For new users, please read about PerfectDynamics Sound Optimizations first for new improvements with Fidelizer ROMs. After successful launch of Fidelizer ROM updates with PerfectDynamics Sound Optimizations on iBasso DX200 and Fiio X5iii/X7ii devices. Now it’s time for former flagship Fiio X7 device to receive this amazing update with ROM version 3.3.2. 🙂 -Based on firmware version…
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