1. Introduction
Thank you for choosing the SERVO i16 Pro Small Flip Mobile Phone. This manual provides essential information for the safe and efficient use of your device. The i16 Pro is a compact 4G flip phone designed for ease of use, featuring dual SIM card support, a 1.77-inch HD screen, and practical functions like call recording, speed dial, and FM radio.

The SERVO i16 Pro, a mini foldable phone with 4G network capabilities, dual SIM support, a 1.77" HD screen, and speed dial functionality.

Overview of the SERVO i16 Pro's features, including camera, FM radio, and dual SIM support.
2. Safety Information
Please read this section carefully before using your phone to ensure safe and proper operation.
- Traffic Safety: Always prioritize driving safety. Do not use your phone while driving if it distracts you. Observe all related regulations.
- Aircraft Safety: Switch off your phone before boarding an aircraft. The use of wireless devices in aircraft is prohibited as it may interfere with the aircraft's operation.
- Environment: Avoid using the phone in potentially explosive atmospheres, such as gas stations or chemical factories.
- Medical Devices: Operation of transmitting equipment may interfere with inadequately protected medical devices. Consult a physician or medical device manufacturer if you have concerns.
- Children: Keep the phone and its accessories out of the reach of small children.
3. Setup Guide
3.1 Package Contents
Ensure all items are present in your package:
- 1x SERVO i16 Pro Mobile Phone (including battery)
- 1x USB Cable (Type-C)
- 1x Box
- 1x Sling
- 1x Card Pin
- 1x Mobile Manual (User's Manual of Mobile Phone)

Included items in the product package.
3.2 SIM Card and Memory Card Installation
The SERVO i16 Pro supports two Nano SIM cards and one TF (memory) card for expanded storage.
- Locate the SIM card tray on your phone.
- Use the provided card pin to eject the tray.
- Carefully place your Nano SIM cards into the designated slots (SIM 1 and SIM 2).
- If desired, insert a TF memory card into its dedicated slot.
- Gently push the tray back into the phone until it clicks into place.

The phone supports simultaneous use of two Nano SIM cards and one TF card.
3.3 Initial Charging and Power On
Before first use, it is recommended to fully charge the phone.
- Connect the provided USB Type-C cable to the phone's charging port and the other end to a 5V1A charger.
- Charge the phone for 3-5 hours for optimal initial battery conditioning.
- To power on, press and hold the power button until the screen lights up.
- If prompted, enter your PIN code. The default phone password is 1234.

The phone features a 1000mAh high-capacity battery and charges via a Type-C interface.
3.4 Language Settings
The phone supports multiple languages. You can select your preferred language from the settings menu.
Supported languages include: English, Chinese, Traditional Chinese, Arabic, French, Hungarian, Indonesian, Malay, Portuguese, Russian, Spanish, Thai, Vietnamese, Italian, Persian, Turkish, German, Greek, Hebrew, Czech, Romanian, Bulgarian, Dutch, Polish, Serbian, Burmese.
4. Operating Instructions
4.1 Function Menu Overview
The phone's main menu provides access to various functions:
- Call Center
- Messaging
- Phonebook
- Multimedia (Camera, Images, Video Recorder, Music, FM Radio)
- Organizer (Torch Light, Games, Calendar, Calculator, Alarm)
- Settings
- STK (SIM Toolkit - network operator service)
- Services (if provided by network)
4.2 Call Center
- Call History: View recent call logs.
- Speed Dial: Set speed dial contacts (number keys 2-9). Press and hold the number key to quickly dial.
- Call Recording: The phone supports call recording.
- Blacklist: Add unwanted phone numbers to the blacklist to avoid interference from calls and text messages.

Set speed dial contacts (number keys 2-9) to quickly dial phone numbers.

Adding numbers to the blacklist can effectively avoid unwanted calls and texts.
4.3 Messaging
- Write Message: Compose new text messages.
- Sent Messages: View messages you have sent.
- Delete Messages: Manage and delete messages.
- Delivery Report: Enable or disable delivery reports for your messages.
4.4 Phonebook
Store up to 2000 contacts. You can save contacts to the phone's memory or to a SIM card.
4.5 Multimedia
- Camera: Use the rear 0.08MP camera to take photos.

Rear mounted high-definition camera for convenient recording of videos or photos.
- Images: View pictures stored on your phone or memory card.
- Video Recorder: Record video clips.
- Music: Play MP3 audio files.

The phone can play videos and music stored on your device without network access.
- FM Radio: Listen to radio programs.

