REFERENCE Download ZenFone Zoom 4.21.40.74 Marshmallow Firmware

[jeff3]

Download ZenFone Zoom 4.21.40.74 Marshmallow Firmware



Firmware Details

• Device: Asus ZenFone Zoom (Z00A)
• Model: ZX551ML
• Android: v6.0 Marshmallow
• Firmware: 4.21.40.74
• Previous Build: 2.26.40.108
• Region: Global
• SKU: WW
• Release Date: 1.07.2016
• Status: Official
• Type: Full OTA Package
• File Name: UL-Z00A-WW-4.21.40.74-user.zip

Download Link: Official Mirror (Asus) | Size: 1.15 GB


Update Instructions

1. Download the firmware package from above to your PC (don’t extract it).
2. Transfer it to the main directory of your phone’s internal storage.
3. Monitor the progress of the transfer and disconnect the USB cable upon completion.
4. An update notification will appear in the notification bar.
5. Tap the notification and then follow on-screen instructions to complete the upgrade.

 

[rogie333]

404 - Not Found​