Brand: ALCATEL
Category: Mobile Phone
Document Type:
Language: EN
Manual for one touch 720/one touch 720D
Uploaded: Aug. 10, 2025, 12:02 a.m.
Warranty Information
Your phone is warranted against defects for twelve months from the date of purchase.
- Getting Started: Includes setup, inserting SIM card, installing/removing battery, and charging.
- Basic Operations: Covers powering on/off, using the touchscreen (touch, drag, scroll), and navigating the home screen.
- Making Calls: Instructions for placing, receiving, and rejecting calls, as well as calling voicemail.
- Messaging: Details on sending and receiving SMS/MMS, composing messages, and managing threads.
- Connectivity: Information on Wi-Fi usage and Bluetooth.
Troubleshooting and error codes
| Problem | Solutions |
|---|---|
| My phone cannot switch on | Check battery contacts, reinstall battery, charge for at least 20 minutes. Use User Data Format or ONE TOUCH Upgrade. |
| My phone is frozen or has not responded | Restart phone, remove and reinsert battery. Use User Data Format or ONE TOUCH Upgrade. |
| My phone turns off by itself | Check power off key, battery charge level. Use User Data Format or ONE TOUCH Upgrade. |
| My phone cannot charge properly | Use genuine Alcatel battery and charger, clean contacts, ensure proper insertion, charge under normal conditions (0°C to +40°C). |
| Cannot connect to network or "No service" | Try another location, verify network coverage, check SIM card validity, select network manually, try later. |
| Cannot connect to the Internet | Check IMEI, SIM card internet service, phone's internet settings, network coverage. Try later or another location. |
| Invalid SIM card | Ensure correct insertion, check for damage, verify SIM service availability. |
| Touch screen does not respond | Ensure phone is not locked. Launch touch screen calibration. |