Enter the IMEI into a tool like the Universal MasterCode or an online calculator.

Insert a SIM card from a different carrier and power on the device.

The software relies on various "algorithms" (New Algo vs. Old Algo) developed by Huawei over the years to protect their hardware.

The is a program—available as both offline software and online scripts—that uses a device’s unique 15-digit IMEI number to calculate specific security keys. These keys allow users to:

Use any SIM card from any mobile carrier worldwide.

Look for a 15-digit number on the sticker under the battery or on the device's casing. Alternatively, for phones or routers with a dial pad, enter *#06# .

When prompted for an unlock code on the device's web interface (usually at 192.168.8.1 ), enter the generated Unlock/NCK code . Critical Warnings and Troubleshooting HMUC-Huawei Modem Unlock Codes - Apps on Google Play

Used for legacy 3G USB modems (e.g., E1550, E173). Most "Universal Master Code" tools work perfectly with these.

--- Huawei Code Calculator -universal Master Code- May 2026

Enter the IMEI into a tool like the Universal MasterCode or an online calculator.

Insert a SIM card from a different carrier and power on the device.

The software relies on various "algorithms" (New Algo vs. Old Algo) developed by Huawei over the years to protect their hardware.

The is a program—available as both offline software and online scripts—that uses a device’s unique 15-digit IMEI number to calculate specific security keys. These keys allow users to:

Use any SIM card from any mobile carrier worldwide.

Look for a 15-digit number on the sticker under the battery or on the device's casing. Alternatively, for phones or routers with a dial pad, enter *#06# .

Used for legacy 3G USB modems (e.g., E1550, E173). Most "Universal Master Code" tools work perfectly with these.