Push :
adb shell
su
stop
mount -o rw,remount /system
cp /sdcard/SystemUI.apk /system/priv-app/SystemUI.apk
(/sdcard/SystemUI.apk change with location where apk place)
chmod 0644 /system/priv-app/SystemUI.apk
mount -o ro,remount /system
reboot
Remove:
adb shell
su
mount -o rw,remount /system
cd system/priv-app
ls
rm SystemUI.odex
reboot