Unable to open .lfpackage files on iPad Pro M4

Presumably you refer to a LumaFusion Project Package file - and you have installed the LumaFusion App on your iPad.

If you are experiencing difficulties with the LumaFusion App or associated resources, you would be best advised to seek assistance from LumaFusion's online Leaning & Support resources:

https://luma-touch.com/luma-fusion-for-ios/

lenhatquang wrote:

Thank you,

I have seen the link you suggested before. I also contacted Apple support. However, for more than a month, they (Apple) have not been able to explain what happened and how to solve my problem.

Luma is your contact, not Apple.

Even if the error is within Apple iOS, Luma is your contact and they can then discuss this with Apple,

When I send .lfpackage files to another device, I can still open that file (on another device). Or when I download files on Google Drive (I uploaded before) I can still open it. Before I upgraded to 26.1 I could still open it. Only from 26.2 that I can't open files anymore. In addition, I can't open PDF files. Do you have any experience with cases like this?

iOS 26.3 is current, and, again, Lumq is your contact.

If you have an add-on VPN app or add-on security apps, remoce all, restart, and try again. Remove these apps, as the app disable mechanisms seemingly don’t always extract the apps from the network stack; don’t always work.