PadFone2 Firmware: V220.127.116.11 Only for WWE SKU (Android 4.4)
Steps of Update:
1. Check SW version of your PadFone2*
2. Download PadFone Firmware: V18.104.22.168 Only for WWE SKU and Update version of SOP (From “Manual” Item)
※Firmware update cannot do *SKU conversion* and downgrade version.
Wrong SKU may cause update failure, You can only update your SW version on the Same SKU
*How to check SW version of your PadFone2?
Path: [Settings]-->[About PadFone]-->Build number
Example: You should be able to see the build number TW_PadFone-11.X.X.X, where “TW” means SKU.
PS: Due to this Android 4.4 upgrade would reset your device, please do refer the upgrade SOP to backup your personal data.