Both "used method" and "method used" can be correct, but they serve different purposes. "Used method" often acts as an adjective phrase to describe a method that has been utilized, while "method used" emphasizes the method itself, highlighting its application. Depending on the context of your sentence, you can choose either. Generally, "method used" is more common in formal writing.
method used to demonstrate an experiment or to imitate a phenomenon
hands
Lots of inventions use the scientific method.
The Scientific Method is a method made by science
Tony Fones's birth name is Anthony Fenton Fones.
Tony Fones died in 1997, in London, England, UK.
these are rechargeable batteries used in cell fones
Alfred Fones was born in 1869.
William Fones was born in 1917.
Elizabeth Fones died on 1673-02-01.
Elizabeth Fones was born on 1610-01-21.
The cast of Fones - 1968 includes: Dimitris Bislanis Liza Koundouri Ellie Loizou
Tony Fones was born in December 1919, in London, England, UK.
boath fones
Christina M. C. Fones has written: 'Let's learn to cook' -- subject(s): Cookery
I believe you mean "phones".