I has already provided the unlock solution of Idea 3G Huawei E1550 modem for free. But, after the unlocking some users are getting the error with some sim of BSNL and Tata Docomo. While trying to connect to the internet it give the error 619.
The errors can be solved out with the help of firmware and Huawei Unlock Code generator software, and which download link is available at the end of the article.

Guide to solve the error of BSNL / Docomo 619 error problem in Idea E1550 modem :
  1. Download the unlocking software and firmware for Idea Huawei E1550 modem from the link which is provided at the end of the article.
  2. Run the Huawei Unlock code generator tool.
  3. Generate the unlock code / flash code for your modem through huawei tab and note it down.
  4. Now run the firmware and use flash code as password when firmware asks.
  5. Finish the process and you have done.

Enjoy error free Idea Huawei E1550 modem.

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