Asus Zenfone 2 ZE551ML and ZE550ML getting Marshmallow update
The Zenfone 2 Laser ZE500KL and Zenfone Max ZC550KL lead the way for Marshmallow updates for the Asus’ 2015 lineup and now the Zenfone 2 ZE551ML and ZE550ML are catching up. The Android 6.zero Marshmallow update is rolling out over-the-air.