sa smart jumpsim, paload ka 100 tapos text roam on(wait for reply) then text roam off(wait for reply) then on airplane mode 5 minutes. after 5 minutes turn off airplane mode then check if there is a signal like H+ or 3G.
kung wala kang budget pangload ng 100 pesos. tawag muna lang sa csr ng smart. *888
dapat may maintaining balance ka para makatawag. yamu na free of charge naman..
gawa kana lang ng story para paniwalaan ka ng csr