Update is usually meant to optimize the system's compatibility and stability for the new released phone. It can optimize the existing problems or system bugs. Some updates will add new features or adjust the current design to optimize the operating experience. The update will not reduce the performance of the phone, nor will it delete the original data in the phone. So we suggest you update your phone to the latest version.

1. Enter *#*#001#*#* on the dial pad, find is root=. If is root=1, you need to flash the firmware to recover the system, then you can install it normally;

2. If is_root=0, follow these steps for a try:

a. Change another network or connect to the more stable Wi-Fi, then download & install the update for a try.

b. Clear the data of Download manager and System update.

If it still exists, please seek help from our service center.

Update is usually meant to optimize the system compatibility and stability for the new released phone. It can optimize the existing problems or system bugs. As the system of your phone is better optimized, the updates will get slow. Your understanding is highly appreciated.

Update is usually meant to optimize the system's compatibility and stability for the new released phone. It can optimize the existing problems or system bugs. Some updates will add new features or adjust the current design to optimize the operating experience. The update will not reduce the performance of the phone, nor will it delete the original data in the phone. You don`t have to install the system update, however, considering above situations, we suggest you update your phone to the latest version.

Vivo phones with Android O and higher version support Project Treble.

Warmly Tips: V7 & V7+ do not support Project Treble.

We are so happy to tell you that V11 Pro, V11, NEX, X21, V9 Pro, V9, V9 Youth will be updated to Funtouch OS 9.0 based on Android P. However, there is no specific date information currently. Please stay tuned to our social media channels for hot news. Highly appreciate your support and patience. 

Please don`t worry, here are some helpful methods for you:

1. Reboot your phone, then try again;

2. Clear the data of Download manager and System update;

3. Change another stable network, then try again;

4. Access Settings>More settings>Backup & Reset>Restore(Reset) all settings. Don`t worry, no data or media will be deleted.

If above measures are not effective, please feel free to contact us.

Please don`t worry, Android security patch comes along with the system update. When pushing the new update, we will update your device`s Android security patch simultaneously.

Please don`t worry, you can follow these steps to solve it:

1. Clear the data of Download manager and System update;
2. Change other network or connect to the more stable Wi-Fi, then download system update for a try;
3. Access to Settings>More settings>Backup & Reset>Restore(Reset) all settings. Don`t worry, no data or media will be deleted.

If above measures are not effective, please feel free to contact us.

Security patch refers to the supporting data in order to fix or improve it. It comprises of fixing security vulnerabilities as well as other bugs. Like the data that has received the paramount differences, security also received the same importance. While a security patch is implemented in an android device, it makes the security part faster, but what it looks for the permission for location, using camera, etc.