Asus ZenFone 4 (ZE554KL) official firmware update

By | April 16, 2021

Download ASUS Zenfone 4 (ZE554KL) official stock firmware from the link here, and follow the provided flashing instructions to learn how to flash the stock ROM.

If you notice that any of the links provided below is broken or doesn’t work, please post in comments section so we fix and update it ASAP.

Asus ZenFone 4 (ZE554KL) (ASUS_Z01KD*)

Download ZenFone 4 (ZE554KL) (ASUS_Z01KD*) firmware

Build number Link Size Desc. Release Date
WW-16.0620.1912.23 Download 1.75 GB Upgrade to Android 9.0 (Pie) 2020/02/25
WW-15.0610.1905.28 (ZE554K_P_downgrade_to_O) Download 2.27 GB Downgrade from Android P to Android 8 Oreo 2020/02/25
WW-15.0610.1909.39 Download 2.27 GB Android 8.0 (Oreo) 2019/09/27
JP_15.0405.1806.116 Download 2.19 GB Android 8.0 (Oreo) 2018/07/19
TIM_15.0405.1806.116 Download 2.19 GB Android 8.0 (Oreo) 2018/07/19
OP_SG_15.0405.1806.116 Download 2.19 GB Android 8.0 (Oreo) 2018/07/19
WIND_15.0405.1806.116 Download 2.19 GB Android 8.0 (Oreo) 2018/07/17
VF_IT_15.0405.1806.116 Download 2.19 GB Android 8.0 (Oreo) 2018/07/17

How to flash

  1. Extract the .RAW firmware from the downloaded zip package to device’ microSD card, in the root directory.
  2. Disconnect any USB cables connected.
  3. Reboot the device to recovery by pressing BOTH Power_On + Volume_Up (Hold).
  4. The logo “No USB connected” will show up,
  5. Press BOTH Volume_Down + Volume_Up.
  6. Select the option “SD DOWNLOAD”.
  7. Wait for flashing process to begin and complete
  8. Reboot.

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