Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Dpofirs ID 802 Call Blocker. This device is designed to help manage and block unwanted calls on your landline telephone, enhancing your call security and privacy. Please read this manual thoroughly before using the product.
Package Contents
Verify that all items are present in the package:
- 1 x Dpofirs ID 802 Call Blocker Unit
- 1 x Telephone Line Cable
- 1 x User Manual (this document)

Image: Dpofirs ID 802 Call Blocker unit and included telephone line cable.
Product Overview
The Dpofirs ID 802 Call Blocker is equipped with several features to manage incoming calls effectively:
- Large Capacity Blacklist: Stores up to 2,000 groups of numbers to block unwanted calls.
- LCD Screen: Clear display for easy operation and viewing of call information.
- Plug and Play Design: Simple installation with dual telephone line sockets.
- Advanced Filtering: Effectively blocks nuisance calls and protects against harassment.
- Adjustable Brightness: 5 levels of LCD screen brightness for optimal viewing.

Image: Front view of the Dpofirs ID 802 Call Blocker, highlighting the LCD screen, 'BLOCK' button, 'DEL' (Delete) button, 'BRT' (Brightness) button, 'BACK' button, and navigation keys.
Setup Instructions
Follow these steps to connect your Dpofirs ID 802 Call Blocker:
- Locate the telephone wall jack.
- Connect one end of the provided telephone line cable to the 'TEL LINE' port on the back of the call blocker.
- Connect the other end of this telephone line cable to your telephone wall jack.
- Connect your landline telephone's cable to the 'PHONE' port on the back of the call blocker.
- Ensure all connections are secure. The device is designed for plug-and-play operation and should power on automatically.

Image: Rear view of the call blocker showing the 'PHONE' and 'TEL LINE' ports, along with a diagram illustrating how to connect the device between the telephone wall jack and your landline phone.
Operating Instructions
Blocking a Call
When an unwanted call comes in, press the BLOCK button (red button) on the device. The caller's number will be added to the blacklist, and subsequent calls from this number will be blocked automatically.

Image: The call blocker displaying "BLOCKED" on its LCD screen, indicating a number has been successfully added to the blacklist.
Managing the Blacklist
- Viewing Blacklisted Numbers: Use the navigation keys (▲ / ▼) to scroll through the stored blacklisted numbers.
- Deleting a Number: While viewing a blacklisted number, press the DEL button to remove it from the blacklist.
- Adding a Number Manually: The manual does not specify a direct method for manual entry. Numbers are primarily added by pressing the BLOCK button during an incoming call.
Adjusting LCD Brightness
Press the BRT button to cycle through the 5 available brightness levels for the LCD screen. Select the level that best suits your viewing preference.
Navigating Call History
Use the BACK button and the navigation keys (▲ / ▼) to review recent incoming calls. This feature allows you to identify numbers before deciding to block them.
Maintenance
The Dpofirs ID 802 Call Blocker requires minimal maintenance. To ensure optimal performance:
- Keep the device clean by wiping it with a soft, dry cloth.
- Avoid exposing the device to excessive moisture, dust, or extreme temperatures.
- Do not use abrasive cleaners or solvents on the device.
Troubleshooting
If you encounter issues with your Dpofirs ID 802 Call Blocker, consider the following:
- Device not powering on: Ensure all telephone line connections are secure and correctly plugged into the 'TEL LINE' and 'PHONE' ports. The device draws power from the telephone line.
- Calls not being blocked: Verify that the number you wish to block has been correctly added to the blacklist. Ensure the device is properly connected and functioning.
- Display issues: Adjust the screen brightness using the 'BRT' button. If the display remains unreadable, check connections.
- No dial tone: Check all telephone line connections. Ensure your telephone is correctly plugged into the 'PHONE' port of the blocker.
If problems persist, consult the manufacturer's support resources or contact customer service.
Specifications
| Feature | Detail |
|---|---|
| Model Name | ID 802 |
| Brand | Dpofirs |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Color | Default (Black) |
| Blacklist Capacity | 2,000 groups |
| Display | LCD with 5 adjustable brightness levels |
| Dimensions (Package) | 9.8 x 8.9 x 5.5 cm |
| Weight (Package) | 117 grams |
| ASIN | B0BJX75R6J |

Image: Rear view of the call blocker, displaying regulatory information including Model ID-802, HS Code, country of manufacture, and CE RoHS compliance markings.
Warranty and Support
Information regarding specific warranty terms for the Dpofirs ID 802 Call Blocker is not provided in this manual. For warranty claims, technical support, or further assistance, please refer to the retailer where the product was purchased or contact Dpofirs customer service directly through their official channels.
Please note that information on spare parts availability is currently unavailable.