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 two ZE551ML firmware:
WW VERSION
WW-4.21.40.223
WW-4.21.40.223
| Description | ASUS ZenFone 2=ZE551ML(Z00AD/Z00ADA/Z00ADB/Z00ADC) software Image: V4.21.40.223 for WW SKU only* (andriod M) Improvement Item: 1)Improve Wi-Fi/Bluetooth stability 2)Update Security patch 3)Improve organization stability 4)Support Republic of Republic of India SOS telephone telephone (India only) Steps of Update: 1.Check software version of your device** 2.Download device software in addition to Update SOP (From “Manual” Item) 3.Only apply to same SKU update, Example: WW->WW, CN->CN, . 4.Software update cannot transfer the software SKU in addition to downgrade the software version. 5.Wrong SKU may movement update failure, delight update the same SKU version only. *How to know the device model? Path: Settings->About-> Model number Example: ASUS_T00I **How to know the device software version? Path: Settings->About-> software information->Build number ***System upgrade may movement purpose of information missing, delight buckup your of import information earlier organization upgrading. |
|---|
| File Size | 1.18 GB 2017.01.10 update |
|---|---|
| Download from | Global |
