Basic Requirements:
- Your Huawei E220 HSDPA modem
- E220Update_11.117.10.00.00.B268.exe
- hexedit.exe
- qmat_423.zip
- CardLock_UnLock.exe
- Finally a brain.
All the above software can be downloaded from the following link.
http://www.mediafire.com/file/mmoy4n2wykh/e220_Unlock_Pack.rar
STEP 1
- Remove the SIM card and connect the E220 USB Modem to the PC
- Run “E220Update_11.117.10.00.00.B268.exe”
Now you’ll get the following window. Select “I accept the agreement” Then click Next

Then wait until it detects the modem interface. After the detection of Modem, you will get the following window. Press “Cancel”

Press “Yes” to Quit from the Firmware Update Process.

STEP 2
Extract “qmat_423.zip”
Run “qmat.exe” and select: Hardware Forensics -> Use Com/USB Port

Now the “QC Com Diag” window should be open. Most of the time your modem and com port is automatically selected on the Serial Com port drop down list. If not you’ll have to select it manually. And then click on the “Send Cmd” button and wait till the message “Successfully sent command” appears on the bottom right.
Now Select ” Read EFS” from the Diag Functions drop down menu and Click the “Lets go” button.

When it asks, enter the file name unlocke220.bin and save it.

A message saying “Successfully read EFS” should appear.

STEP 3
Run “hexedit.exe” and Open the saved file unlocke220.bin

Click on “Find” to search for the Hex string 53 64 2c or 53 64

After few random characters you’ll see a clean 8 digit code. In this case 36048131.

Once you’ve found the unlock key all you have to do is run “CardLock_UnLock.exe” enter the 8 digit code click “OK”

And your modem is… Unlocked!!!

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