If you have located the software and verified your device is an Icera model, here is the general workflow:
The Icera chipset line is obsolete. ZTE has moved to Qualcomm and Spreadtrum platforms. This client will not work on 5G or newer 4G ZTE devices. dcunlocker zte icera unlocker client v10025 link
In the world of mobile broadband, ZTE is a dominant manufacturer of USB modems, MiFi devices, and embedded LTE modules. Many of these devices are sold "locked" to a specific mobile carrier. To liberate these devices for use with any SIM card, users often turn to third-party unlocking software. Among the most famous of these tools is DC Unlocker. The specific file reference, "dcunlocker zte icera unlocker client v10025," points to a legacy but specific version of this software designed to target ZTE devices running on Icera (now Nvidia) chipsets. If you have located the software and verified