It's easy to inquire the Smart prepaid balance of your cellphone. I'll show here 3 options on how to do that.
You can check your Smart balance through Smart Menu, Textand Access Number:
Smart Balance Inquiry through Smart Menu. With SMART Menu, checking your latest SMART Buddy PESO and FREE TEXT balance is a breeze. Simply click on Buddy Balance and you'll receive a message stating your current pre-paid PESO, FREE TEXT balance and UnliCall/UnliText subscription expiration.
Smart Balance Inquiry through Text. You can also check your latest available PESO, FREE TEXT balance and Unlicalls/Unlitext subscription expiration via text by typing ?1515 and sending to 214. You will then receive a text message stating your balance information.
Smart Balance Inquiry through Access Number. You can call to inquire about your PESO balance by simply dialing 1515 + SEND . After a short beep, you will then receive a text message stating your latest available PESO, FREE TEXT balance and Unlicalls/Unlitext subscription expiration, together with the date and time of your inquiry.
Call 1515 in your cellphone and you will receive your balance details via text. Cost is 1 peso per inquiry.
Log-in to your Smart Account on Smart website (https://my.smart.com.ph/). You can check your balance there. But registration and linking of your account to your mobile number is needed.