While the software claims compatibility with many "old and new" firmware modems, specific older models known to work include: Google Groups E156 / E156G E155 / E1552 / E1550 Security and Usage Risks
: Most Huawei devices only allow a limited number of incorrect unlock attempts (typically ten). Using an incorrectly generated code from an unreliable tool can permanently "hard lock" the device to the original carrier. Huawei Modem Unlocker V.5.7.8
: Insert a SIM card from a different carrier. The modem should now register on the new network, allowing you to configure new APN settings for internet access. Safety and Risks While the software claims compatibility with many "old
: Modifying modem firmware or forcing unlock attempts can permanently disable the device if the process is interrupted or if the wrong version is used. The modem should now register on the new
| Category | Model Numbers | | :--- | :--- | | | E3372, E3272, E3276, E3531, E3533, E398, E392 | | 3G USB Dongles | E173, E303, E3131, E355, E367 | | MiFi (Mobile WiFi) | E5330, E5332, E5372, E5573, E5577, E5776, E8372 | | Home Routers | B310, B315, B525, B593 |
The (is this for a tech blog, a forum, or personal notes?) If you need a step-by-step guide or just a general overview The specific device model you are trying to unlock
: Some versions also claim to support unlocking for certain Alcatel , LG , and ZTE mobile phones.