You can change the portable hotspot name and password to secure your privacy or data usage.
1. Go to
Settings > 
Connection & sharing > Portable hotspot.
2. Tap Set up portable hotspot to change the portable hotspot name or password.
3. Tap √ .
1. Go to
Settings > Connection & sharing > Portable hotspot.2. Tap Set up portable hotspot to change the portable hotspot name or password.
3. Tap √ .