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I have a bent IPhone 7 plus but it is fully working. Can i repair it easily replacing back housing? or is it more difficult?
It is likely you cannot easily replace the housing because it would require you to take the entire phone apart and rebuild it in the new housing. A repair shop may be able to help but it is likely going to be expensive.
Replacing the housing will fix the bend. Replacing the back housing is a pretty big job, as you have to transfer the entire internals over to a new housing, but if you take your time and keep track of all the screws, you should be fine.
I am interested on the solution you made?
