Why my 14.8.1 software is not downloaded in 6splus iPhone
iPhone 6s Plus, iOS 14
iPhone 6s Plus, iOS 14
See this Apple articles below:
If you need more space for an update on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT203097
What's the difference between device storage and iCloud storage?
https://support.apple.com/en-us/HT206504
What does iCloud back up?
See this Apple articles below:
If you need more space for an update on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT203097
What's the difference between device storage and iCloud storage?
https://support.apple.com/en-us/HT206504
What does iCloud back up?
Read what your screenshot says.
You don't have enough storage for the update.
Why my 14.8.1 software is not downloaded in 6splus iPhone