Internet pack can be purchased... More through USSD dialing.
Internet volume can be used in 2G/3G/4G network.
Internet pack check *3#
Internet Pack can be purchased with auto recurring.
39Tk FB Messenger pack can be used to browse through FB messenger (chatting, video calling & photo sending). But if any external link (not within FB Messenger) is shared, then internet will be consumed from other packs or PPU may happen.