Dependi yan sa plan.. If meyron no bill shock plan mo.. For example data allocation mu 20gb a month.. If meyron ka no bill shock kahit 100gb kana this month 1500 parin babayaran mo.. Plan mu 999/month.. Data allocation 20gb.. Ang anti bill shock 1,500 mababayaran mu if lagpas kana sa allocation mo.. Diba sulit? Ask the store specialist if ever..