There are so many ways to check your Talk 'N Text load Balance.
1. Using your sim tookit menu go to Talk 'N Text menu then Balance inquiry to receive your balance inquiry thru sms.
2. You may also call 15001 you'll receive your balance inquiry thru text. P1/inquiry
3. Text ?15001 send to 214
4. You can also check your load balance online. Just to go https://my.smart.com.ph/ register and link your mobile number. This service is free of charge.