Why can't I update the firmware via FTP on the USG Flex H model?
Zyxel_Jeff
Posts: 1,338 
Zyxel Employee
Zyxel Employee
Question :
Why can't I update the firmware via FTP on the USG Flex H model?
Answer :
The possible reason is that the system is experiencing insufficient memory (as shown in the warning message below).
552-Insufficient memory for firmware upgrade!!
552 Please reboot the device first, then perform the firmware upgrade.
Please reboot the device and try updating the firmware again. After the reboot, the user was able to successfully update the firmware via FTP.
0
Categories
- All Categories
- 435 Beta Program
- 2.7K Nebula
- 180 Nebula Ideas
- 120 Nebula Status and Incidents
- 6.1K Security
- 437 USG FLEX H Series
- 299 Security Ideas
- 1.6K Switch
- 80 Switch Ideas
- 1.2K Wireless
- 44 Wireless Ideas
- 6.7K Consumer Product
- 276 Service & License
- 431 News and Release
- 88 Security Advisories
- 31 Education Center
- 10 [Campaign] Zyxel Network Detective
- 4.2K FAQ
- 34 Documents
- 34 Nebula Monthly Express
- 83 About Community
- 91 Security Highlight