Only if you are a legacy ADSL2+ user with no fiber upgrade path.
Never update firmware over Wi-Fi; a signal drop will brick the device. zte zxv10 w300 firmware update160 link
The is a legacy wireless ADSL router. While firmware versions like W300V1.0.0a_ZRD_LK have been documented in the past, specific "update 160" links are often found on unofficial third-party forums or regional ISP support pages rather than the primary global ZTE portal. Firmware Update Overview Only if you are a legacy ADSL2+ user
Supports up to 300 Mbps wireless and features four Ethernet ports . zte zxv10 w300 firmware update160 link
Yes. The W300 has at least four different UI themes (blue, green, orange, ISP-branded). The upgrade method via is common to all.