In our previous article, we guided you on how to fix Zenfone issues like logo hang, Bootloop, UnBrick to rescue your Zenfone when root fails or firmware flashing goes wrong. In this article, Mytour.vn will perform an Android 5.0 update for Zenfone via OTA for safer operation, avoiding the need to rescue Zenfone due to unsuccessful firmware flashing.
Guide to updating Zenfone to Android 5.0
https://Mytour.vn/update-android-50-for-zenfone-5257n.aspx
GUIDE TO UPDATE ANDROID 5.0 FOR ZENFONE
Select
System Update- System updates
Your device is checking for a new operating system version...
Note:It's best to have your device battery above 15% before deciding to update Zenfone to Android 5.0. Press OK to confirm updating to the new version...
You need to wait for Zenfone to download the Android 5.0 version to the device, then click on that downloaded file and select Update. There will be a notification Installing system update as shown in the image below.
The process of updating Zenfone to Android 5.0 takes about 10 - 15 minutes. Please be patient and wait for it. After the upgrade is complete, there will be a notification.
System update successful..
Step 3:Check if Android 5.0 has been successfully installed
To ensure that Android 5.0 update for Zenfone has been successful or not, you can go to
Settings- Settings then select
Introduction- About and then check
Android version. If it's 5.0, then it's successful.
- How to update Zenfone to Android 5.0 via firmware flashing
Step 1: Download the appropriate Android 5.0 firmware update for Zenfone
Download Android 5.0 update Firmware for Zenfone 4:Here.
Download Android 5.0 update Firmware for Zenfone 4.5: Here.
Download Android 5.0 update Firmware for Zenfone 5: Here.
Download Android 5.0 update Firmware for Zenfone 6: Here.
Step 2: Copy the downloaded Android 5.0 firmware update file to the device's internal memory.
Step 3: Then the device will prompt for device update in the status bar, select and proceed with updating Android 5.0 for Zenfone like step 2 update ANDROID 5.0 FOR ZENFONE via OTA.
Above, Mytour.vn has guided you on how to update Android 5.0 for Zenfone; during usage, checking Zenfone's IMEI may also be considered, you can refer to the check Zenfone IMEI guide that we did earlier. If you are new to Zenfone, actions like taking screenshots on ZenFone, turning on/off 3G, activating battery saver... sometimes can be challenging; to take a screenshot on ZenFone, you can press Power + Volume down simultaneously or use Tab and hold to get a screenshot.