i guess oo, kasi namomonitor nila lahat nang data from your phone, ginagamit nila yung imei ng phone at simcard mo kapag kumonek ka sa tower nila as identifier, mahihirapan sila magpoint out kung saan exactly naroroon yung location mo ngunit maaari nilang matrace kung saang nearby towers ka kumokonek, especially kung ginagamit mo yung phone mo like tawag or text,
nagamit yung ganitong system para maabsolve yung isang case sa US, pede mo panuorin yung netflix docu na "Long Shot"