Hingi po sana ako tulong, kakabili ko palang kase ng sim ko nung saturday, tapos sunday ng hapon bigla nawala yung data, baka na blocked na sya, pero im sure di pa ako umaabot ng 700Mb. di ko na ngayon magamit sa data, kase ayaw na lumabas ng data signal. sana may makatulong pano i unblock.
One way to unblock your smart sim is by contacting smart help support directly through phone. Sending an email is another way however it could take longer time than calling them.