1. Introduction
This manual provides essential instructions for the safe and efficient use of your Sonim XP3 4G LTE rugged flip phone, model XP3800. Please read this guide thoroughly before operating your device to ensure proper functionality and to understand its features.
2. Package Contents
Verify that your package contains the following items:
- Sonim XP3 Phone
- Battery
- Back Cover
- Charger
3. Phone Overview
Familiarize yourself with the physical components and controls of your Sonim XP3 phone.
- PTT Button (Push-to-Talk)
- Volume Up / Down
- Mic 1
- Voice mail (Press and Hold)
- Answer/Accept Call
- Clear Button
- Options Button
- Speaker
- Text Input Mode
- Navigation Keys
- App Key
- Select/Center Button
- End / Reject / Power On & Off (Press and Hold)
- Speakerphone
- Back Button
- Primary Display
- USB-C Type Port
- Back Cover Screw
- Back Cover
- Secondary Display
- Mic 2
- Flash Light
- Camera
- Connector
- SIM Card Slots Under Battery
- Memory Card Slot Under Battery
4. Setup
4.1. Installing the Battery, SIM Card, and Memory Card
- Remove Back Cover: Locate the screw on the back cover (18) and loosen it. Carefully remove the back cover (19).
- Insert SIM Card: Locate the SIM card slots (25). Insert your AT&T Nano-SIM card(s) into the designated slot(s) with the gold contacts facing down. Ensure it clicks into place. Note: This device is AT&T locked and will only function with an AT&T SIM card.
- Insert Memory Card (Optional): If using a microSD card, insert it into the memory card slot (26) with the gold contacts facing down.
- Insert Battery: Place the battery into the battery compartment, aligning the contacts.
- Replace Back Cover: Align the back cover and press it firmly until it is secure. Tighten the screw (18) to ensure water and dust resistance.
4.2. Charging the Battery
Before first use, fully charge the phone's battery. Connect the charger to the USB-C port (17) on the side of the phone and plug it into a power outlet. The charging indicator will illuminate. A full charge may take up to 30 hours for the first charge, subsequent charges will be faster.
4.3. Powering On/Off
- To Power On: Press and hold the End / Reject / Power On & Off button (13) until the Sonim logo appears on the primary display (16).
- To Power Off: Press and hold the End / Reject / Power On & Off button (13) until the power options appear. Select 'Power Off' and confirm.
5. Operating Instructions
5.1. Making and Receiving Calls
- Making a Call: From the home screen, dial the number using the keypad. Press the Answer/Accept Call button (5) to initiate the call.
- Answering a Call: When the phone rings, press the Answer/Accept Call button (5).
- Ending a Call: Press the End / Reject / Power On & Off button (13).
- Adjusting Volume: Use the Volume Up / Down buttons (2) on the side of the phone during a call.
5.2. Sending and Receiving Messages
- Navigate to the 'Messages' application from the main menu.
- Select 'New Message' to compose an SMS or MMS.
- Enter the recipient's number and type your message using the keypad.
- Press 'Send'.
5.3. Camera Functionality
- Access the Camera application from the main menu.
- Frame your subject using the primary display (16).
- Press the Select/Center Button (12) to capture a photo.
5.4. Connectivity (Bluetooth & Wi-Fi)
- Bluetooth: To pair with a Bluetooth device, go to 'Settings' > 'Bluetooth', turn it on, and select your device from the list.
- Wi-Fi: To connect to a Wi-Fi network, go to 'Settings' > 'Wi-Fi', turn it on, and select your desired network. Enter the password if required.
6. Maintenance
6.1. Cleaning Your Device
To clean your Sonim XP3, use a soft, damp cloth. Avoid using harsh chemicals, cleaning solvents, or strong detergents, as these can damage the phone's finish or internal components. Ensure all port covers are securely closed before cleaning to maintain water resistance.
6.2. Battery Care
- Avoid exposing the battery to extreme temperatures.
- Do not puncture, disassemble, or modify the battery.
- Use only Sonim-approved chargers.
- If the battery is damaged or swollen, discontinue use immediately and dispose of it properly.
6.3. Ruggedness Guidelines
While the Sonim XP3 is designed to be rugged, it is not indestructible. Avoid intentional abuse, extreme impacts, or prolonged submersion beyond its rated specifications. Ensure all port covers are sealed to maintain water and dust resistance.
7. Troubleshooting
If you encounter issues with your Sonim XP3, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| Phone does not power on | Ensure the battery is correctly installed and fully charged. Press and hold the power button for several seconds. |
| Cannot make or receive calls | Verify that the SIM card is properly inserted and active. Check network signal strength. Ensure the phone is not in Airplane Mode. Remember, this phone is AT&T locked. |
| Poor audio quality during calls | Check volume settings. Ensure microphone and speaker are not obstructed. Move to an area with better network coverage. |
| Battery drains quickly | Reduce screen brightness. Close unused applications. Limit background data usage. Consider replacing an aging battery. |
| Cannot connect to Wi-Fi/Bluetooth | Ensure Wi-Fi/Bluetooth is enabled in settings. Restart the phone and the router/Bluetooth device. Verify network password. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Sonim XP3 4G (XP3800) |
| Wireless Carrier | AT&T (Locked) |
| Operating System | Proprietary |
| Screen Size | 3 Inches |
| Resolution | 720 x 1280 |
| CPU Model | Quad Core 2.26GHz |
| RAM | 1 GB |
| Memory Storage Capacity | 8 GB |
| Battery Capacity | 1500 Milliamp Hours (Talk Time: 8 Hours) |
| Connectivity | Bluetooth, Cellular, Wi-Fi, GPS |
| Form Factor | Flip |
| Dimensions | 4.5 x 2 x 1 inches |
| Item Weight | 9.8 ounces |
9. Warranty and Support
As an Amazon Renewed product, this Sonim XP3 is covered by the Amazon Renewed Guarantee. This typically includes a 90-day refund or replacement policy if the product does not work as expected. For specific details regarding your renewed product's warranty and support, please refer to the Amazon Renewed program terms and conditions or contact Amazon customer service directly.
For technical assistance or further inquiries, please refer to the official Sonim support resources available on their website.
