If you use a vivo mobile phone, with the wear and oxidation of the protective shell (cover) caused by normal use of the mobile phone, the shell (cover) of the mobile phone may turn slightly yellow, so you can wipe it with a rag dipped in a small amount of alcohol. If the mobile phone case (cover) has turned yellow, it is recommended to replace it with a new one. The models under warranty can go to the service center to replace the protective case for free, and go to the after-sales outlets of vivo official website /vivo Mall APP-My- to check the address and telephone number of the service center. It is recommended to bring a valid purchase voucher and warranty card, and call before going to ensure that the protective case is in stock, so as not to waste precious time.

The conditions for obtaining a free mobile phone case are as follows:

Ordinary members can receive 1 time during the warranty period;

Silver card members can receive 2 times during the warranty period;

Gold members can receive 4 times during the warranty period.