Originally Posted by silkenhut
I flashed the rom and it works really well...
However, so far, I only have 2 apps (FB messenger and Cleanmaster) ; and I checked that I only have 5mb left. There's another app called "Google Play Services" that ate 60mb (20mb of data that I clear again and again but it goes back).
I can no longer receive any sms messages due to out of space...
Yes, that's unfortunately very predictable side effect of using this ROM as well as any other deodexed ROMs.
Stock ROM are odexed, means that the system apps don't need to be paired with a davilk-cache that eats up space in the /data internal storage partition.
Deodexed ROM, on the contrary needs space to store the davilk-cache for the sytem apps, and that turns to be a issue on devices with very limited internal storage like the Galaxy Y.
To make things worse the latest updates of Google Play Service and Google Play store have much bigger footprint than the earlier versions and so they "eat" more internal storage space.
As lack of internal storage free space is a common issue for Galaxy Y holders, there have been developed many different solutions that aren't related to this ROM only and that are mainly based on making use of SDcard storage to free up internal storage space.
I personally make use of Link2SD app... but the free version doesn't give the option to "move" (symlink) the apps data&cache folder in internal storage so it might not be very effective; I personally solved doing the symlinks manually but it required some knowledge.
Anyway, if I was you, just as a start, I would free up some space by uninstalling the Google Play Service and Google Play Store updates and preventing them to automatically update again using these simple tricks.
[TRICK] How to avoid Google Play Service update
[TRICK] How to stop Google Play Store self update - easy!"
As a side note Google Play Service huge size is because it's used by Google to provide compatible API for apps designed to run on latest Android OS versions, so that those apps can run on old OS like Gingerbread.
A complete uninstallation of Google Play Service is usually unharmful for system apps that are designed already to run on Gingerbread so they don't need compatibility support.
Some users uninstall Google Play Service from system, then they install it at a later time as a normal "user app", and they move it on the SDcard.
In any case, to solve the "low memory" issue your system has to be "rooted".