Originally posted by Like
The best firmware in my opinion is 4.75.1 or 4.76.1 Rebug DEX or D-REX. Been on this firmware for awhile and dont ever need to change.
You want the latest version of a CFW, for example 4.75.3. It's much more stable than its first release and has tons of bug fixes and improvements.
Originally posted by jqq
As long as your qa flag is enabled, then you'll be able to install any CFW! Hope it helps!
That's only when you downgrade. But when upgrading it doesn't matter :p