ASUS - Get the sweet taste of Marshmallow with the Android 6.0 update for the ZenFone 2 Laser 5.5 (ZE550KL), ZenFone 2 Laser 5.5s (ZE550KL) and ZenFone Max (ZC550KL). Get them here:
Asus Zenfone2 laser aggiornamento manuale ad Android 6 Marshmallow - Guide
How to Easily Master Format ASUS ZENFONE 2 LASER ZE500KL / ZE500KG / ZE550KL / ZE601KL / ZE550KG with Safety Hard Reset? - Hard Reset & Factory Default Community
Asus Zenfone 2 Laser ZE550KL Review- Cons and Pros - Tech2Touch