Unlock your Huawei UMG1831 21Mbps mobile broadband modem to use with any GSM service provider in India and abroad. Huawei UMG1831 Unlock will allow you to use your modem with any GSM providers in india like BSNL/MTNL/AIRTEL and AIRCEL. All UMG 1831 modems are capable to support any 3G network once unlocked. In this post you will get free Huawei UMG 1831 Unlock Software and the step by step guide to do it. <Bạn vui lòng đăng nhập hoặc đăng ký để xem được nội dung này!> First Plug-in your modem in any one USB port in your laptop/desktop and make sure that it is detected and showing in my computer as an extra disk. Download and Install <Bạn vui lòng đăng nhập hoặc đăng ký để xem được nội dung này!> Select Manufacturer as “Huawei modems” <Bạn vui lòng đăng nhập hoặc đăng ký để xem được nội dung này!> Select Model as “Huawei UMG1831″ Now in Unlocking button (given to the right) tab your Do job button will be enabled. Press Do job button and enjoy the unlocked modem and internet.