Recommended · for some experience
QFN reflow without hot air
Why people recommend it
Shows a QFN package being soldered with only an iron by heating the board from the underside, offered as an alternative when no hot air station is available.
Watch for: Depends on board layout and pad access; use flux
In their words
Heres a vid I made on reflowing a QFN without hot air
mikeselectricstuff on electronics.stackexchange.com, Nov 2010. CC BY-SA.
Have not tried myself but here is video of soldering QFN (I believe exposed pad technique should be identical with MSOP):
mazurnification on electronics.stackexchange.com, Nov 2010. CC BY-SA.
