Issue Description
iCloud or computer backup fails repeatedly.
Common Causes
Insufficient iCloud storage
Network instability
Corrupt backup data
Step-by-Step Solution
Step 1: Check iCloud Storage
Settings → Apple ID → iCloud → Manage Storage
Step 2: Restart iPhone
Clears backup service cache
Step 3: Backup Using Computer
Finder (Mac) or iTunes (Windows)
Step 4: Delete Old Backup and Retry
Removes corrupted backup data
Explore Further
Sign out and back into iCloud if backups fail
Prevention & Best Practices
Backup on stable Wi-Fi only.