1. Introduction
This user manual provides comprehensive instructions for the operation and maintenance of your Senwa S301A Disco 2G mobile phone. Please read this manual carefully before using your device to ensure proper functionality and to maximize its features. Keep this manual for future reference.
2. Product Overview
The Senwa S301A Disco is a compact 2G mobile phone designed for essential communication. It features a physical alphanumeric keypad, a 1.8-inch LCD display, and basic multimedia capabilities.

Figure 2.1: Front and back view of the Senwa S301A Disco 2G mobile phone, showcasing its compact design and textured back cover.

Figure 2.2: Front view of the Senwa S301A Disco 2G mobile phone, highlighting the 1.8-inch LCD display and the alphanumeric keypad.

Figure 2.3: Back view of the Senwa S301A Disco 2G mobile phone, showing the rear camera lens, LED flash, and speaker grille.

Figure 2.4: Side view of the Senwa S301A Disco 2G mobile phone, illustrating its slim profile and the blue accent strip.
Package Contents:
- Senwa S301A Disco 2G Mobile Phone
- Battery (600 mAh)
- Power Adapter
- Earphones
- User Manual (this document)
3. Setup
3.1 Installing the SIM Card
The Senwa S301A Disco is compatible with TELCEL SIM cards. Follow these steps to install your SIM card:
- Power off the phone and remove the back cover.
- Remove the battery if it is already installed.
- Locate the SIM card slot(s).
- Insert the SIM card into the slot with the gold contacts facing down, ensuring it clicks into place.
- Replace the battery and the back cover.
3.2 Installing the Battery
To install the 600 mAh battery:
- Remove the back cover of the phone.
- Align the battery contacts with the contacts in the battery compartment.
- Gently press the battery down until it is securely seated.
- Replace the back cover.
3.3 Installing a MicroSD Card (Optional)
You can expand the phone's memory up to 32 GB using a MicroSD card:
- Power off the phone and remove the back cover.
- Locate the MicroSD card slot, usually near the SIM card slot.
- Insert the MicroSD card into the slot until it locks into place.
- Replace the battery and the back cover.
3.4 Charging the Battery
Before first use, fully charge the battery:
- Connect the power adapter to the Micro USB port on the phone.
- Plug the adapter into a power outlet.
- The charging indicator will appear on the screen. Disconnect the charger once the battery is full.
4. Basic Operation
4.1 Powering On/Off
- To Power On: Press and hold the Power/End Call key (usually the red button) until the screen lights up.
- To Power Off: Press and hold the Power/End Call key until the power off options appear, then select "Power off" or confirm.
4.2 Navigation
Use the directional keypad (D-pad) and the central selection key to navigate through menus and confirm selections. The left and right soft keys perform functions indicated on the screen above them.
4.3 Making and Receiving Calls
- To Make a Call: Enter the phone number using the keypad and press the Call key (usually the green button).
- To Receive a Call: When the phone rings, press the Call key to answer.
- To End a Call: Press the Power/End Call key.
4.4 Sending and Receiving Messages
- Navigate to the "Messages" menu.
- Select "Create new message" or "New SMS".
- Enter the recipient's number and type your message using the alphanumeric keypad.
- Press "Send".
5. Features
5.1 Camera
The phone is equipped with a 0.3 MP rear camera with an LED flash. To use the camera:
- Go to the "Camera" application from the main menu.
- Frame your shot using the display.
- Press the central selection key to capture a photo or start/stop video recording.
- Photos and videos are saved to the phone's memory or the installed MicroSD card.
5.2 Bluetooth
The Senwa S301A Disco supports Bluetooth 2.1 + EDR for wireless file sharing and connecting to compatible accessories like headsets.
- Navigate to "Settings" > "Connectivity" > "Bluetooth".
- Turn Bluetooth "On".
- Select "Search for devices" to find nearby Bluetooth devices.
- Select the desired device and follow the on-screen prompts to pair.
5.3 FM Radio
You can listen to your favorite FM radio stations. Ensure earphones are connected as they act as the antenna.
- Connect the earphones to the 3.5mm audio jack.
- Go to the "FM Radio" application.
- Use the navigation keys to scan for stations or manually tune to a frequency.
5.4 Music Player
The phone supports MP3, MIDI, and AMR audio formats. Transfer music files to your MicroSD card to play them on the device.
- Ensure music files are stored on the MicroSD card.
- Open the "Music Player" application.
- Browse and select the song you wish to play.
- Use the navigation keys for playback controls (play, pause, skip).
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the phone's surface. Avoid liquid cleaners.
- Storage: Store the phone in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Do not expose the battery to high temperatures or dispose of it in fire. Use only the original charger.
- Water Resistance: This phone is not water-resistant. Avoid exposure to liquids.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Phone does not power on. | Ensure the battery is correctly installed and charged. Try charging the phone for at least 30 minutes. |
| Cannot make or receive calls. | Check if the SIM card is properly inserted. Verify that you have network signal. Contact your service provider (Telcel) if the issue persists. |
| Poor audio quality during calls. | Check network signal strength. Ensure the speaker/earpiece is not blocked. |
| MicroSD card not detected. | Ensure the MicroSD card is correctly inserted. Try reinserting it. Check if the card is formatted correctly (FAT32). |
| Bluetooth pairing issues. | Ensure both devices have Bluetooth enabled and are within range. Try restarting both devices. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | S301A DISCO |
| Brand | Senwa |
| Display | 1.8 inches LCD |
| Processor | UNISOC 312 MHz 1 core |
| RAM | 32.5 KB |
| Expandable Memory | Up to 32 GB via MicroSD |
| Rear Camera | 0.3 MP with LED Flash |
| Connectivity | 2G, Bluetooth 2.1 + EDR |
| Battery Capacity | 600 mAh |
| Operating System | Proprietary |
| Connectors | 3.5mm Audio Jack, Micro USB |
| Wireless Carrier Compatibility | Telcel (Mexico) |
9. Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or contact the authorized Senwa distributor or retailer from whom you purchased the device. Keep your proof of purchase for warranty claims.
For general inquiries or further assistance, you may visit the official Senwa website or contact their customer service channels.





