Doro 8380
Doro 4100H GSM Tisch Phone User Manual
Model: 8380
1. Introduction
Welcome to the user manual for your new Doro 4100H GSM Tisch Phone, Model 8380. This guide provides detailed instructions to help you set up, operate, maintain, and troubleshoot your device. Please read this manual carefully to ensure proper use and to maximize the performance of your phone.

Figure 1.1: Front view of the Doro 4100H GSM Tisch Phone, showcasing the handset, keypad, LCD screen, and external antenna.
2. Setup
Follow these steps to set up your Doro 4100H GSM Tisch Phone for the first time.
2.1 Unboxing and Components
Carefully unpack all items from the box. Ensure you have the following components:
- Doro 4100H GSM Tisch Phone unit
- Handset with coiled cord
- Power adapter
- AA batteries (included)
- External antenna
2.2 Inserting SIM Card and Batteries
- Locate the SIM card slot and battery compartment on the underside or side of the phone.
- Insert your active GSM SIM card into the designated slot. Ensure it is correctly oriented as indicated by the diagram near the slot.
- Insert the provided AA batteries into the battery compartment, observing the correct polarity (+/-).
- Close the SIM card slot cover and battery compartment cover securely.

Figure 2.1: Side view of the Doro 4100H, highlighting the USB-C power port and the connector for the external antenna.
2.3 Connecting the Antenna and Power
- Screw the external antenna firmly into the antenna connector port located on the side or back of the phone.
- Connect the coiled cord from the handset to the corresponding port on the phone base.
- Plug the power adapter into the power port on the phone (typically a USB-C port as shown in Figure 2.1).
- Plug the other end of the power adapter into a wall outlet. The phone should power on automatically or require a press of the power button.

Figure 2.2: Angled view of the Doro 4100H, showing the overall design and placement of the handset and antenna.
3. Operating Instructions
This section details the basic functions and features of your Doro 4100H GSM Tisch Phone.
3.1 Making a Call
- Lift the handset from the cradle.
- Wait for a dial tone.
- Dial the desired phone number using the keypad.
- Press the Call/Green button to initiate the call.
- To end the call, place the handset back on the cradle or press the End Call/Red button.
3.2 Receiving a Call
- When the phone rings, lift the handset from the cradle.
- Alternatively, press the Call/Green button to answer the call without lifting the handset (speakerphone mode).
- To end the call, place the handset back on the cradle or press the End Call/Red button.

Figure 3.1: Detailed view of the Doro 4100H keypad and LCD screen, showing the layout of buttons and display area.
3.3 Volume Adjustment
During a call, use the Volume Up (▲) and Volume Down (▼) buttons, typically located near the navigation keys, to adjust the earpiece or speakerphone volume.
3.4 Using Speed Dial (M1, M2, M3, FM)
The phone features dedicated speed dial buttons (M1, M2, M3, FM) for quick access to frequently called numbers. Refer to the phone's on-screen menu for instructions on programming these buttons.

Figure 3.2: Top-down view of the Doro 4100H, providing a clear perspective of the entire phone unit.
4. Maintenance
Proper care and maintenance will extend the life of your Doro 4100H GSM Tisch Phone.
4.1 Cleaning
- Wipe the phone's surface with a soft, damp cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Avoid getting moisture into any openings.
4.2 Battery Care
- If the phone is not in use for an extended period, remove the AA batteries to prevent leakage.
- Replace batteries when the low battery indicator appears on the LCD screen or if the phone experiences power issues.
4.3 General Care
- Keep the phone away from extreme temperatures, direct sunlight, and high humidity.
- Avoid dropping the phone or subjecting it to strong impacts.
5. Troubleshooting
If you encounter issues with your Doro 4100H GSM Tisch Phone, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Phone does not turn on | Power adapter not connected; Batteries drained or incorrectly inserted; Power outlet issue. | Ensure power adapter is securely connected and plugged into a working outlet. Check battery insertion and replace if drained. |
| No dial tone/Cannot make calls | SIM card not inserted or activated; No network signal; Handset not properly connected. | Verify SIM card is correctly inserted and active. Check network signal strength. Ensure handset cord is securely plugged in. |
| Poor audio quality | Low signal strength; Handset/speaker volume too low; Obstruction near microphone/speaker. | Move to an area with better network coverage. Adjust volume. Ensure nothing is blocking the microphone or speaker. |
| Phone not ringing | Ringer volume set to silent or too low; Do Not Disturb mode active. | Increase ringer volume through the phone's menu settings. Deactivate Do Not Disturb mode if enabled. |
If the problem persists after trying these solutions, please contact Doro customer support for further assistance.
6. Specifications
Below are the technical specifications for the Doro 4100H GSM Tisch Phone, Model 8380.
| Feature | Detail |
|---|---|
| Product Dimensions | 8.31 x 6.69 x 2.76 inches |
| Item Weight | 1.32 pounds (600 Grams) |
| Manufacturer | Doro |
| ASIN | B0BGSH1VGF |
| Item Model Number | 8380 |
| Batteries | AA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Date First Available | August 24, 2023 |
| Brand | Doro |
| Color | Black |
| Telephone Type | Corded |
| Number of Batteries | AA batteries required. (included) |
| Material | Plastic |
| Power Source | Battery Powered |
| Dialer Type | Single Keypad |
| Answering System Type | No answering machine |
7. Warranty and Support
For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your product or visit the official Doro website. You can typically find support contact details, FAQs, and additional resources there.
For general inquiries, you may also contact Doro customer service through their official channels.
- Official Website: www.doro.com (Please check for your regional website)
- Customer Service: Refer to the contact section on the official Doro website for phone numbers or email support.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.