Clone broken phone? (4,6)
I believe the answer is:
dead ringer
'clone' is the definition.
(I know that clone can be written as dead ringer)
'broken phone?' is the wordplay.
'broken' becomes 'dead' (dead can mean broken or damaged).
'phone?' becomes 'ringer' (something that rings).
'dead'+'ringer'='DEAD-RINGER'
(Other definitions for dead ringer that I've seen before include "Spitting image" , "Someone who looks very like another" , "Lookalike" , "Someone who looks identical to another (slang)" , "One can do no more changes!" .)