iOS cross save to main account not working

Hi Tenno, we are not currently aware of any issues impacting the ability to set up Cross Platform Save. 

Please head to this web page to get started! It is recommended to do this on web (laptop or PC) as opposed to mobile. https://www.warframe.com/news/cross-platform-save 

If you still cannot manage to set up Cross Platform Save, please write a support ticket to our Customer Service team at support.warframe.com !