Has instalado el driver adecuado? Y has reiniciado?
Trata de desactivar beats ,no conozcp esa rom pero seguro que se podra desactivar . Busca en la configuracion del movial alguna seccion de tweaks o algo que se parezaca.
Suerte jeje.
En un par de dias sale la siguiente version , creo que optimizado para tu phone , pasate por aqui y a ver si te vale.
http://forum.xda-developers.com/show...php?p=41484439
[AUDIO][APP] Official ViPER4Android Audio Effects - ★ Introducing Cure Tech+ ★
Dev Progress
FX version: v2.2.0.7 (Estimated date: 18-5-2013)
1. Driver CPU type devided into:
- "Old floating-point arithmetic device (PXA920)"
- "ARMv5TE with VFP or higher" (Most old processors such as S5830(Qualcomm7227),Tegra2 etc)
- "A8 with NEON"
- "A9 with NEON or higher" (A9 and A15 optimisation)
2. Fix PXA920 processor (such as ZTE U880) driver problem. Convolver is disabled because processor does not support floating-point operations.
3. Add Cure Tech. (In future may be removed and exist as individual V4A Cure version) More info updated soon.
4. Field Surround 3-level effect balancing.
XHiFi version: v2.1.0.0 (Estimated date: 18-5-2013)
1. Fix random high pitch sound in low bit-rate DJ Dance songs.
2. Optimise Audio Reconstruction