Lightbulb Querries About Korean S4 (SHV-E300S)

Are there Custom ROMs for Korean S4 (SHV-E300S)?


Are the Custom ROMs for S4 I9505 compatible to SHC-E300S?


Is the SHC-E300S having the same battery and accessories with the I9505?


I might be planning to get one if in case...
Newbie Me