Verizon HTC One (m8) Enable Power Saving Mode (requires s-off & root)

Get a root shell with ADB

adb.exe shell
[email protected]:~ $ su -

Navigate to the settings app and make a backup

[email protected]:~ # cd /data/data/com.android.providers.settings/databases
[email protected]:/data/data/com.android.providers.settings/databases # cp -p settings.db \
/sdcard/0/settings.db_backup

Open the settings database with sqlite3

[email protected]:/data/data/com.android.providers.settings/databases # sqlite3 settings.db
SQLite version 3.7.11 2012-03-20 11:35:50
Enter ".help" for instructions
Enter SQL statements terminated with a ";"

View the current values

sqlite> select * from secure where _id=71;
71|hide_ui_user_powersaver|1
sqlite> select * from secure where _id=73;
73|hide_ui_powersaver_connectivity|1

Update the values

sqlite> update secure set value='0' where _ID=71;
update secure set value='0' where _ID=71;
sqlite> update secure set value='0' where _ID=73;

Verify the changes

sqlite> select * from secure where _id=71;
71|hide_ui_user_powersaver|0
sqlite> select * from secure where _id=73;
73|hide_ui_powersaver_connectivity|0

Quit and exit the shell

sqlite> .quit
.quit
[email protected]:/data/data/com.android.providers.settings/databases # exit

Reboot, then check Settings -> Power