Sunstech CELT23 Easy-to-Use Flip Phone for Seniors - Instruction Manual

1. Introduction

Welcome to the instruction manual for your new Sunstech CELT23 flip phone. This phone is specifically designed for ease of use, featuring large keys, a clear display, and essential functions like an SOS button for emergencies. Please read this manual carefully to understand how to operate your device safely and efficiently.

2. Product Overview

The Sunstech CELT23 is a clamshell-style mobile phone, offering simplicity and security. Its design prioritizes user comfort and accessibility.

Key Features:

• Flip Design: Protects the screen and keypad when closed.
• Large Keys: Oversized buttons for easy dialing and texting.
• SOS Button: Located on the back for emergency calls and SMS.
• 2.4-inch Display: Clear screen for easy viewing.
• Quick Dial: Assign contacts to speed dial keys.
• Loud Sound: Enhanced audio for calls and ringtones.
• FM Radio: Built-in radio for entertainment.
• 1100 mAh Battery: Provides reliable battery life.

Phone Components:

Image Description: This image displays the Sunstech CELT23 flip phone in two states: open, showing the screen and large keypad, and closed, resting in its charging dock. The back of the closed phone, featuring the red SOS button, is also visible. This illustrates the phone's compact design and user-friendly interface.

Image Description: This image shows the Sunstech CELT23 flip phone in its charging dock, with the phone in a closed position. The prominent red SOS button on the back of the phone is clearly visible, highlighting a key safety feature. The phone's external display is also visible, showing the time and date.

Image Description: This image presents a collection of Sunstech CELT23 flip phones, showcasing different color options (blue and black) and configurations. Some phones are open, displaying their keypads and screens, while others are closed and placed in their charging docks. This provides a comprehensive view of the product's design and available variations.

3. Setup

3.1. Inserting the SIM Card and Battery

1. Open the Phone: Gently open the back cover of the phone.
2. Insert SIM Card: Locate the SIM card slot. Carefully insert your activated SIM card into the designated slot, ensuring the gold contacts face downwards and the cut corner aligns correctly.
3. Insert Battery: Place the provided Lithium-ion battery into the battery compartment, aligning the contacts.
4. Close Cover: Replace the back cover until it clicks securely into place.

3.2. Charging the Phone

1. Using the Charging Dock: Place the phone into the charging dock, ensuring it sits firmly and the charging indicator light (if present) illuminates.
2. Direct USB Charging: Alternatively, connect the USB Type C cable to the phone's charging port and the other end to a compatible power adapter.
3. First Charge: For optimal battery performance, fully charge the phone before its first use.

3.3. Powering On/Off

• To Power On: Press and hold the Power/End Call button (usually red) until the screen lights up.
• To Power Off: Press and hold the Power/End Call button until the power-off options appear, then select "Power Off".

4. Operating Instructions

4.1. Making and Receiving Calls

• To Make a Call:
  1. Open the phone.
  2. Dial the number using the large keypad.
  3. Press the Green Call button to initiate the call.
• To Receive a Call:
  1. When the phone rings, open the flip or press the Green Call button.
  2. To end a call, press the Red End Call button.

4.2. Sending SMS Messages

1. From the main menu, navigate to "Messages".
2. Select "Write Message" or "New SMS".
3. Enter the recipient's number or select from contacts.
4. Type your message using the keypad.
5. Press "Send".

4.3. SOS Emergency Function

The SOS button is designed for emergencies. When pressed, it will activate an audible warning signal and automatically dial up to 5 pre-set emergency contacts. It will also send a customizable emergency SMS message to these contacts.

1. Setting Up SOS Contacts:
   • Go to "Settings" > "SOS Settings".
   • Add up to 5 emergency contact numbers.
   • Customize the emergency SMS message if desired.
2. Using the SOS Button:
   • In an emergency, press and hold the red SOS button on the back of the phone for a few seconds.
   • The phone will emit an alarm and begin dialing your emergency contacts sequentially until one answers.
   • An emergency SMS will also be sent to all pre-set contacts.

4.4. Speed Dial

Assign frequently called numbers to specific keys for quick dialing.

1. Go to "Contacts" or "Settings" > "Speed Dial".
2. Select an available key (e.g., M1, M2, or number keys 2-9).
3. Assign a contact from your phonebook or enter a new number.
4. To use, simply press and hold the assigned speed dial key.

4.5. FM Radio

To listen to the FM radio, ensure headphones are connected (they act as an antenna).

1. Connect 3.5mm headphones to the phone's audio jack.
2. Navigate to "Multimedia" or "Tools" > "FM Radio".
3. Use the navigation keys to scan for stations or tune manually.

5. Maintenance

• Cleaning: Use a soft, dry cloth to clean the phone's screen and body. Avoid liquid cleaners.
• Battery Care:
  • Avoid extreme temperatures.
  • Do not leave the battery fully discharged for extended periods.
  • Use only the original charger and battery.
• Storage: Store the phone in a cool, dry place away from direct sunlight and moisture.

6. Troubleshooting

7. Specifications

• Brand: Sunstech
• Model: CELT23
• Product Type: Flip Phone
• Operating System: RTOS
• Screen Size: 2.4 Inches
• Resolution: 240 x 320
• Connections: USB Type C, 3.5 mm Jack
• Special Features: SOS Button, FM Radio
• Battery Composition: Lithium-ion
• Battery Capacity: 1100 mAh (inferred from product description)
• RAM Size: 48 MB
• Storage Capacity: 128 GB (Note: This capacity is typically for external memory card support in basic phones)
• CPU Speed: 800 MHz
• Manufacturer: SUNSTECH
• Country of Origin: China

8. Warranty and Support

This product is manufactured by SUNSTECH. For specific warranty details, please refer to the warranty card included with your purchase or contact Sunstech customer support.

• Spare Parts Availability: 10 Years (as per manufacturer information).
• Software Updates: Information not available.

For further assistance, please visit the official Sunstech website or contact their customer service department.