I am completely new to this but have a huge need to come up with a solution to this. I have a network of people all trying to get unlocked AT&T iPhones to work with Straight Talk. Without having to "jailbreak" the phones. I found a solution to the data/mms problem but I had to hand edit this .plist file from a backup and restore it to the phone - Library/Preferences/com.apple.mms_override.plist
Works flawlessly with my added edits. I can now send pics and hit the net. My problem is, it's not a permanent fix. If you have to remove the battery for any reason or update the OS, the file automatically takes on it's old code.
I'm trying to come up with a way to; Install an app that will detect the change and change it back to whats needed? Or at least offer an easy mobile downloadable "something" that can edit the file as needed if the user can no longer send pics because of a file overwriting by an update.
I hope this makes sense. I do websites. HTML, CSS, jquery and PHP. I don't even know where to begin with this.
Please someone help. Ideas. Suggestions. Thanks so much.