Apple has acknowledged user complaints that iPhone 15 and 15 Pro phones are overheating, reports Forbes, but said that contrary to speculation, it has nothing to do with the phone’s hardware design. Forbes noted an update to Instagram has already rolled out with version 302, released September 27th, to address some of the issues.
The Ti in the new pros is just a band around some aluminum, and this issue is being reproduces on the aluminum phones, old stainless steel phones, iPads, etc.
All signs are starting to point to software now.