MorePowerOptions is a new tweak adds Shutdown, Respring, Reboot, and SafeMode buttons to appear on the shutdown screen. It is quite suitable for jailbreak users, but unfortunately the tweak currently does not support iPhone X.

After pressing the power button in the normal shutdown mode, the native shutdown screen will be replaced with the following example screen. The menu functions are Shutdown, Respring, Reboot, and SafeMod.

You could preview the interface as below: 

If you're interested in this tweak, you could :

1. Add repo https://seiterseiter.github.io

2. Search and intall tweak MorePowerOptions in Cydia

3. Click to install