ASUS Zenfone Zoom ZX551ML Stock ROM

 

How to OTA update ? (Go to settings>About>System Update>Check for Update)
How to update Manual ? Place to Internal Storage>Restart>Click Update
How to update via ADB sideload ? Here 

 

ZENFONE ZOOM ZX551ML firmware: 
WW VERSION
Version WW_V2.23.40.38(WW) 
 

Description	ASUS ZenFone Zoom (ZX551ML) Software Image Version: WW_V2.23.40.38 For WW SKU only*

File Size	1.02 GB
Download from	Global

ZENFONE ZOOM ZX551ML Kernel: 
ZenFone Zoom (ZX551ML) Kernel Code (V2.23.40)

File Size	118MB
Download from	Global