Close any automatic carrier software or dashboards that launch on startup.
For the E173u-1, the most common and safest method of unlocking does not actually require changing the firmware. Instead, it involves calculating the manufacturer's unlock code.
For most users holding a Huawei E173u-1, the goal is to use a different SIM card. This is best achieved by using a to retrieve the unlock code—a software-level solution that leaves the firmware intact. Huawei E173u-1 Unlock Firmware
Once unlocked, the modem will not automatically connect to a new network until you configure the Access Point Name (APN).
: Many unlock solutions include a generic Huawei "Mobile Partner" dashboard. This replaces carrier-branded software with a clean interface for managing SMS, contacts, and data usage statistics. Close any automatic carrier software or dashboards that
Modifying the firmware of any telecommunications device involves significant technical risks:
Once successfully flashed, the modem will no longer restrict foreign SIM cards. However, it won't connect to the internet automatically until you configure the new network's details. Insert your new SIM card and plug the modem into your PC. Open (or your updated connection manager). Navigate to Tools > Options > Profile Management . Click New and fill in your new carrier's configuration: Profile Name: [Your Carrier Name] APN Type: Static APN: [Your carrier's APN string, e.g., internet ] Access Number: *99# (Universal for GSM networks) For most users holding a Huawei E173u-1, the
: The IMEI (International Mobile Equipment Identity) is crucial for this. You can usually find it on a sticker under the modem's cover.
Once your modem is unlocked, it will no longer configure your internet settings automatically. You must input the Access Point Name (APN) manually for your new network carrier.
