myFirst Fone S3+
myFirst Fone S3+

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Introducing the myFirst Fone S3+ with e-SIM, the ultimate 4G Slim WatchPhone with Integrated myFirst Circle
Designed for kids aged 5-13. With its stylish and kid-friendly design featuring a 1.4-inch square screen, this smartwatch is the coolest choice for young users.
Stylish Design
A sleek and kid-friendly design ensures that the myFirst Fone S3+ stands out with its 1.4-inch square screen.
Stay Healthy
Monitor your child's well-being with built-in features such as heart rate monitoring and step tracking, encouraging them to achieve their daily fitness goals.
Stay Connected
Powered by FoneOS, kids can easily connect with family and friends through messages and calls, fostering a secure and convenient way to stay in touch.
Entertainment Hub
Enjoy music playback and capture memories with the integrated 2MP camera, providing an entertaining and creative experience for kids.
Safety First
The myFirst Fone S3+ prioritizes safety with GPS tracking, ensuring that parents always know the whereabouts of their child, offering peace of mind.
e-SIM Features
Now with e-SIM capabilities, the myFirst Fone S3+ allows seamless connectivity without the need for a physical SIM card, enhancing convenience for both parents and kids.
All-in-One
This smartwatch is the ultimate all-in-one device for kids, seamlessly combining communication, entertainment, and fitness tracking in a single, compact package.
⭐This model is only compatible with myFirst eSIM
**Important Note for OPPO Users: The myFirst Circle App is currently experiencing stability and compatibility issues with the latest OPPO devices.
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Little Wrist, Big World
The myFirst Fone S3+ is a versatile smartwatch for kids, featuring a 1.4-inch square screen and built-in eSIM technology, removing the need for a physical SIM card.
Key Safety Features
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GPS TRACKING
Accurately and conveniently track your kids' whereabouts at a set interval.
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CUSTOMIZABLE SAFE ZONES
Create custom geo-fences around your home, school or other important locations
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ONE-TOUCH SOS ALERT
Alert parents & seek assistance in emergency situations with the press of a button
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NO UNSAFE APPS
No third-party apps such as games & social media can be installed to the watch
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PARENT-APPROVED CONTACTS
Keep your child safe from online predators and other unauthorized people
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DISTRACTION-FREE LEARNING
Silences the watch and disables all features except for the SOS function during school or class period set by parents

Stay Connected with Unlimited Data eSIM
- Get 1-month free subscription upon activation
- No contract, cancel anytime
- Easily manage subscription from myFirst Circle app
#Only compatible with myFirst eSIM
Designed for Kids, Created for Parents

HAND-IN-HAND SAFETY & HEALTH
Heart Rate Monitoring & Alert
Monitor your child's heart rate and fitness statistics, including steps taken, calories burned, and distance covered.
Through the myFirst Circle app, parents can establish high heart rate alerts. Should a child's heart rate surpass the designated threshold, the watch will promptly notify them to take it easy.

CUSTOMIZABLE WALLPAPER
Personalized Watch Faces with Fun Animated Wallpapers
myFirst Fone S3+ comes equipped with a collection of lively animated wallpapers, and you can also customize your watch face with your own selfies or photos sent from friends in the chat room.

SEND PRE-SET MESSAGES
Chat With Parent and Friends Using Emoji and Multiple Preset Texts
You can scroll to the right and choose from a list of handy and common phrases that the kids like, kids can now have a speedy reply without using the voice message.

STAY ACTIVE, STAY HEALTHY
Fitness Goal Achievement with Badges
The activity tracker shows your achievement and encourages the young one to achieve their daily target. Rewards with unique badges. Be active and have fun~

Durable & Powerful
Change your straps to fit your kid's style! The interchangeable strap comes in 13 different colors, silicon and knitted! Mix and match to fit your style and preference.
More Features You'll Love!
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REAL-TIME COMMUNICATION
Using cellular networks, the Fone S3+ and smartphone can converse in real time through either voice or video calls. This means that you can always see and hear the people who matter most to you, no matter where you are in the world.
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1.4" TFT Screen
Fone S3+ features a vibrant and clear 1.4 inch IPS screen. This display technology provides a sharp and colorful viewing experience, making it easier for kids to read, navigate, and interact with their smartwatch.
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MP3 PLAYER
Comes with an MP3 player and built-in loudspeaker that provides up to 10 hours playback time which is great for music or listening to audiobooks. Feel the joy of having 1500 songs on your wrist!

myFirst Circle: A Connected Ecosystem for Families
The call, messaging and social sharing app for Families, Children and Friends.
Technical Details
Product Specifications
Display: 1.4 inch IPS
Camera: 2MP front camera
Battery: 650 mAh
Working time: 6 hours
Standby time: 40 hours
Storage: 8GB
Weight: 53g
SIM type: eSIM
Positioning: LBS, GPS, A-GPS, WIFI
App supports: iOS 11.0 & Android 9.0 above
What's In the Box
- myFirst Fone S3+
- User Manual
- USB Charging Cable
- SD card slot opener
- Decorative stickers x 2
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What is the difference between myFirst Fone S3 and myFirst Fone S3+?
The primary difference between the myFirst Fone S3 and myFirst Fone S3+ is the type of SIM card they use.
- myFirst Fone S3: Uses a traditional nano SIM card.
- myFirst Fone S3+: Features a built-in eSIM (embedded SIM).
Both models share the same features and functionalities, but the S3+ offers the convenience of a digital eSIM, eliminating the need for a physical SIM card.
Can I use myFirst Fone S3+ while swimming or showering?
The myFirst Fone S3+ is NOT recommended for use while swimming or showering.
Although the device is water resistant, it is NOT waterproof. This means it can ONLY handle occasional splashes or brief submersion in water, but it is NOT designed for extended exposure to water, particularly when there is significant water movement.
How long can the battery last on myFirst Fone S3+?
Battery life for the myFirst Fone S3+ depends on usage and location update frequency. Under normal use, the battery lasts up to 16 hours, so daily charging is required.
How do I set up and activate my myFirst Fone S3+?
You can find a complete, step-by-step guide to setting up and activating your myFirst Fone S3+ on our website. Please follow the instructions here to get started.
Can I install apps like WhatsApp or YouTube?
For your child's safety, myFirst Fone S3+ does not support third-party apps such as WhatsApp or YouTube.
Instead, we've created the myFirst Circle app, which allows your child to:
- Send text & voice messages
- Make voice & video calls
- Share emojis & pictures
- Chat safely in parent-approved groups
This ensures your child stays connected but always in a monitored, secure environment.
Which mobile devices are compatible with the myFirst Circle app?
The myFirst Circle App is compatible with most iOS and Android mobile devices. However, please take note that we are currently addressing compatibility issues with the latest models of OPPO devices.