Surfsaya 20 Promo - 2 Days 100MB/day for Facebook + 100MB Data

Talk N Text Surfsaya 20 is an unlimited call and text to all networks promo plus data valid for 2 days.
What is Surfsaya 20? 
A promo that gives you unlimited calls to TNT, Smart and Sun Cellular.  Unli texts to all networks, 100MB of data for Facebook every day and 100MB open access data to surf for only 20 pesos.
For how many days?
Validity of this promo is 2 days.
Who can register to this promo?
Open to all active TNT subscribers nationwide except subscribers whose international roaming service is active.

TNT SURSAYA 20 Mechanics

Dial *121# and choose SurfSaya then select SurfSaya 20.  You can also text the keyword SURFSAYA20 then send to 4545.
Registration via load retailer?
Just text SAYA2009181234567 to 4540
How to check balance?
Just dial *121#.