How do I extend my rental? Customer Support August 01, 2021 09:27 Updated Follow For SIM cards, you will not be able to extend the rental period since they will expire after the relevant days. Therefore, you will have to order a new one. For the WiFi, please submit the extension request form. Related articles How do I terminate/cancel my SIM card contract? How do I check my data usage? (travel SIM/WiFi) Can I use VoIP apps? e.g. Skype, LINE, Whatsapp,... Comments 0 comments Please sign in to leave a comment.