The battery is dead.
If the battery of your oppo mobile phone is too low, it may lead to boot failure. It is recommended to connect the mobile phone to the charger to charge it, and then try to turn it on. If the battery is fully charged, but it still won't start, you can try to remove and reinstall the battery, and then try to start again.
system malfunction
If the oppo phone is stuck in the brand logo interface when it is turned on, it may be that the system has failed. At this time, you can try to enter the recovery mode of the mobile phone and then repair the system. The specific operation method can be found in the related tutorials of oppo official website.
hardware fault
If the oppo phone displays the brand logo when it is turned on, but it can't be turned on normally, it may be a hardware failure. At this time, it is recommended to send the mobile phone to the oppo after-sales maintenance center for maintenance.
There are many reasons why the oppo mobile phone display logo can't be opened, which need to be investigated according to the specific situation. If the above methods fail to solve the problem, it is recommended to contact oppo customer service or send the mobile phone to the after-sales maintenance center for maintenance.