 Version CHT_6.6.3 (Downgrade Version) |
| Description | ASUS ZenFone 4(A400CG) downgrade SOP (Downgrade from L to KK), V9.9.9.0 Only for CHT SKU* Notice: 1. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW. 2. Software update cannot transfer the software SKU and downgrade the software version. 3. Downgrade image will only revert back to latest KK version 4. After OTA downgrade, device will perform factory reset automatically.then reboot automatically to complete upgrade process 5. System upgrade may cause part of data missing, please buckup your important data before system upgrade Downgrade Step (From L to KK) 1. Download the downgrade tool: UL-ASUS_T00I-WW-9.9.9.0-user.zip 2. Using MTP connecting A400L with PC. (Enable MTP: Setting–>Storage–>press the USB icon on right corner–> Enable MTP) 3. Copy the tool (V9.9.9.0) to the A400CG internal storage. 4. Remove the USB cable, the device will pops up the system upgrade information. 5. After downgraded, device will auto reboot and perform factory reset. 6. After finished, please go to Settings->About-> software information->Build number. The version should be V6.6.3 |
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| Version CHT_7.3.3 (Android L) |
| Description | ASUS ZenFone4(T00I) software Image: V7.3.3 (Android L) for CHT only* Note1: Please make sure update software version V6.6.3 first before update to software version V7.3.3 Note2: Download the OTA file and put the file to the device root directory directly. Please note! The listed apps below will be removed once the Android 5.0 Lollipop upgrade is complete. 1. battery Widget 2. Google Text-To-Speech 3. Movie Studio Please notice that below new apps will be added in this system upgrade. 1. CleanMaster 2. ASUS Auto-start Service Manager: Prevent unwanted apps from automatically starting up and using RAM Stop services immediately and prevent Android from restarting these apps again 3. ASUS Support Add Assistance in ASUS Help Support bug reporting mechanism? Enable Push notification service Add unread count badge Add new item reminders for articles Support Google Analytics mechanism Please notice that some feature changes in this system upgrade. 1.Lockscreen: remove standalone wallpaper & weather info 2. Dialer/Contacts: reduce tab count from 5 to 3; remove group tab name/photo 3. InCall screen: remove inCall animation & cover 4. Quick settings/Recent app layout change Steps of Update: 1.Check software version of your device** 2.Download device software and Update SOP (From “Manual” Item) 3.Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW. 4.Software update cannot transfer the software SKU and downgrade the software version. 5.Wrong SKU may cause update failure, please 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 cause part of data missing, please buckup your important data before system upgrading. |
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