gmi555 0 Report post Posted January 20, 2008 hello friends iam using and huawei ec321 data card which came free with my laptop and now iam in post paid and now its been locked i want to open it up and use it kindly help and some pls give me help or details of how to unlock airtel sim card when it is showing sim card registration failed Share this post Link to post Share on other sites
Arun 795 Report post Posted January 20, 2008 "want to open it up and use it" - what exactly do you mean by that ? Do you mean use it with another operator ? Share this post Link to post Share on other sites
kshah 452 Report post Posted January 20, 2008 airetel is gsm and reliance is cdma. so can not use airtel sim in it. Also opening card doesnt meant it will b unlocked. Share this post Link to post Share on other sites