“My photos are not uploading it’s showing a error: My iCloud is not working and my photos are not uploading and my software is updating with ios26.1“
———-
Wait for the update to complete.  See if the upload continues.
Troubleshooting iCloud Photos After an Update:
Four Tactics to Try:
A. Start with a Restart: Restart your iPhone - Apple Support
B. Perform a New iCloud Session:
Sign out of iCloud on your iPhone, and then sign back in.  Perhaps this all needs to sync?
C. Use this Link: If you're Missing Photos or Videos in the Photos app - Apple Support
D. Check iCloud Directly:
See if they reside in iCloud Photos. Log in here: https://www.icloud.com/photos