Never update firmware over Wi-Fi. A momentary signal drop can corrupt the installation. Connect your PC to a LAN port via Ethernet.
While firmware updates are generally straightforward, issues can arise. Some common issues and troubleshooting steps include:
If you just want a of a forum post asking about HG8245q2 firmware updates, here it is:
The HG8245Q2 is a stable platform, but firmware updates carry inherent risk.