Brand: TOSHIBA
Category: Telephone
Document Type: Manual
Language: EN
Manual for SG4-E01
Uploaded: Nov. 21, 2025, 8:07 p.m.
Manual Publish Date: 2007-08-01
- Startup: Install SIM card and battery, then power on the phone.
- Basic Functions: Switch the phone on/off, use PIN/PUK codes, make and answer calls, reject calls, and utilize voice call functions.
- Main Menu: Access Phone book, SMS, Music, Log, Settings, and Alarm.
- Phone Book: Add, find, copy, and delete contacts.
- SMS: Create, read, and manage text messages (Inbox, Drafts, Outbox, Sent).
- Music: Play music, view file lists, and manage music files.
- Log: View missed, received, and dialed calls, check call duration, and monitor packet data.
- Settings: Configure date/time, phone modes, U-Disk mode, backlight, enhancement settings, calls, security, and network options.
- Alarm: Set alarm time, status, period, ring tone, and snooze function.
Troubleshooting and error codes
| Common problems | Potential causes | Solution |
|---|---|---|
| 1. Weak signals | Far away from base station or strong insulation | Get near the windows or corridors. |
| 2. The screen will display "no card" or "invalid card" | Possibly dirty contact pad of SIM card | Gently clean the contact pad of SIM card. |
| 3. Battery charged full holds short | Possibly configured power-on backlight, to consume high electricity | Re-configure backlight mode |
| 4. Silent headphone | Possibly configured minimum volume | Adjust the volume by up/down volume key |
| 5. Only vibration no ring upon incoming call | Possibly configure the mobile phone as Meeting mode | Re-configure "Normal mode” |