To upgrade from your existing 2G to 3G services, write 3G and send to 666. The upgradation fee is Free and respective 3G package will be activated and notified through SMS.

Note:

For example, if Bijoy 2G package subscribers want to upgrade from 2G to 3G, write 3G and send to 666
and Bijoy 3G will be activated.

How to downgrade 3G to 2G Service?

Now I am telling how to migrate from 3G to 2G. You may need to migrate from 3G to 2G because if you are living in 2G area 3G will not work here. so you need to migrate from 3G to 2G.

Now let’s see how to migrate from 3G to 2G

To downgrade from 3G to 2G, write 2G and send to 666 and respective package will be activated.

For example, if Bijoy 3G package subscribers want to downgrade from 3G to 2G, write 3G and send to 666
and Bijoy 2G will be activated.

Thanks.