Why can't vivo S9 perform system upgrade?

Why can’t vivoS9 upgrade the system

There are two ways to upgrade vivo s9:

1. Upgrade online via wifi: Go to Settings->General->System Upgrade->Check for updates now-, download the upgrade package according to the prompts, click Verify and install, the phone will restart and automatically enter upgrade mode.

2. Use vivo assistant to upgrade: Open vivo assistant, connect the phone to the computer, after the tool detects the phone, it will access the server. When new software is detected on the server, the word "new" will be displayed on the "phone upgrade" button , click this button and follow the prompts to upgrade.

3. Failure to upgrade may be due to improper operation of the above two methods.

BBK vivo S9, main screen parameters Main screen size: 4.5 inches, main screen material: IPS, main screen color: 16 million pixels, main screen touch screen: capacitive screen main screen, multi-touch: supported, light sensor :support.

References

zol Q&A.zol Q&A [Quotation time 2017-12-27]

Why can’t the system of vivo mobile phone be upgraded?

1. You can enter: *#*#001#*#* through the dial-up interface to check the NV parameters. is_root=0 means there is no ROOT, and is_root=1 means it is ROOT.

2. If the phone is rooted and the system program is modified, the online upgrade cannot be successful.

3. Mobile phone upgrade method:

1. Upgrade online directly through the phone settings. Settings-System Upgrade-Check for updates now and follow the prompts to download and install the upgrade package. You can only upgrade from a lower version to a higher version. Since the installation package is generally large, it is recommended that you upgrade in a WIFI environment to avoid wasting traffic.

2. Upgrade through vivo assistant. Just connect your phone to the vivo assistant. When a new version is available, there will be a new icon in the upper right corner of the upgrade button. Click on upgrade and follow the prompts to complete the upgrade operation.

3. Send it to the after-sales service center for upgrade.

Attachment: After-sales service center inquiry method:

(1) Query it in Settings--More Settings--After-sales Service menu;

(2) You can enter the vivo official website homepage--Service--Network Inquiry--to make inquiries;

(3) You can follow our "vivo smartphone" official account through WeChat, enter the official account and click on the service in the lower right corner - select an after-sales service outlet - to make inquiries.

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