Para sakin, mas better ang updated files etc. Since 2018 naman ang files mo, update mo lang ng unti kasi sobrang daming naimprove ng mga emulators ngayon in terms of securities and bug fixes.
Yes pwde mo po gamitin yung old files mo as long as nasayo server at client files mo po.
Need mo lang isetup yung IP sa magiging bagong IP address ng server mo po.
Cons: Some bug fixes or enhancement in the emulator need mo imanually add or kung kaya pa irebase sa recent update ng emulator