Asus Zenfone 5 Firmware V2.20.40.9 | Fix Contact Error

Improvement:

• Fix Contact Error 

• Addition of back up applications 

Steps of Update:

• Check software version of your device** 

• Download device software and Update SOP (From “Manual” Item) 
• Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW. 
• Software update cannot transfer the software SKU and downgrade the software version. 

• Wrong SKU may cause update failure, please update the same SKU version only. 

How to update the firmware on Asus Zenfone 5 Before you update to V2.20.40.9 you should update to V2.20.40.8 first.

How to OTA update on Asus Zenfone 5 ? Path: Settings>About>System Update>Check for

Update How to update via ADB sideload ? Tutorial Here

How to update Manual ? Download the firmware below and then rename -

1. TW = UL-ASUS_T00F-TW-2.20.40.9-user.zip - 
2. WW = UL-ASUS_T00F-WW-2.20.40.9-user.zip - 
3. CHT = UL-ASUS_T00F-CHT-2.20.40.9-user.zip 
4. Move the file to Internal Storage. 
5. Restart your Zenfone, you will see a notification and press it. 
6. When you see the "System upgrade available" message, and then press OK button. 
7. And then the system will run the updating process automatically. 

Asus Zenfone 5 Firmware V2.20.40.9

Versi V2.20.40.9 (WW)
Versi V2.20.40.9 (TW)
Versi V2.20.40.9 (CHT)