Huawei EC122 detect and unlock procedure

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Huawei EC122 detect and unlock procedure
Download Huawei CDMA Modems Unlocker client
Video tutorial

Launch DC-Unlocker Huawei CDMA Modems Unlocker client
Launch unlocker client

Open User Account data tab, enter your username and password that you received after credits purchase. Click "Check account status". (you can buy credits here If DC-Unlocker/Vygis/Rocker/Infinity dongle is connected, do not enter username and password, only click "Check login".
Check account status

Now proceed to Modems tab and click Detect device
detect device

Wait till DC-Unlocker Huawei CDMA Modems Unlocker software fully detects device
detected device

Open Unlock tab and click Unlock button, wait till you see message that modem is unlocked
Modem is unlocked

After you see that modem successfully unlocked, restart it by disconnecting and connecting it back. NOTE: if after performing unlock operation modem is still locked follow these steps: Launch DC-Unlocker Huawei CDMA Modems Unlocker client again, repeat login procedure. Navigate to Help tab and click Access support area
Enter support area website

You should be redirected to support area website
Support area website

Type "ec122" in search field and hit enter
Search for ec122

Select by clicking on "EC122_Firmware_TCPUB104D04SP00C000(Normal).zip " then click on download button
Download file

Run the downloaded installation file and update the firmware of your EC122 Data card to version, by putting a check mark on I accept the agreement and clicking Next button
Run downloaded file

On the following window put a check on Auto remove the device after update and click Next
Install wizard

Read Warning message on the next window and pay attention to things you should be aware during update. Then click Start button.
Install wizard

After you click Start button, other window should appear where you need to enter password to proceed with the update
Install wizard

Open DC-Unlocker Huawei CDMA modems unlocker client, navigate to Unlock tab and click on Read firmware code button
Install wizard

Copy Firmware Updater code from the program window and paste it in EC122 update wizard window. Click Next button
Install wizard

After update is done, other window should appear. Click OK and Finish buttons. Reconnect EC122 afterwards
Install wizard

Now run DC-Unlocker Huawei CDMA Modems Unlocker client and repeat unlocking.
If you are going to use device with R-UIM card, you need to detect device again. If R-UIM settings line says NV Only, do as following: navigate to Unlock tab, select from drop down menu R-UIM Only or R-UIM preferred and click Write R-UIM settings.

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