Yes, as long as the hardware version matches (e.g., v3 EU = v3 US). Regional firmware only adds local DSL profiles (e.g., Annex B for Germany vs Annex A for the US).
Alternatively, flip the device over. The sticker on the bottom lists the exact hardware version. Tp-link-firmware-td-w8901g
The hardware version (e.g., TD-W8901G v1 , v2 , v3 , v4 , v5 ) determines which firmware file you need. Installing the wrong version will break the router. Yes, as long as the hardware version matches (e
Navigate to → Firmware Upgrade .