In order to make contact with a seller, you first need to ensure that you have a registered OLX account and that you're logged into your profile. 

You have the option of chatting to the seller using the "CHAT WITH SELLER" feature on the ad;

Or, if the seller has added their phone number to their ad, tap the "Show number" option to view the their contact number:

If you're still having trouble contacting the seller, please feel free to contact us.