Connectivity
Equipped for global use, the O2 XDA Serra supports GSM and HSPA networks, offering voice and data connectivity in many regions. Internet speed is relatively slow by modern standards but adequate for the era's requirements. The inclusion of Wi-Fi 802.11 b/g allows for faster internet access in wireless-enabled environments. It also supports Bluetooth 2.0 for external device connectivity and comes with GPS and A-GPS capabilities for location services. The miniUSB port serves for data transfer and charging, adhering to the common standard of that era.