If it's a chapter where ASUS manages to outrun other manufacturers in the smartphone market, then that is the software support. The company has accustomed users with two or even three important software upgrades during a device's "life" on the market, and the ZenFone 5 line is about to switch to the new Android 9.0 Pie. Obviously, the first in line is its flagship model, the ZenFone 5Z.