This is the FirmwareUpgrade screen from the Asus RT-AC66U router.
The following words were detected on the Asus RT-AC66U FirmwareUpgrade screenshot.
ASUS Wireless Router RT-AC66U - Firmware Upgrade Firmware is upgrading. Please wait about 3 minutes. Do not power off RT-AC66U while upgrade in progress. Please wait, Applying Settings... Administration - Firmware Upgrade Note: The latest firmware version include updates on the previous version. For a configuration parameter existing both in the old and new firmware, its setting will be kept during the upgrade process. In case the upgrade process fails, RT-AC66U enters the emergency mode automatically. The LED signals at the front of RT-AC66U will indicate such a situation. Use the Firmware Restoration utility on the CD to do system recovery. Get the latest firmware version from ASUS Support site at http://www.asus.com/support/ Firmware Version Product ID RT-AC66U Signature Version Firmware Version     Get Beta Firmware Check New Firmware File Auto Upgrade Setting Instal Newer Ofiicial Firmware Automatically Day To Install Sun Mon Tue Wed Thu Fri Sat Time To Install :