1, check whether the power is sufficient. You can use the original charger and data cable to charge for more than half an hour, and then try to turn it on;
2. If the key is stuck, damaged or liquid enters, please take the equipment to vivo customer service center for further maintenance.
The phone is on but I can't get into the desktop:
First, you can try to restart the device to resume use.
1, press and hold the phone power button to pop up the "restart" option to turn it off;
2. Slide down the top of the mobile phone screen twice to bring up the shortcut bar details page/slide up the bottom of the screen to enter the control center, and click the "shutdown/restart" switch;
3. forcibly restart the phone; (Mobile phone crashes or the card is recommended immediately)
① ① models of funtouch OS 3.2 and subsequent systems: press and hold the "power button" and "volume down button" at the same time 10 second or more;
② Press and hold the top round key 10 second or more to forcibly restart the mobile phone (NEX 3/NEX 3S is applicable);
③ System model before ③Funtouch OS 3.2: Press and hold the "power button" for more than 12 seconds.
2. Try to repair the system by "System Repair Mode", as shown below:
Step 1: When the mobile phone is turned off or restarted, press and hold the "power button" and "volume up button" for 3~ 10 seconds, and the screen will light up. Release the button until the word FASTBOOT appears on the screen.
Step 2: Press the volume button to move the cursor to "Enter Recovery", and press the power button to confirm entry until the word "Restore" appears on the screen. At this point, the device has entered the recovery mode;
Step 3: Select "Install System Software" in the recovery mode interface, and then select "Update the latest version by networking" according to the prompt to repair the system.
The phone vibrates when it is turned on, but the screen is not bright: when the power button is pressed to turn it on or forcibly restarted, the phone vibrates, but the screen does not display the picture, and the screen is still black. It is more likely that there is something wrong with the screen. Please bring your mobile phone, charger set and purchase voucher to the vivo customer service center for testing, enter the official website service outlet of vivo-mine-and select provinces and cities to inquire the address and contact information of the local service center. You can also click: the address of the web page link search service center. It is suggested to call the customer service center in advance to confirm the relevant matters and know that the working time is coming, so as not to delay precious time.
If you still have more doubts, you can enter vivo official website-My-Online Customer Service-Enter labor and consult online customer service feedback.