adb shell top -d 1 -n 10
In the rapidly evolving world of mobile chipset manufacturing, Unisoc (formerly Spreadtrum) has carved out a significant niche in the entry-level and value-driven smartphone segments. Among its most widely deployed yet under-discussed workhorses is the Unisoc UMS9117 . Often referred to as the Unisoc SC9863A , this chipset powers millions of affordable 4G smartphones globally.
echo noop > /sys/block/mmcblk0/queue/scheduler The PowerVR driver on UMS9117 sometimes renders frames at 60fps even when static. Force a lower refresh rate:
In Windows Device Manager, you’ll see “Unknown Device” or “SPD Device.” Right-click → Update driver → Browse my computer → Let me pick → Have Disk → Navigate to the .inf file (usually sprd_usb.inf ).