A disclosed example method to suspend and resume a device includes: after detecting a low-power suspend mode request, determining a storage performance of the device to store suspend state data; based on the storage performance of the device, setting a suspend flag to indicate a low-power suspend mode to a processor platform; when resuming from the low-power suspend mode, confirming a setting of a resume flag from the processor platform, the resume flag to notify an operating system to resume from the low-power suspend mode; and when the resume flag is set, restoring state data corresponding to an operating system context from a non-volatile dual-purpose system and storage memory.