Download ZenFone 2 Laser 21.40.1220.1615 Marshmallow Firmware [ZE550KL/ZE551KL]

Official Marshmallow update is available for two variants of Asus ZenFone 2 Laser (ZE550KL & ZE551KL), tagged with version number 21.40.1220.1615.

Firmware Details

1. ZE550ML

• Device: Asus ZenFone 2 Laser (Z00L)
• Model: ZE550ML
• Android: v6.0 Marshmallow
• Firmware: 21.40.1220.1615
• Previous Version: 1.17.40.1531
• SKU: WW
• Region: Global
• Release Date: 1.07.2016
• Status: Official
• Type: Full OTA package
• Availability: OTA + Manual download
• File Name: UL-Z00L-WW-21.40.1220.1615-user.zip

Download Link: Official Mirror | Size: 1.62 GB

2. ZE551ML

• Device: Asus ZenFone 2 Laser (Z00T)
• Model: ZE551ML
• Android: v6.0 Marshmallow
• Firmware: 21.40.1220.1615
• Previous Version: 1.17.40.1531
• SKU: WW
• Region: Global
• Release Date: 1.07.2016
• Status: Official
• Type: Full OTA package
• Availability: OTA + Manual download
• File Name: UL-Z00T-WW-21.40.1220.1615-user.zip

Download Link: Official Mirror | Size: 1.63 GB

To install this firmware, simply download the appropriate Zip package and copy it to the main folder of the internal memory of your device. After that, unplug the USB cable, tap the update notification and confirm the installation.

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