Install ZenFone Max Firmware 13.8.26.92 Update [ZC550KL] [WW SKU]May 31, 2017 By Asif Leave a Comment Filed Under: Android, FirmwareYou can now download and install firmware version 13.8.26.92 on your Asus ZenFone Max (ZC550KL) handset with WW SKU using the official link and updating instructions provided here. [Read more…]