Samsung Galaxy Y (GT-S5360) Firmware Overview
What is the latest GT-S5360 firmware?
S5360XLMJ2, released January 24, 2015 for region SER . The archive holds 3 official builds for this region.
Is the Samsung Galaxy Y still getting updates?
Most likely not: there has been no new firmware since January 2015, so Android 2.3.6 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-S5360 firmware for region SER
How to Flash GT-S5360 Firmware
Put the Samsung Galaxy Y into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.