They're not universal.
The oppoa58 and a58x phone cases are not available.
The oppoa58 and a58x phone cases are not universal, because the two phone cases are not universal, because the charging cable interface of the two phones is not the same and the number of camera positions is not the same. Therefore, it cannot be used in a match. The oppoa58 and a58x phone cases are not universal. OPPO phone cases are not all the same.