Random blocking yan, iwasan mo magdownload ng malalaki na file, kase mali request nun ng data bandwidth; mapapansin mo pag nagdodownload ka tumataas yung transfer rate gaya ng 1mbps or 2mbps, once madetect yan ng network na malaki yung request mo na bandwidth for a long period of time, tas yung consumption mo lampas 2gb na. Dyan na maboblock yung data connection mo = blocked sim.