logitechor, Jan 22, 2016 : In OP post it says: Now, because no two devices are the same, we inevitably had to deviate slightly from feature parity with the OnePlus 2. MaxxAudio’s proprietary sound technology and relevant applications were removed. The manual camera mode and RAW file format capability also did not make the final cut. If absolutely important to you I am using CM13 with a ported camera app that includes raw format (done well raw really helps the camera). Using Exposed framework one can add additional audio plugins. The poll should add custom ROMs with additional features. And yes - use the correct twrp (using materialized 2.8.6 myself).