I can t turn on the backgammon Y11 system after the upgrade, what s the solution

It is recommended that you try the following methods to see if it can be turned on:

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

2.You can try charging for 20 minutes, then press and hold the power button for 10 seconds to see if it can turn on (the phone is completely out of power and recharged without any prompt).

3.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 on the phone, let go of 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 to restart the phone immediately after completion. (Doing this will lose all the data on your phone (except the data on the TF card), including installed apps, **books, text messages, etc.) When there is a serious abnormality in the mobile phone and there is no other way to solve it, use this item with caution.

If the above methods still can't be turned on, it is recommended that you take your mobile phone to the local after-sales service for testing and processing, and the after-sales technicians will handle it for you. You can go to vivo official ** to check the address of the after-sales service center:

BBK vivo Y11 can't turn on the solution:

1: Check your phone battery.

The reaction when the phone is turned on proves that the battery is still working, and in addition to the aging of the battery and water ingress, the battery problem can be ruled out. If the battery is aging, you can try it with the same type of battery, and if it can be turned on normally, then replace it with a battery; If it is water, turn on the device when the water has not yet dried, it will cause a short circuit in the battery, and the phone will only run for a while, and the battery will be damaged due to a short circuit, you can wait for a day or two for the phone to completely dry and change the battery.

2: Check your phone screen.

Under the destruction of external forces, the screen fails, especially some mobile phones themselves are soldered, which is particularly prone to "fake not booting" caused by the screen. Although only a slight fall, but the mobile phone screen is no longer responsive due to the disconnection of the line, this time you can tap the mobile phone, a few more shots, if the mobile phone screen will flash from time to time, this proves that the mobile phone is only a problem with a certain line, you can find the broken solder joint after disassembling the machine and re-weld it, or go to the maintenance point for maintenance. Especially when the phone vibrates and sounds normally when it is turned on, but the screen does not respond.

This is especially the case for consideration.

3: Check whether you can enter recovery, consider flashing.

Both of the upper curves are hardware problems, but the phone can't be turned on completely normally, because there are many software or system problems. If the phone is just stuck in the logo screen or booted into the world socks can not be operated, then check whether the phone can enter recovery, press and hold the power button + volume down key, if the phone enters the following screen, and can move the cursor by moving the volume + and - keys of the mobile phone, then the mobile phone can be solved by flashing.

1. It is recommended to press and hold the power button for ten seconds to force restart the phone;

2. You can try to charge it for 20 minutes and then press and hold the power button for 10 seconds to see if it can be turned on (there is no prompt for recharging the phone when it is completely out of power).

3. You can try the double clear of the mobile phone, but the things saved in the memory of the mobile phone will be deleted, this is the operation method: the mobile phone is turned off and the volume up button and the power button are held at the same time 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 will do the trick by restarting the phone immediately, and you will lose all the data on your phone.

4. If it doesn't work, you can go to the local after-sales service center for testing and processing, and the address of the after-sales service center can enter the home page of the vivo official website - service - network query - for inquiry.

Hello, you pull out the battery to restart the try, if it still can't be turned on, it is recommended that you bring your mobile phone to the after-sales testing process. The after-sales address can be found on the official website.

Please press and hold the power button for more than 10 seconds to force restart and try, and then charge for 20 minutes to try whether it can turn on, if it still doesn't work, it is recommended that you try Shuangqing, you can press and hold the volume up button + power button at the same time, wait for the word vivo to appear on the phone, let go of the power button, continue to press and hold the volume up button until the robot interface appears, select wipe data factory reset and then press the power button, and wait for the interface to jump, and then select reboot system now to restart the phone. Doing this will result in the loss of all the data on your phone, including installed apps, books, text messages, etc. If it still doesn't work, please also take your mobile phone to our after-sales service center to deal with it, the address of the after-sales service center and ** can enter the home page of vivo official website - service - network query - inquiry.

Reasons and solutions for mobile phone not turning on:

1. Look at the abnormal boot line: use an external power supply to supply power to the mobile phone, and use the electric meter to detect and see if there is a signal.

If there is no change, it is likely that the boot cord is broken or the boot button is not in good contact.

2. The power supply circuit of the battery is abnormal: use the external interface to supply power to the mobile phone, and see if it is restored when it is turned on.

Normal, if it is normal, it is determined that the power supply circuit of the mobile phone is abnormal.

3. The IC of the mobile phone power supply is abnormal: the test point of the peripheral circuit of the power supply IC is advanced according to the schematic diagram of the circuit.

Perform the test to see if the test value is normal.

4. The system clock and reset of the mobile phone are abnormal: you can use dual total oscilloscopes to power the CPU of the mobile phone.

line detection to see if the waveform in the reset is correct.

5. Problems with logic circuits: that is, faults in the circuit version of mobile phones, which can generally be solved by repair welding.

Resolve this issue.

6. Software conflict: The installed software does not match the system of the mobile phone, which may also cause the mobile phone to fail to boot.

In addition, you can connect your phone to a computer to delete the program.

According to your description, you can try it by following the instructions below

1. Put the phone at the socket to charge it for a while, then press and hold the power button for 10 seconds to restart the operation.

2. Buckle the back cover of the mobile phone battery, take out the battery and reinstall it, and then press and hold the power button to restart the operation.

3. Press and hold the lock screen button and the volume plus key at the same time in the shutdown state, release the lock screen button when the vivo interface appears for the first time and continue to press and hold the volume plus key until you enter recovery mode, first select wipe data factory reset to erase all data and restore factory settings; wipe cache partition clears the cache. Wait for the interface to jump, and then select Reboot

System Now restarts your phone. If the above methods still can't be turned on, it is recommended to take the mobile phone to the after-sales service center for testing and processing, and there will be relevant personnel to deal with it for you after the sale.