In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile Snapdragon Mobile and Snapdragon Wear MDM9206 MDM9650 SD 210/SD 212/SD 205 SD 425 SD 430 SD 450 SD 625 SD 650/52 SD 820 SD 820A and SD 835 HLOS can enable PMIC debug through TCSR_QPDI_DISABLE_CFG due to improper access control.