Source Changelog:
- Merged February security patch.
- Updated system to LA.QSSI.15.0.r1-14400-qssi.0
- Updated vendor to LA.VENDOR.14.3.0.r1-18900-lanai.QSSI15.0.
- Added Richtap haptic support.
- Various bugs fixes and improvements.

Device Changelog:
- Updated blobs and firmware from CPH2581_15.0.0.510(EX01).
- Added Dolby Atmos.
- Added One-Pulse EM mode for optimizing screen brightness control and reducing flicker for a better viewing experience.
- Refactored and improved Haptic Feedback.
- Enabled Richtap haptic support.
- Fixed random UI freezes and lags.
- Improved device performance.
- Enhanced UI rounded corners.
- Improved screen brightness.