How to Downgrade OnePlus 2 from OxygenOS 3.5.5 to OxygenOS 3.1.0 – Android – Recently OnePlus 2 rolled out the OxygenOS 3.5.5 with VoLTE support
OnePlus 2 to OxygenOS 3.1.0 from OxygenOS 3.5.5
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How to Downgrade OnePlus 2 from OxygenOS 3.5.5 to OxygenOS 3.1.0 – Android – Recently OnePlus 2 rolled out the OxygenOS 3.5.5 with VoLTE support