Enjoy FM radio programs anytime, anywhere.
4.6 Organizer
- Torch Light: Use OK or long press WEB in idle mode to turn the torch light on or off.
- Games: Includes games like Sokoban. Use 2/4/6/8 keys for movement.
- Calendar: View and manage dates.
- Calculator: Perform basic calculations.
- Alarm: Set alarms for specific times.
4.7 File Manager
Access and manage files on your phone and TF card. Supports operations like setting default storage, deleting, and previewing pictures.
4.8 Settings
- Profiles: Customize sound and vibration settings.
- Display: Adjust backlight and picture quality.
- Bluetooth: Search for and pair with other Bluetooth devices.
- Security Settings: Manage phone lock, PIN codes, and other security features. Default phone password is 1234.
- Network: Configure network selection (automatic/manual), GPRS transfer preference (data prefer/call prefer), and dual SIM settings.
- Connectivity: Manage connections.
- Restore Factory Settings: Reset the phone to its original state. Default password is 1234.
- Notification Lights: The phone features indicator lights: red flashing during charging, green flashing for unread messages or incoming calls.

The SERVO i16 Pro is a mini foldable phone, compact and easy to carry.

Vibration reminders can be activated during meetings to receive notifications discreetly.

Paired with exclusive wired headphone jack, charging and listening to music are both compatible.
5. Maintenance
5.1 Battery Care
- The phone is powered by a rechargeable battery. Ensure it is charged by qualified personnel.
- Unplug the charger when the battery is fully charged. Overcharging may shorten battery life.
- Avoid leaving the battery in hot or cold places, as this can reduce its capacity and lifespan.
- If the battery is completely drained, it may take some time for the charging indicator to appear.
5.2 General Care
- Keep the phone dry. Moisture can damage electronic circuits.
- Avoid extreme temperatures. High temperatures can shorten the life of electronic devices and warp or melt certain plastics.
- Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the phone.
- Handle the phone gently. Do not drop, knock, or shake it.
6. Troubleshooting
- Phone not turning on after charging: If the phone has not been used for a long time, the battery may be deeply discharged. Charge the phone for 3-5 hours using the provided USB Type-C cable and a 5V1A charger.
- Network Compatibility: Please note that due to network frequency band issues, this mobile phone may not function normally in certain countries, including Colombia, India, Türkiye, Chile, Azerbaijan, Tanzania, and Australia. Verify network compatibility before use.
- Forgotten Password: The default phone password and factory reset password is "1234".
7. Specifications
| Feature | Specification |
|---|---|
| Model | i16 Pro (4G) |
| CPU Model | UMS9117S |
| Screen Size | 1.77 inch (128x160 resolution) |
| Phone Dimensions (Folded) | 63mm x 63mm x 18.8mm |
| Phone Weight | 80g (Including battery) |
| Phonebook Capacity | 2000 entries |
| SMS Capacity | 200 messages |
| Headphone Jack | Yes (3.5mm) |
| Rear Camera | 0.08MP |
| Battery Capacity | 1000mAh (Detachable) |
| SIM Card Quantity | 2 Nano SIM cards + 1 TF card slot |
| Memory | 64MB RAM, 128MB ROM (Max 128GB expansion via TF card) |
| Charging Interface | Type-C |
| WiFi Connection | Not supported |
| Phone Material | Plastic shell |
| Operating System | Non-smartphone OS (cannot download applications) |
| Bluetooth Version | YES |
| Screen Material | TFT |
| Design | Flip |
| Origin | Mainland China |
| Certification | CE |

Phone dimensions and weight (80g).
7.1 Network Bands
- 2G: B8/B5/B3/B2
- 3G: B8/B5/B1
- 4G FDD: B1/B3/B5/B7/B8/B20
- 4G TDD: B38/B40/B41
8. Warranty and Support
For detailed information and further assistance, please refer to the official user manual PDF.
Official User Manual (PDF): View User Manual PDF
For tracking your package, visit the Cainiao official website and enter your tracking number:
Package Tracking: Cainiao Global Express Tracking

Instructions for tracking your package on the Cainiao website.
9. User Tips
- Initial Charge: Always charge your new phone for 3-5 hours before first use to ensure optimal battery performance. Use a 5V1A charger.
- SIM Card: This product does not include a SIM card. Please purchase one locally from your network provider.
- Memory Expansion: It is recommended to install a memory card (TF card) before using the phone to fully utilize its storage expansion capabilities, as the system occupies part of the internal memory.
- Efficient Communication: Utilize the Speed Dial feature for frequently called contacts to improve call efficiency.
- Unwanted Calls: Make use of the Blacklist function to filter out spam or unwanted calls and text messages.
- Discreet Notifications: Enable the vibration function for reminders during meetings or in quiet environments to avoid disturbing others.