Brand: HUAWEI
Category: Other
Document Type: Manual
Language: EN
Manual for ETS2528
Uploaded: Nov. 21, 2025, 8:46 p.m.
Warranty Information
No explicit warranty period mentioned in the provided pages.
- Powering On/Off: Press and hold the power button.
- Making a Call: Through keypad, dialed calls list, or phone book. Speed dial is also available.
- Answering a Call: Lift handset, press a specific key, or activate any-key answer.
- Rejecting a Call: Press a specific key.
- Adjusting Volume: Use up/right and down/left keys during a call.
- Locking Keypad: Manually by holding # key or automatically after a set period of inactivity.
- Unlocking Keypad: Press specific key combination.
- Text Entry: Multiple input modes (Smart English, ABC, abc, Numbers) are supported.
- Phone Book: Add, search, edit, delete, copy, and manage contacts in groups.
- Settings: Configure call settings (minute alert, voice privacy, call waiting, call forwarding), profiles, display, phone settings, and security (FWT lock, PIN lock).
- Fun & Utility: Set alarm clocks and manage schedules.
- Menu Commands: Overview of available menu options for various functions.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
|---|---|---|
| The display does not turn on after the FWT is powered on (the FWT is not connected to the power adapter). | Make sure that the spare battery is installed. | |
| The battery level is low. | Connect the FWT to the power adapter. | |
| The display does not turn on after the FWT is powered on (the FWT is connected to the power adapter). | The voltage output of the power adapter does not meet the FWT requirement, or the power adapter is not approved. | Check if the AC input is normal and the power adapter is approved. |
| The external voltage of the power adapter is low or unstable. | Check if the external voltage is normal. Alternatively, install the spare battery. | |
| There is no signal icon on the display. | The antenna is not installed properly. | Make sure that the antenna is installed properly. |
| The FWT is not in the signal coverage area. | Contact your service provider. | |
| Time is not displayed. | The antenna is not installed properly. | Make sure that the antenna is installed properly. |
| Poor signal strength. | Adjust the antenna direction or move the FWT to a place with better signal strength. | |
| The FWT is not in the signal coverage area. | Contact your service provider. |