Once you have the firmware .bin or .img file:
Many third-party forums and file-sharing sites host fake or corrupted firmware files. Installing incorrect firmware can brick your router permanently. zte zxv10 w300 firmware update160 link
Firmware for this model is often customized by ISPs (e.g., Djaweb, Movistar). Using incorrect firmware can "brick" the device. Steam Community Preparation Backup Settings Once you have the firmware