STEPS

Buy a new smartphone from ETISALAT experienced center or open market.
2. Insert a new registered SIM card in the new smartphone.
3. Look for the PIN inside the phone box or under the offer sticker on the phone box and send the PIN to 8186 or by dialing *8186*PIN# for devices bought in the open market.
3b. For customers who purchased at experience centers ,the ETISALAT retail staff will activate the offer for you in your phone.
If the subscriber is eligible, he will be granted 1GB valid for 30days .
Subscribers also need to purchase #1,000 worth of data every month to get free social me pack next month.

Source; http://etisalat.com.ng/smartphone-offer/