請以郵寄方式把原SIM 的主卡體作卡主証明，連同寫有回郵地址並貼上郵票的回郵信封，與港幣$200 劃線支票，支票抬頭註明「21Vianet Mobile Limited」，郵寄到尖沙咀郵政局郵箱編號90723。我們會於收到後10 個工作天內，以閣下附上的回郵信封寄回補發新卡。 新卡有效期將延長30天，並沿用原卡之電話號碼。
Applicable to 30 Days Vave Local Prepaid SIM
Please send the original SIM card body, as a Certificate for SIM replacement by post, along with a self-stamped return envelope and a HKD$ 200 crossed check payable to “21Vianet Mobile Limited" to PO Box 90723 Tsim Sha Tsui Post Office. Within 10 working days after receipt of the SIM replacement request, we will send the replaced SIM card back to you in your return envelope. The replaced SIM has an extended valid period of 30 days under the same number as original SIM.
For enquiries about SIM Replacement, please email to firstname.lastname@example.org