1. Introducció
This manual provides detailed instructions for the GameSir G8 Galileo Type-C Mobile Gaming Controller and the GameSir T4 Pro Wireless Game Controller. Please read this manual carefully before using your controllers to ensure proper function and longevity.

Image: The GameSir G8 Galileo mobile controller (top) and the GameSir T4 Pro wireless controller (bottom).
2. GameSir G8 Galileo Mobile Gaming Controller
2.1 Producte acabatview i Característiques
The GameSir G8 Galileo is a Type-C mobile gaming controller designed for Android and iPhone 15 series devices. It offers a console-like gaming experience on your smartphone.
- Movable Type-C Port: Ensures a reliable connection to your gaming device.
- Pass-Through Charging & 3.5mm Audio Jack: Allows simultaneous charging of your phone and use of wired headphones during gameplay.
- On-the-fly Mappings: Features 2 extra programmable buttons for quick in-game customization without requiring software. Mappable buttons include A, B, X, Y, LB, RB, LT, RT, LS, RS, View, Menu, Capture, and D-Pad.
- Joysticks i disparadors d'efecte Hall: Provides precise and drift-free control.
- Magnetic Swappable Faceplates: Allows for customization and includes 3 extra interchangeable thumbsticks (Tall, Small, Dome) for personalized grip and control.
- Ajust Universal: Extendable design accommodates phones from 4.33 inches to 7.28 inches, including those with camera bumps up to 5mm in depth.
- Personalització del programari: Fully customizable via the GameSir App (Android only).

Image: The GameSir G8 Galileo controller with its magnetic swappable faceplates and three different thumbstick options (tall, small, dome).

Imatge: Una explosió view diagram highlighting the GameSir Hall Tech, featuring anti-drift Hall Effect sticks and precision-tuned Hall Effect analog triggers for enhanced control.
2.2 Setup and Connection (G8 Galileo)
- Inseriu el telèfon: Gently extend the controller and place your Android or iPhone 15 series device into the Type-C port. Ensure the phone is securely seated.
- Encès: The controller typically powers on automatically upon connection to a compatible device.
- Càrrega directa: To charge your phone while playing, connect a USB-C charging cable to the controller's pass-through charging port.
- Connexió d'àudio: For wired audio, plug your 3.5mm headphones into the controller's audio jack.
- App Customization (Android Only): Download the GameSir App from the Google Play Store for advanced button mapping and stick/trigger calibration.

Image: The GameSir G8 Galileo controller demonstrating its pass-through charging and 3.5mm audio jack functionality while a phone is connected and displaying a game.

Image: The GameSir G8 Galileo controller illustrating its universal fit, accommodating phones between 4.33 and 7.28 inches, along with a list of compatible and incompatible phone models for pass-through charging.
2.3 Operating Instructions (G8 Galileo)
- Compatibilitat amb jocs: Supports popular streaming apps including Xbox Cloud Gaming (Beta) with Xbox Game Pass Ultimate, PS Remote Play, NVIDIA GeForce Now, and Amazon Luna.
- On-the-fly Button Mapping: Use the dedicated mapping buttons to reassign functions to the extra buttons without needing external software. Refer to the in-app guide for detailed mapping procedures.
- Thumbstick Customization: To change thumbsticks, remove the magnetic faceplate and replace the existing thumbstick with one of the included tall, small, or dome options.

Image: The GameSir G8 Galileo controller demonstrating its software customization capabilities via the GameSir App, allowing users to adjust stick and trigger settings (supports Android only).
3. GameSir T4 Pro Wireless Game Controller
3.1 Producte acabatview i Característiques
The GameSir T4 Pro is a versatile wireless game controller compatible with Windows 7/8/10 PC, iPhone, Android, and Nintendo Switch. It features dual shock vibration and a semi-transparent design with LED backlighting.
- Compatibilitat multiplataforma: Supports Android phones and tablets, Windows XP/7/8/10 PC, iPhone, iPad, and Nintendo Switch.
- Connectivitat sense fils: Connects via Bluetooth (for mobile devices and Switch) or USB receiver (for PC).
- Dual Shock Vibration: Proporciona una resposta hàptica immersiva durant el joc.
- Phone Bracket: Includes a detachable phone bracket for mobile gaming.
- Retroil·luminació LED: Semi-transparent design with colorful LED backlighting for buttons and joysticks.
- Extensive Game Support: Deeply supports Apple Arcade, MFi Games, and Switch Games.

