G - Tech Sales & Services is an electronics repair and mobile device service business located in Roseau, Dominica. It focuses on mobile phone repairs, device sales, computer services, and related technical support, making it a one-stop shop for many everyday consumer technology needs. 

The business offers a broad range of repair and technical services, including:

• Mobile phone repairs, such as screen, battery, and charging port replacements.

• Security and network unlocking for supported devices.

• Computer repair and troubleshooting.

• Operating system and application installation.

• Sales of phones and accessories alongside repair services. 

G - Tech Sales & Services emphasizes providing both device sales and after-sales support in one location. Its website highlights trained technicians for repairs ranging from minor fixes to more extensive hardware work, along with technical assistance for computers and mobile devices.