5. Settings
5.1. SIM Management
5.2. Data usage
5.3. Profiles
5.4. Storage
5.5. Battery
5.6. Accounts & sync
5.7. Language & input
6. Connect to Networks and Devices
6.1. Connecting to a computer via USB
6.2. Connecting to Wi-Fi networks
6.3. Sharing your mobile data connection
6.4. Connecting to Bluetooth Devices
7. Tune Performance
7.1. Optimizing battery performance
7.2. Extending battery life
8. Troubleshooting
9. Safety & Notice
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