The only verified repositories for lddh350aa75 firmware are:
Software, Firmware & Driver Downloads - Support & Help | LG India. Firmware - SMART Board MX | MX Pro - SMART Support lddh350aa75 firmware best
It strikes the perfect balance between modern features (smart thermal rollback) and stability. Unless you absolutely need the sub-microsecond jitter of v5.1.0 for a high-end CNC retrofit, stick with v4.7.2. For those running ancient hardware revision A, accept no substitute for v3.9.8. The only verified repositories for lddh350aa75 firmware are: