MaryArcelus Said:
"How can I fix my iPhone's rebooting issue and make 2 TB storage work?: my phone is out of storage and it keeps rebooting, i've already bought 2 terabytes and it still isn't enough how do i fix it for the 2 terabytes to work?, since they won't work because i don't have space, which is the reason why i bought them in the first place "
-------
See if this helps...
A. Troubleshooting a Boot Loop:
Sometimes, you go about installing an update, and It gets stalled while in the process.
Use my User Tip: How to Fix an iPhone in a Boot Loop - User Tip
Caches may have intensely uploaded. So, clear them.
B. Troubleshooting iPhone Storage:
Internal storage cannot be upgraded. It is what it is. So, the maximum internal storage capacity never increases, even if you upgraded your iCloud plan. Learn More here: What's the Difference Between Device Storage and iCloud Storage? Apple Support
So, what to do...
Clear Space Using my User Tips: