Generally, this kind of problem will occur when updating software on mobile phones, which is mainly caused by the different places where the software is downloaded, but as long as the software with inconsistent signatures is deleted when updating, it can be installed!
Oppo recharge is not normal
Hello, if this happens suddenly when you recharge oppo to remind you that the recharge is abnormal, it may be that the network or signal in your place is not very good, which will lead to this recharge abnormality, or your balance is insufficient, or your account has been stolen recently, etc., but he won't, he will get this recharge abnormality reminder, so I suggest you check it out, or rule out the above methods and have a look.
Excluding this situation, if the recharge is still abnormal, I suggest you make an enthusiastic call to the official customer service, then contact and have a look, and then how to solve this problem?