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Anyone care to tldr; this 10 minute video?
It's just from Instagram, you have to wait for an update of the application and it also happens on iPhone 14 models (and maybe the others, I suppose, but he didn't specify). You have to do what he says in his pinned comment :

Here is some information about my Instagram settings:
Instagram version: 302.0.0.19.117 (released this morning September 26, 2023)
Location: Ask Next Time
- Precise Location: Off
Photos: Limited Access (of course)
Microphone Access: Off
Camera Access: Off
Siri Search: On
Notifications: On
Live Activities: Off
Background app refresh is off for Instagram and Threads (of course)
Cellular Data: On
Accounts logged in: 3
 
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Reactions: 5105973 and tekchic
The Instagram app nearly killed my old phone at one point. It would use more battery than the charger could provide (even when I'd quit the app and bg refresh was turned off). Deleting and reinstalling the app would fix things till the next update then I'd notice battery issues again.
 
I would not trust any social media posting instructions or reviews until I verify them with my own experience. All are relative and subjective on social platforms. However, everyone had their own personal preference.
 
Easily solution get of instagram , it’s full of ads and people they just ad to your feed you don’t even follow.
I have a quick look everyday as I have family os.
 
I deleted the App from my iPhone and use "Friendly+" instead. It is honestly just a mobile wrapper but the advantage is that it also blocks most Insta Ads. Tried to use Instagram as a Web App from Safari but it logs me out every time I open the "web app" for some reason so "Friendly+" it is
 
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