Brand: HUAWEI
Category: Other
Document Type: Manual
Language: EN
Manual for ETS8521
Uploaded: Nov. 21, 2025, 8:16 p.m.
Warranty Information
No warranty information is provided in this document.
- Powering On/Off: Press and hold the End/Power Key to power on or off the cordless phone.
- Making/Answering Calls: Press the Send Key to make or answer a call. Press the End/Power Key to end a call or reject an incoming call.
- Navigation: Use the Navigation Key (up, down, left, right) to scroll through menus and options. The Left Soft Key and Right Soft Key select displayed options.
- Text Input: Use the Number Keys to enter numbers and characters. Input modes (eZiEn, ABC, abc, 123) can be changed using the # key.
- Keypad Lock: Press and hold the * key to lock the keypad. Press and hold * and # keys to unlock.
- Menu Navigation: Press the Menu key to display the Menu interface. Use the Navigation Key to scroll and select options.
- Charger Interface: Connect the phone to the charger stand and then to an AC power socket for charging.
Troubleshooting and error codes
| Icon | Description |
|---|---|
| Yull | Network signal strength |
| 📞 | Calling |
| ✉ | Message received |
| ✉ (blinking) | Memory for messages is full |
| 🕻/🕻 (no sound) | Remind by sound / Without sound remind |
| 🔋 | Battery power level |
| ⏰ | Alarm clock is on |
| 🔏 | Keypad is locked |
| 🕻 | Remind by vibration |