Bumping the thread as I need more feedback whether new Smartreflex Efuse calibration re-calculation is stable or not. Please those of you who have had problems with sr_vdd1 enabled in KP49 to test the new build. If you have problems when DSP is overclocked, just lower your DSP frequencies, or move 520 and 600 DSP clocks to higher MPU frequencies. Not all DSPs can handle 600 MHz at SR calculated voltage for 805 Mhz MPU frequency. EDIT: Could you also test default profile, which has limits 250-600 (no overclocking), but sr_vdd1 enabled.