How to solve error 619 in tata docomo huawei modem




  1.  First Of All Download Free Huawei Modem Tool From Here
  2.  
  3. Then insert your modem without sim and open the tool
  4.  
  5. Then click on Autorun Disable then Click On Last Option i meanActive All Bandthen click on Autorun Enable 
  6. You are done Enjoy 

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