How to flash the firmware?
How to register Vivo account on my Chinese phone?
How to find my phone?
How to switch from Jovi to Google Assistant on my Chinese phone?
How to transfer data from my old phone to new phone?
How to avoid my phone overheat?
What are the differences between V11 & V11i?
How to make my phone last for longer time?
How to improve the success rate of In-Display Fingerprint?
What are the main specifications and features of NEX Dual Display Edition?