Introduction
This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your Samsung Gear S2 R735A Classic Smartwatch. Please read this guide thoroughly to ensure optimal performance and longevity of your device.
Product Overview
The Samsung Gear S2 R735A Classic is a sophisticated smartwatch designed to keep you connected and track your activities. It features a circular display, a rotating bezel for navigation, and a comfortable leather strap.

Front view of the Samsung Gear S2 Classic Smartwatch, showcasing its circular display and black leather strap.

Rear view of the smartwatch, highlighting the sensor array and the buckle of the black leather strap.

Angled perspective of the watch, illustrating the rotating bezel and the two physical buttons on the side.

Side profile of the smartwatch, detailing its form factor and the placement of the control buttons.
Initial Setup
1. Charging the Device
Before first use, fully charge your smartwatch. Place the watch on its wireless charging dock. The charging indicator on the screen will show the charging status. A full charge typically takes approximately 2 hours.
2. Powering On/Off
To power on, press and hold the Home button (lower right) until the Samsung logo appears. To power off, press and hold the Home button, then select 'Power off' from the options.
3. Pairing with a Smartphone
The Samsung Gear S2 R735A is compatible with Android smartphones. Download the Samsung Gear app from the Google Play Store on your smartphone. Open the app and follow the on-screen instructions to pair your smartwatch via Bluetooth. Ensure Bluetooth is enabled on both devices.
4. AT&T 3G Activation
For 3G cellular connectivity, your smartwatch requires activation with AT&T. This typically involves setting up a data plan through your AT&T account. Consult AT&T's customer service or visit their website for detailed activation procedures specific to your plan and device.
Operating Your Smartwatch
Navigation
- Rotating Bezel: Turn the bezel clockwise or counter-clockwise to scroll through widgets, notifications, and menus.
- Touchscreen: Tap to select items, swipe to navigate, and pinch to zoom (where applicable).
- Home Button (Lower Right): Press to return to the watch face. Double-press for a customizable shortcut. Press and hold for power options.
- Back Button (Upper Right): Press to go back to the previous screen.
Basic Functions
- Time Display: The watch face displays the current time. Customize watch faces via the Samsung Gear app.
- Notifications: Receive alerts for calls, messages, and app notifications directly on your wrist. Swipe right from the watch face to view.
- Calls & Messages: Answer or decline calls, and view/respond to messages using pre-set replies or voice input.
Fitness Tracking
The smartwatch includes an activity tracker to monitor your daily movement, steps, and other fitness metrics. Access fitness data through the S Health app on your watch or paired smartphone.
Connectivity
Your device supports Wi-Fi for internet access and 3G cellular connectivity (with an active AT&T plan) for standalone communication when your phone is not nearby.
Care and Maintenance
Cleaning
Wipe the watch and strap with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials. The device is not water resistant; avoid submerging it in water.
Battery Care
To prolong battery life, avoid exposing the watch to extreme temperatures. Charge the device regularly and avoid letting the battery completely drain for extended periods.
Software Updates
Periodically check for software updates through the Samsung Gear app on your smartphone. Updates provide new features, performance improvements, and security enhancements.
Troubleshooting Common Issues
- Watch not powering on: Ensure the battery is charged. Place it on the charging dock for at least 30 minutes.
- Cannot pair with smartphone: Check that Bluetooth is enabled on both devices. Restart both the watch and the phone. Ensure the Samsung Gear app is installed and updated.
- Poor 3G signal: Move to an area with better network coverage. Contact AT&T if issues persist.
- Touchscreen unresponsive: Restart the watch. If the issue continues, perform a factory reset (data will be lost).
- Battery draining quickly: Reduce screen brightness, disable unnecessary notifications, or limit background app usage.
Product Specifications
| Model Number | R735A |
| Brand | Samsung |
| Operating System | Android/Android 4.4 (Tizen OS based on Android) |
| Screen Size | 1.2 Inches |
| Display Type | AMOLED |
| Resolution | 240 x 240 |
| Connectivity Technology | Wi-Fi, 3G Cellular |
| Wireless Provider | AT&T |
| Band Material Type | Leather |
| Case Material Type | Leather (referring to strap, case is metal) |
| Water Resistance Level | Not Water Resistant |
| Compatible Devices | Smartphone (Android devices) |
| Item Weight | 4.8 ounces |
| Item Dimensions | 7.4 x 1.8 x 3.7 inches (packaging) |
Warranty Information
This Samsung Gear S2 R735A Classic Smartwatch is a renewed product. It comes with a limited warranty. Renewed products purchased through Amazon are typically covered by the Amazon Renewed Guarantee, which provides for a replacement or refund if you are not satisfied with your purchase. Please refer to the specific terms and conditions of the Amazon Renewed Guarantee or your seller's warranty policy for full details.
Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact:
- Samsung Support: Visit the official Samsung website for support resources, FAQs, and contact information for your region.
- Amazon Renewed Support: For issues related to your renewed purchase, contact Amazon Customer Service or the specific seller (BidAllies) through your Amazon order history.







