vivoy15t, why can t the system upgrade be upgraded?

Hello! Our system is updated from time to time, the mobile phone prompts the system to upgrade can be upgraded, if the system has a new version update, we will push it to your mobile phone in time, please also pay attention to the version update information.

Hello! What are the tips for not being able to upgrade, is your phone rooted? If yes, it is recommended that you go to the official website**firmware upgrade package to restore the mobile phone system, and the firmware upgrade address of each model**.

Instructions for firmware upgrades.

If the method given to you cannot be solved, it is recommended that you take your mobile phone to the local after-sales service to deal with it, the address of the after-sales service center, **in the settings - more settings - after-sales service menu query. You can also go to vivo official ** to check the address of the after-sales service center.

System upgrade failed:

1. Force restart the phone first, and the method of force restart:

Press and hold the "Power Button" for more than 12 seconds;

2. If you can't enter the desktop by force restarting the phone, enter the recovery mode, perform "Erase all data", and then restart the phone (this operation will erase the data in the phone). In the shutdown state, press the "Power Button" and "Volume Up Button" to enter the recovery mode.

3. If the upgrade is still not possible after Shuangqing, it is recommended to send the machine to the customer service center for processing, and the customer service center address: enter the vivo**app--my-service outlets or the web version of the vivo official website--Bottom of the slide--Service Support--Service Network Query--Select the province and city to query the customer service center address. It is recommended to contact in advance before going to the closed key, avoid empty running, plan the itinerary according to the ruler of God, and travel safely.

1. Press and hold the power button (for the full screen, you need to press and hold the "lock screen button" and "volume down button" at the same time) for 30 seconds to force restart the phone, and then upgrade again;

2. If you can't enter the desktop after restarting, press and hold the "Power Button" and "Volume + Button" to enter the recovery mode, select "Wipe Data Factory Reset" first, and then select "Reboot System Now" after the interface jumps.

vivo phone features:

1. iButler is a 5-star security software certified by the Ministry of Industry and Information Technology of the People's Republic of China;

2. The mobile phone is exquisitely made, the design is fashionable, and the theme is simple and generous;

3. Vivo has a comprehensive product line, which can meet the needs of different users, the Y series is affordable and does not lose the configuration, and the X series has high configuration and outstanding functions;

4. Equipped with Funtouch OS system based on Android in-depth development, the exquisite interface design is simple but not simple, giving you a more relaxed visual experience;

5. HIFI has a classic aftertaste, bringing you a high-quality audition experience;

6. Humanized intelligent body sense, some convenient usage methods are easily realized, bringing you a pleasant and pleasant experience of early spring.

Does it mean that the upgrade failed or that there was no system upgrade? If you refer to no system upgrade, the mobile phone system upgrade is no trace search time, the mobile phone prompts the system upgrade can be upgraded, please feel free to **** vivo official website and forum information. If the upgrade fails, we recommend that you try the following:

1. Press and hold the power button for 10 seconds to force restart the phone;

2. Press and hold the power button and the volume up button at the same time in the shutdown state until the word vivo appears and then release it, the phone will automatically enter recovery mode, and then select Clear Data - Clear All Data, this operation will lose all the data on the phone, so you can back up the phone data before this operation, including contacts, ** and so on;

If it still can't be operated, you can go to the local after-sales service center to detect and deal with it, and the address of the after-sales service center can enter the home page of the vivo official website - service - outlet inquiry - intomato inquire.

Here's how to solve the problem:

Press and hold the power button (for the full screen, you need to press and hold the "lock screen button" and "volume down button" at the same time) for 30 seconds to force restart the phone, and then upgrade again;

If you can't enter the desktop after restarting, press and hold the "Power button" and "Volume + key" at the same time to enter the recovery mode, select "Wipe Data Factory Reset", wait for the interface to jump, and then select "Reboot System Now".

Here's how to upgrade your system:

It's best not to upgrade, it's more troublesome to upgrade, and the black screen cleans up the background and is annoying!!

The following steps will teach you how to use Vivo Phone Assistant to upgrade your system:

2. After the installation of the computer version of "vivo mobile assistant" is completed, double-click to run, and connect the mobile phone to the "vivo mobile assistant" on the computer.

3. Click "My Phone" - System Upgrade on the "Vivo Phone Assistant" interface.

4. According to the prompts, first "back up data" on your phone, then click "Next", and follow the prompts to upgrade the system.

You can try the baivivo assistant upgrade first.

After installing the later version, open the vivo assistant, connect the phone to the computer, after the right tool detects the mobile phone, it will access the server, and when it detects that there is new software on the server, it will display the word "new" on the "mobile phone upgrade" button, click the button, and upgrade according to the prompts.

If you still can't upgrade, is your phone rooted? You can enter the following through the dial-up interface: * * to check the NV parameters, is root=0, which means that there is no root, and is root=1, which means that the root has passed.

You can try to restart the phone with a copy, or flash the firmware again.

System upgrade failed, solution:

1. Press and hold the power button (for the full screen, you need to press and hold the "lock screen button" and "volume down button" at the same time) for 30 seconds to force restart the phone, and then upgrade again;

2. If you can't enter the desktop after restarting, you can press and hold the "Power Button" and "Volume + Key" at the same time to enter the recovery mode, select "Wipe Data Factory Reset" first, wait for the interface to jump, and then select "Reboot System Now";

1. Try to upgrade again after changing the mobile phone network;

If you root it, it won't be successful.,If you don't have root, you can upgrade your phone with your computer.。