change input
adb shell am start -a android.settings.INPUT_METHOD_SETTINGS
adb shell am start -a android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS
adb shell am start -n com.android.settings/com.android.settings.Settings
language and locale
adb shell am start -a android.settings.DISPLAY_SETTINGS
adb shell am start -a android.settings.LOCALE_SETTINGS
chinese
adb shell setprop persist.sys.language zh
adb shell setprop persist.sys.country CN
english
adb shell setprop persist.sys.language en
adb shell setprop persist.sys.country US
font size
adb shell settings put system font_scale 1.2
adb shell wm density
adb shell wm density 320
adb shell wm density reset
bak system app
adb pull /system/app/ ./
remove app
adb shell pm uninstall -k --user 0 com.sohu.inputmethod.sogou.oem
adb shell pm uninstall -k --user 0 com.jd.app.reader
adb shell pm uninstall -k --user 0 com.zhangyue.read.iReader
adb shell pm uninstall -k --user 0 com.duokan.einkreader
adb shell pm uninstall -k --user 0 com.tencent.weread.eink
reboot
adb reboot
