Pro Tweak |best| - W2

W2 Pro Tweak — Quick Guide

Note: I assume you mean the wireless audio DAC/amp "W2 Pro" (i.e., FiiO/HiFi device or similar portable DAC/amp); if you meant a different product, say which and I’ll adapt.

System Lag: This often happens if the buffer settings are too low for the hardware to handle. Conclusion

Configuration and parameter tuning:

Turn off "Automatic System Updates" in Developer Options.
Re-apply the Background Process Limit after every reboot.
Run the battery calibration tweak once every three months.