Is there no option to turn off cell broadcasting messages in HTC Desire X dual sim?

I searched lot on google but I didn't find any working solution to stop receving messages from "50" I tried these solution but didn't work for me - https://android.stackexchange.com/questions/54673/is-there-no-option-to-turn-off-cell-broadcasting-messages-in-htc-desire-500 Does anyone really have a proper solution (have experienced). Also please dont mark this question as duplicate.