SERVO F21 Slide Android Smartphone

1. Introduction

Welcome to the user manual for your new SERVO F21 Slide Android Smartphone. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your device. Please read it carefully to ensure optimal performance and longevity of your smartphone.

SERVO F21 Slide Android Smartphone highlighting its 3.0-inch HD screen, dual camera, 2000mAh battery, Android 8.1, and 2GB RAM + 16GB ROM.

2. Safety Information

To prevent injury or damage to your device, please observe the following precautions:

• Do not expose the phone to extreme temperatures, direct sunlight, or high humidity.
• Avoid dropping or subjecting the phone to severe impact.
• Use only approved chargers and accessories.
• Do not attempt to disassemble or modify the phone.
• Keep the phone away from medical devices, as it may interfere with their operation.
• Dispose of the phone and its battery responsibly according to local regulations.

3. Package Contents

Verify that all items are present in your product package:

• 1x SERVO F21 Slide Phone
• 1x Type-C Charging Cable
• 1x User Manual
• 1x Card Removal Pin
• 1x Retail Box

Contents included in the SERVO F21 Slide retail package.

4. Product Overview

4.1 Physical Features and Buttons

Detailed view of the SERVO F21 Slide buttons and their functions.

• Volume Button + / -: Adjust media and call volume.
• Flashlight Shortcut Button: Quickly activate the flashlight.
• Power Button: Press and hold to power on/off or restart. Short press to lock/unlock screen.
• Answer Button: Answer incoming calls.

4.2 Dimensions and Weight

Physical dimensions and weight of the SERVO F21 Slide.

• Phone Size: 136mm x 52mm x 19mm (5.35in x 2.05in x 0.74in)
• Phone Weight: 135g

5. Getting Started (Setup)

5.1 SIM Card and Memory Card Installation

The SERVO F21 Slide supports two Nano SIM cards and one TF (Micro SD) memory card for expanded storage. SIM cards are not included and must be purchased locally.

1. Locate the SIM/memory card tray on the side of the phone.
2. Use the provided card removal pin to eject the tray.
3. Carefully place your Nano SIM cards into the designated SIM 1 and SIM 2 slots.
4. Insert the TF memory card into its dedicated slot (if applicable).
5. Gently push the tray back into the phone until it clicks into place.

Illustration of the dual SIM and Micro SD card slots.

5.2 Initial Charging

Before first use, it is recommended to charge the phone for 3-5 hours. Use the provided Type-C charging cable and a charger that supports 5V1A output for optimal charging. Connect the Type-C cable to the phone's charging port and the other end to a compatible power adapter.

The SERVO F21 Slide features a 2000mAh battery and charges via Type-C.

5.3 Powering On/Off

• To Power On: Press and hold the Power button until the screen lights up.
• To Power Off: Press and hold the Power button, then select 'Power off' from the options on the screen.

6. Basic Operation

6.1 Using the Sliding Mechanism

The SERVO F21 Slide features a classic sliding design. Slide the top part of the phone upwards to reveal the physical keypad. Slide it back down to conceal the keypad.

The SERVO F21 Slide in its closed and open (slid) positions.

6.2 Making Calls and Sending Messages

You can use the 3.0-inch touch screen or the physical keypad for dialing and typing. The physical keypad offers a tactile experience for precise input.

Dialing and typing easily with the physical keypad.

6.3 Touch Screen Navigation

The 3.0-inch HD screen provides a clear and comfortable visual experience. Navigate the Android interface by tapping, swiping, and pinching on the screen.

The 3.0-inch high-definition screen offers clear visuals.

7. Features and Applications

7.1 Android 8.1 OS and Google Play Store

The SERVO F21 Slide runs on a pure Android 8.1 operating system, offering stable and smooth performance. Access the Google Play Store to download a wide variety of applications, including social media, messaging, and entertainment apps.

Download massive software from Google Play Store.

7.2 Camera Usage

The phone is equipped with a 2MP rear camera and a 2MP front camera, suitable for daily photography and video calls. Capture exciting moments and share them with family and friends.

Rear camera with 2MP pixels.

Front camera with 2MP pixels.

7.3 Connectivity

The F21 Slide supports 4G LTE high-speed network, dual SIM dual standby, WiFi, and Bluetooth. It also includes GPS navigation for location services.

• 4G LTE: Enjoy high-speed internet access.
• Dual SIM Dual Standby: Manage two phone numbers simultaneously.
• WiFi Hotspot: Share your phone's internet connection with other devices.
• Bluetooth: Connect to wireless headphones, speakers, and other Bluetooth-enabled accessories.

Connectivity features including WiFi hotspot sharing.

7.4 FM Radio

Listen to local radio stations without needing an internet connection. The built-in FM Radio function allows you to enjoy music and news on the go.

Listen to FM radio even without internet connection.

7.5 Flashlight

The phone features a dedicated flashlight shortcut button on the side, allowing for quick activation of the LED strong light for emergency lighting.

Emergency lighting with a one-button flashlight.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the phone's screen and body. Avoid using harsh chemicals or abrasive materials.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the phone regularly, especially if it has not been used for an extended period.
• Software Updates: Keep your phone's software updated to ensure optimal performance and security.

9. Troubleshooting

9.1 Phone Not Turning On After Charging

Issue: The phone does not turn on even after being connected to a charger.

Solution: If the mobile phone has not been used for a long time, its battery power may have been completely depleted. In this case, you need to charge the mobile phone for 3-5 hours initially. Ensure you are using the charging cable configured with this product and a charger that supports 5V1A output.

9.2 Network Incompatibility

Important Note:

Due to network frequency band differences, the SERVO F21 Slide cannot be used normally in the following countries: Colombia, India, Türkiye, Chile, Azerbaijan, Tanzania, Australia. Please verify network compatibility in your region before purchase.

10. Specifications

11. User Tips

• App Management: Utilize the Google Play Store to download essential apps like WhatsApp for communication.
• Physical Keyboard Advantage: For users who prefer tactile feedback, the physical keypad can enhance typing speed and reduce accidental touches compared to a purely virtual keyboard.
• Compact Design: The sliding mechanism makes the phone compact when not in use, ideal for portability.
• Backup Phone: Its robust features and compact size make it an excellent backup phone or a primary device for those who prefer a simpler smartphone experience.
• Offline Entertainment: Take advantage of the built-in FM Radio for entertainment without relying on an internet connection.

12. Warranty and Support

For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.