up to 128GB of storage and 8GB of RAM. Night Mode adjusts the screen when viewing in darkness, and Reading Mode switches to monochrome while adjusting the white balance to the ambient light.