Asus launched Zenfone 5Z with all the high-end features and specs. The device was launched with a very budget-friendly price tag which creates loads of hype and many users bought the device due to this. As there is a very big user base this device has, Asus has been providing regular software support to the device. WW-220.127.116.11 update which is a hotfix update has been rolling out for ZenFone 5ZZ in some regions. The update is only for the model ( ZS620KL / ZS621K). The update is based on Android 9.0 Pie
The Update fixes SIM card cannot be detected in multiple time zones issue. The update brings the latest security patch to the device. The Update also carries some major bug fixes to improve security and user experience. It also improves Camera EIS. It is now rolling out as a FOTA (Firmware-Over-the-air) Update. The available full firmware file name is UL-Z01R-WW-18.104.22.168-user.zip and it is around 1.71 GB in size.
About ZenFone 5 WW-22.214.171.124 Update
The OTA has been rolled out in some regions and only available for ZenFone 5 ZS620KL / ZS621K users. This update comes with anew security patch. The update comes with build number 16.0611.1901.1. If you are using the device then you may have received the OTA update notification on your device if not then wait for few days for the update to come or you can download the full firmware (FOTA) file and install it manually by following the guide given below.
- Device Name: ZenFone 5
- Model: ZS620KL / ZS621K
- Region: Unknown
- Android version: Android 9.0 Pie
- UI: ZenUI 5.0
We at rootmygalaxy.net will not be responsible for any damage that might occur to your device in case something goes wrong. So, proceed at your own risk. Make sure you are following the guide properly.
- First, go to Settings>About>System Update> Check for Update. Check if the OTA is available or not. If available take the update. Else, follow the following steps.
- This method is applicable only for ZenFone 5Z (ZE520KL) For WW SKU.
- Take a full backup of data because everything will be erased in the process.
- Make sure that the battery has at least 60% charge to prevent accidental shut down.
- Make sure there is at least 2GB of free space available on your device.
Download FOTA Update
- Download ZenFone 5Z 16.0611.1901.1 Full Firmware (Official download link)
How to Install ZenFone 5Z WW-126.96.36.199 Update (Manual Guide)
Step 1. Download the files from the download section and rename it as update.zip and transfer to your SDcard.
Step 2. Turn off your smartphone and boot into recovery mode by pressing Power + Volume Up buttons together.
Step 3. Once in the recovery mode, select the option ‘Apply update from SDcard’.
Step 4. Then browse and select update.zip file that you transferred.
It will take some time and then reboot the phone.
Step 1. Enable USB Debugging mode from Settings> Developer Options. To enable Developer Options, you have to go to Settings> About Phone and tap on the Build Number 7 times continuously.
Step 2. Download ADB and Fastboot driver for your Windows or Download ADB and Fastboot driver for your Mac and install it.
Step 3. Download the Full firmware and rename it to update.zip and copy it to the ADB folder.
Step 4. Turn off your phone and boot into recovery boot by pressing Power + Volume up buttons simultaneously.
Step 5. Choose the option “Apply update from ADB’ and connect your device to your computer.
Step 6. Go inside ADB folder on your computer, press shift and right-click to open the command prompt. Type the following command –
This should list your device and ensure it is connected.
Step 7. Type the following to flash the OREO firmware –
adb sideload update.zip
Wait for the process to complete and then disconnect and reboot your device.
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