Final Thoughts:
While the Asus Zenfone 2 ZE551ML may no longer be a flagship option in the contemporary market, at its peak, it offered a commendable set of specifications that catered to a wide array of smartphone users. Its combination of solid performance, ample connectivity features, and a reasonably capable camera made it a versatile choice for those seeking a feature-rich device without breaking the bank. Although it can't compete with today's high-end standards, it remains an interesting piece of smartphone history reflecting Asus's strategic innovations at the time of its release.