: Be careful not to exhaust your unlock attempts (usually limited to 10). If the codes do not work, do not keep trying. Device Support
| Tool | Pricing | Best for | |------|---------|----------| | Paid (~$15) | Older 3G/4G modems | | Huawei Code Calculator | Free | E173, E303 series only | | Universal Master Code | Free | Very old E1550, E156G | | HCU (Huawei Calculator Utility) | Paid | 2016-2020 modems | download huawei modem unlocker v581b by bojs latest updated
But for 95% of Huawei 3G/4G modems, remains the most reliable free option. : Be careful not to exhaust your unlock
The is a free, third-party software utility designed to remove network carrier locks from Huawei USB modems and dongles. It is widely used by international travelers and users looking to switch service providers without purchasing new hardware. Key Features & Capabilities The is a free, third-party software utility designed
Disconnect from the internet and close all active modem software.
Click "Calculate" to generate the necessary codes. Application: Insert a SIM card from a different network into the modem. Connect the modem to your PC.
**Did this tool work