Why can’t bubbles appear on OPPO phones?

I hope that OPPO mobile phones can be played bubblingly. It cannot only be played with domestically produced phones. Like us old players, we cannot play with phones after changing our phones. What is this called grace? My mobile phone is an OPPO A520. If it fails to play, we will lose information. Also, this time it is changed to a new version. It is very stuck when playing, and it is also very troublesome. Many people have opinions.