Image: The GameSir T4 Pro controller showcasing its colorful LED backlight on the action buttons and around the right joystick, visible through its semi-transparent casing.
3.2 Setup and Connection (T4 Pro)
- Càrrega: Before first use, ensure the controller is fully charged using the provided USB cable.
- Encès: Press the Home button to power on the controller.
- Connecting to PC (USB Receiver): Insert the USB receiver into an available USB port on your PC. The controller should automatically connect.
- Connecting to Mobile/Switch (Bluetooth):
- Mode de sincronització: Press and hold the Home button along with the appropriate platform button (e.g., A for Android, Y for Switch) until the indicator light flashes rapidly.
- Configuració del dispositiu: On your mobile device or Switch, go to Bluetooth settings and select 'GameSir T4 Pro' from the list of available devices.
- Attaching Phone Bracket: If using with a mobile phone, attach the included phone bracket to the controller and secure your phone.

Image: The GameSir T4 Pro controller package contents, including the controller, detachable phone bracket, USB charging cable, USB wireless receiver, and the user manual.
3.3 Operating Instructions (T4 Pro)
- Canvi de mode: The T4 Pro supports different connection modes for various platforms. Refer to the quick start guide for specific button combinations to switch between Android, iOS, PC, and Switch modes.
- Funció turbo: Some buttons may support a turbo function for rapid input. Consult the quick start guide for activation and deactivation.
- LED Backlight Control: The LED backlight can typically be adjusted or turned off by pressing specific button combinations (e.g., Function + L3/R3).

Image: A user holding the GameSir T4 Pro controller with a smartphone mounted on its bracket, actively playing a mobile game. This illustrates its support for Apple Arcade and MFi games.
4. Manteniment
- Neteja: Use a soft, dry cloth to clean the controllers. Do not use harsh chemicals or abrasive materials.
- Emmagatzematge: Store controllers in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care (T4 Pro): For the T4 Pro, avoid fully discharging the battery frequently. Charge regularly to maintain battery health.
- Protecció del port: Ensure the Type-C port on the G8 Galileo and charging ports on both controllers are free from dust and debris.
5. Solució De Problemes
5.1 GameSir G8 Galileo
- El controlador no es connecta: Ensure your phone's Type-C port is clean and the phone is fully inserted. Restart your phone and try again.
- La càrrega de pas a pas no funciona: Verify that your charging cable and power adapter are functional. Check the compatibility list for your phone model regarding pass-through charging.
- Botons que no responen: Check the GameSir App (Android only) for any custom mappings that might be interfering. Perform a factory reset if necessary (refer to app instructions).
5.2 GameSir T4 Pro
- Controller Not Connecting (Bluetooth): Ensure the controller is in the correct pairing mode for your device. Turn off and on your device's Bluetooth, then attempt to re-pair.
- Controller Not Connecting (USB Receiver): Try a different USB port on your PC. Ensure the USB receiver is fully inserted.
- Retard d'entrada o desconnexions: Ensure the controller is fully charged. Reduce distance between the controller and the device, and minimize interference from other wireless devices.
- Botons que no responen: Check if the controller is in the correct operating mode for your platform (e.g., Android mode for Android games).
6. Especificacions
| Característica | GameSir G8 Galileo | GameSir T4 Pro |
|---|---|---|
| Connectivitat | Cablejat (USB-C) | Wireless (Bluetooth, USB Receiver) |
| Dispositius compatibles | Android, iPhone 15 Series (USB-C) | Android, iPhone, iPad, Windows 7/8/10 PC, Nintendo Switch |
| Joysticks/Triggers | Hall Effect Joysticks/Triggers | Standard Analog Joysticks/Triggers |
| Característiques especials | Movable Type-C Port, Pass-Through Charging, 3.5mm Audio Jack, Swappable Faceplates/Thumbsticks, On-the-fly Mappings | Dual Shock Vibration, Phone Bracket, Semi-Transparent LED Backlight |
| Font d'alimentació | Device Powered | Funciona amb bateria |
| Color | Gris | Black (Semi-transparent) |
7. Garantia i Suport
GameSir products are covered by a limited warranty. For specific warranty terms, duration, and support, please refer to the warranty card included with your product or visit the official GameSir weblloc web. Conserveu el comprovant de compra per a reclamacions de garantia.
For technical assistance or further inquiries, please contact GameSir customer support through their official channels.





