What do I need to replace my Air iOS App with the old one?

Hi there!

How is your life? full of Code like mine? not bad!

well....are you ready for a new story?!

- there was an old app (version 1) made for both Android and iOS (available in Google Play and Apple Store).

- I received the request and developed the new version 2 (Completely from scratch, using Adobe Flash CS6).

- For Android, all I had to upgrade the App from Version 1 to 2, was a certificate file with no extention (just the password).

- After a LONG process fortunately I could convert that to p12 , remove the air. prefix to match old package name, and I am done

And now I am into Apple!!

- For Apple, all I have received now contains 2 files related to Version 1:

   ios_development.cer

    PAQ_DEV.mobileprovision

Based on your valuable experience dear freinds:

1-  Those files are really all I need to upgrade the App from Version 1 to Version 2 ??

2-  what is the process to make p12 file (I mean any URLs or articles in this case that could help?).

thanks alot for your time and best Regards,

       Ali