Rename your verified software to recovery.bin or gx6605s_all.bin . Place it on a FAT32-formatted USB drive.
: 2x USB 2.0 ports (often used for WiFi dongles or local media) and HDMI output up to 1080p. 2. Software Ecosystem & Verification gx6605s s18069 software verified
Go to Menu > Setting > Upgrade > USB Upgrade. Select the file and start. Rename your verified software to recovery
GX6605S S18069 Software: Verified Installation & Upgrade Guide gx6605s s18069 software verified