Hello,
do you guys know my 16 GB 6s phone has already occupied with 6.5 GB with system store memory with iOS 14 version. Now please help me to update iOS 15 version erasing all memory and from beginning as it want 3.5 gb you can delete all updates and update freshly iOS 15 so my phone system memory will be only 3.5 GB ? Is it possible?
iPhone 6s, iOS 14
Try to get more device storage, 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
How to check the storage on your iPhone, iPad and iPod touch
https://support.apple.com/en-gb/HT201656
Clear Other storage on your iPhone or iPad
https://support.apple.com/en-us/HT211686
What's the difference between device storage and iCloud storage?
https://support.apple.com/en-us/HT206504
You need about 6 GB device storage for iOS 15.
Try to get more device storage, 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
How to check the storage on your iPhone, iPad and iPod touch
https://support.apple.com/en-gb/HT201656
Clear Other storage on your iPhone or iPad
https://support.apple.com/en-us/HT211686
What's the difference between device storage and iCloud storage?
https://support.apple.com/en-us/HT206504
You need about 6 GB device storage for iOS 15.
How to update my iPhone 6s to IOS 15
