: Supports TDD-LTE, FDD-LTE (Cat 4), WCDMA, and GSM/GPRS/EDGE.

To bridge the gap between your UMS9117 device and a Windows PC, you need the SPD (Spreadtrum) USB Drivers . These are universal for most Unisoc-based chips. 1. Download and Extract Search for the latest SPD / Unisoc CPU Drivers package (often around 6-7 MB). Websites like HardReset.info often host these files. 2. Run the Installer Unisoc Tiger T117 - Helpix

. This "Tiger T117" processor is a powerhouse for modern feature phones, bringing 4G LTE and VoLTE to devices that traditionally lived on 2G.