Can I buy storage space for my iPhone 7?

You determine the storage space of your device when you make the purchase. It cannot be upgraded later. You will either need to purchase another device with more storage or manage your current storage more efficiently. One way to do that is by using Optimized Storage for your photos. This will store the high resolution sizes of your photos in iCloud and only keep smaller thumbnails on your device until needed. Of course, depending on the number of photos you have, it may be necessary to purchase additional iCloud space.

Manage your photo and video storage - Apple Support

Hello~ Click on below and review…

What's the difference between device storage and iCloud ...

At some point you may need to consider a newer model iPhone with more storage.

~Katana-San~

You can’t increase space on an iPhone but can purchase more iCloud storage. The only way to have extra space on the device would be to purchase a newer iPhone which has more storage.

ritchie48 wrote:

I want to buy space for my iPhone 7 how to go about it and increase my space

[Re-Titled by Moderator]

No, period. End of story. You get what you got when you bought the phone and internal storage cannot be added.