How do I check my data usage? SakuraMobile December 05, 2018 09:32 Updated Follow Please refer to usage record page.Your key is your rental start date formatted in yyyy-mm-dd (2001-01-01) Related articles How do I Top Up? How do I make payments? Can I pay with cash on delivery? How do I extend my rental? My schedule has been changed, do you accept early returns? How to use Smart Pit at convenience store (LAWSON / MINI STOP) Comments 0 comments Please sign in to leave a comment.