for technical documentation, but software downloads are often restricted to authorized partners [10]. Version Identification
There is no public "ZTE Global Firmware Repository." ZTE only distributes firmware to ISPs and licensed distributors. However, you have four legitimate paths to obtain the V90 firmware.
Please be cautious when modifying your device's firmware, and if you're unsure about any step, consider seeking help from ZTE support or a professional.
Hold the physical "Reset" button for 30 seconds while the device is on.