OnePlus One Android 6.0 Cyanogen OS 13 update in final testing stage
Few moths back OnePlus promised to roll out Android 6.0 (Marshmallow) update for the OnePlus One and the OnePlus 2 smartphones in Q1 2016. It released the OxygenOS 3.0 Beta based on Android 6.0.1 for the OnePlus 2 last week. ... 
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