Most Transactions Need Authorization Code.
To Unblock Promotional Messages Dial *456*9*5*5*1# from any mobile provider line (Safaricom, Airtel).
How to activate promotional services
Dial *411# on your phone
Choose the category e.g. Horoscopes, Bible verses, entertainment, sports, news
You will receive an SMS reply
To know all the channels that you have activated:
Send an SMS to 411 with the word “list”
Messages that you send to activate or de-activate the service will not be charged.
You may then deactivate the channels one by one depending on your needs
Activation and de-activation is FREE
Alternatively
Dial *100#
Go to option 5 and choose promotion messages, then activate.