A portable firmware version is not a standard term, but I assume you mean a firmware version that can be updated without requiring a computer or a specific software tool. Unfortunately, ZTE does not provide a portable firmware version for the MF927U. However, you can update the firmware using a computer and a web browser.
Flashing firmware intended for a different region or network provider can permanently break (brick) your device. For example, installing firmware meant for a Russian carrier onto a device purchased in South Africa may corrupt the modem configuration or disable local LTE frequency bands. Identifying Your Specific Device Information download zte mf927u firmware portable
This is the safest method as it source-verifies the software directly from ZTE or your network carrier. A portable firmware version is not a standard
Official firmware and update tools are typically distributed based on your specific region and the network provider (e.g., MTN, Airtel, Jazz) for which the device was branded. Flashing firmware intended for a different region or
Flashing the wrong firmware can permanently damage your device. Always verify model numbers (MF927U vs MF927U Pro) and hardware revisions before proceeding.