It honestly sounds like power saving mode is kicking in. Which does at 15% on stock if power saving mode is enabled ( not extreme power saving mode just the standard one)
If something weird is going on and it is not providing you with a notification that it is what's happening, next time it happens look at /sys/devices/system/cpu/cpu0/scaling_max_freq if it's at 2265600 then it's not in power saving mode, however if it's at 1190400 then power saver is on. Other signs of power saving mode would "normally" be
Display brightness reduced
Cpu reduced speeds
Vibration feedback turned off
*data connection put to sleep when screen off
Turned my power saving mode on and I also can not turn on high performance mode. So I bet that is EXACTLY what's going on.
if you have root you can launch the power saving settings ( even tho the option is not there under the power sub menu vzw left all the code in)
to do this from terminal emulator at # am start -a android.intent.action.MAIN -n com.htc.htcpowermanager/com.htc.htcpowermanager.powersaver.PowerSaverActiv ity
this will launch the settings for power saving mode, and from here you can see if it is set to on, if so just turn it back off.
sent from space
Thanks for the reply, I agree with you on that one, I'm pretty sure power saving mode is being turned on somehow. I'm not rooted and on stock, so I don't have a toggle for power saver mode. Any idea how it could have turned itself on? Aside from rooting, is there anything short of a factory reset that I can do to get rid of it?
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