Power Management Problems on Certain Smartphones

Extremetech reports here on power management problems on certain Google smartphones.  The phones are reported to shut down even though the battery reports substantial remaining charge.

iOS 10.1.1 Charging Problems

Extremetech reports here on user reports of problems charging iPhone batteries using iOS 10.1.1.  Not clear yet where the problem lies but symptoms include low battery life and high temperatures.  These episodes are reminders of the complexity of modern battery charging: battery chemistry, charging circuits and logic, charging control software.

Article on Embedded Multi-Core Performance/Power

Here is a great article from Anandtech with some experimental results on cell phone multicore architectures.  Their experiments show how many threads are at work in some typical cell phone scenarios and provide utilization and power results.