jaydee 0 Report post Posted September 29, 2016 Is there a downgrade firmware option for the epson xp 635? i would like to load compatible ink cartridges which are out there specifically for use with the xp 635. Share this post Link to post Share on other sites
John_Admin 388 Report post Posted October 1, 2016 XP-635 Firmware Downgrade is supported by WIC now. Use latest WIC version V5.0.30 and higher Share this post Link to post Share on other sites