Credit: Robert Triggs / Android AuthorityTL;DRA new rumor says that Xiaomi will launch the 18 series in September.It also suggests that OPPO is aiming for the same month for the Find X10 series.Vivo could be planning to launch the X500 series in September as well.It’s the middle of the year and there are plenty of phone launches still waiting to happen. According to a new rumor, it looks like September could be a particularly busy time for releases. We could see several brands use this month to launch their flagships.Don’t want to miss the best from Android Authority?