From the Connections tab in Settings, tap Mobile Hotspot and Tethering.
Tap Mobile Hotspot.
Tap hotspot details section.
The Configure screen lets you choose the type of security you want. You can also find your device password here.
Tap Advanced.
Tap the Security dropdown.
Select your preferred security type.
Tap the Password field and enter your new password.
Tap Save.
Tap or slide the Mobile Hotspot switch to On.
If necessary, tap OK to turn off Wi-Fi.
You've completed the steps!
