Cellular not working after battery replacement
Hi Community
I replaced the battery in my iPhone 12 and now my phone doesn’t have working cellular. It might occasionally give me a few bars but mostly not, also when I tried to update on wifi it said it couldn’t verify my update because it wasn’t connected to the internet even though wifi was fine.
I suspect I have done damaged or dislodged something since opening the phone was very difficult and my attempted as removing the old gasket were also difficult so I could have caused damage then.
In order for me to at least attempt to fix it I need to know what the most likely component to be faulty is and where it is. I’ve successfully replaced many batteries on older models but i’m a novice when it comes to other parts in these phones so looking for some direction. I have gone back into the phone reconnected everything and gone over it but I can’t tell what might be wrong. Any ideas and pictures showing the potentially offending parts would be helpful.
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