How to get a large sofa through a narrow hallway

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Try moving the sofa vertically, horizontally, or diagonally
2. 2
   Open the dust cover on the bottom of the couch to see if the back is bolted on and can be unbolted
3. 3
   Try maneuvering the sofa into an adjacent room first to get a better angle across the hall
4. 4
   Trying an alternative entrance with a wider approach angle
5. 5
   Removing packaging materials to reduce overall dimensions

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.