How to upgrade the backgammon X3 system, what to do if there is a problem with the backgammon X3 sys

There are two ways to self-service upgrade of mobile phone: (1) You can upgrade through wifi**: enter Settings - > General - > System Upgrade - >Check for updates immediately-, according to the prompts**Upgrade package, click Verify and install, and the phone will restart and automatically enter the upgrade mode.

On the computer** After the program is installed, open the vivo assistant, connect the phone to the computer, after the tool detects the mobile phone, it will access the server, 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. BBK vivo team will serve you wholeheartedly, if you have any questions, you can ask us at any time. Have a great day. Beg.

How to upgrade your phone's system:

1. Use the system update function that comes with the phone.

In the Android phone's settings - about the phone, you can see the current Android phone's system version, and there is also an automatic detection and update system function.

This is the system update function that comes with Android mobile phones, and its updates are mainly provided by mobile phone manufacturers, but using this function to upgrade the system requires a lot of upgrade files, so it is recommended to do it in a wifi environment.

PS: The system update function that comes with the mobile phone is only more practical for some brand mobile phones, usually the upgrade function that comes with many brand mobile phones can be upgraded very slowly, and it is impossible to update to the latest Android system version, so it is generally not recommended to upgrade in this way.

Generally, the official website of the mobile phone manufacturer will update some system file packages for users to upgrade, you can enter the official website of the mobile phone brand**center, and then according to the mobile phone brand model, **the latest system update upgrade package**stored in the mobile phone SD card.

Then go to your phone's settings, then select "About Phone" and finally find the "System Update" option, after which you will choose "Memory Card Upgrade".

Hello! a. It can be turned on normally

Enter this friend's link, click "Service" - search for your mobile phone model in the search box, then select the model, click on the resource**-firmware upgrade for the full (ROM) package.

This is the tutorial, you can take a look. Firmware Upgrade Instructions:

Before the firmware upgrade, it is recommended that you back up your phone data in case of data loss.

b. Can't start normally:

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

2. When the phone is turned off, press and hold the volume up button and the power button at the same time for 3 to 4 seconds, after the vivo phone logo appears, let go of the button to enter recovery mode, and select Reboot System Now to restart the phone immediately after completion.

3. Press and hold the volume up button and the power button at the same time for 3 to 4 seconds when the phone appears vivo phone logo, release the button to enter recovery mode, first select wipe data factory reset, select wipe cache partition after completing the waiting interface jump, and select reboot system now after completing the year beam. Doing this will result in the loss of all data on your phone (except for the data on your TF card), including installed apps, books, text messages, etc.

If the above methods can not be turned on, it is recommended that you go to the local after-sales service center to deal with it, there will be relevant personnel to deal with it for you, please rest assured, you can check the after-sales service center address in vivo official**.

This method is generally used when the system is so chaotic that it can't be turned on:

After powering off, press and hold the call button, the number 3 button, and the * button at the same time, and then press power on. Don't let go, at this point the phone has already started to format (some older models will have an English waiting note when the grid is displayed). Press one piece, don't let go of one, and wait for the phone to automatically turn on and ask for the input time to complete the grid.

This formatting is more thorough and does not cause invalid formatting.

Other: Turn off and press the * + power on button, and start the grid without any prompt.

Precautions: Sufficient power must be guaranteed when formatting, and generally it should be operated under full power. It's a good idea to uninstall all the software and see if you get any similar "system errors".

If there are no similar "system errors", then proceed to the grid. Do not attempt to shut down the machine during the grid, do not plug in the charger, etc. Also, try to give priority to the soft grid.

The software part that was originally installed on the expansion card will be affected, so under normal circumstances, the important data of the expansion card will be backed up and then formatted, and all the programs saved in the E disk will be reinstalled after the format of the mobile phone is completed.

In short, the most thorough formatting steps are: uninstall all the programs that can be uninstalled in the program management Remove the extension card Check if there is a system error Format the phone Install the expansion card Format the expansion card (the phone at this time is the purest basic system) Install the programs that need to be installed Restore contacts Complete.

Remember to back up your data before hard boxing.

After the phone is turned off, press the power button and the volume button at the same time, and select the factory reset to the line, no need to flash the phone.

Hello! You can try the phone Shuangqing, but the things saved in the phone's memory will be deleted, this is the operation method: the phone is turned off and press and hold the volume up button and the power button for 3 to 4 secondsAfter the vivo phone logo appears on the phone, let go of the button to enter the recovery mode, first select Wipe Data Factory Reset, select Wipe Cache Partition after completing the waiting interface jump, and select Reboot after completion System Now can restart the phone immediately, this operation will lose all the data on the phone.