Samsung Galaxy Mini 2 (GT-S6500) Firmware Overview
What is the latest GT-S6500 firmware?
S6500XXNI2, released September 26, 2014 for region XEN with Android 2.3.6. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Mini 2 still getting updates?
Most likely not: there has been no new firmware since September 2014, 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-S6500 firmware for region XEN
How to Flash GT-S6500 Firmware
Put the Samsung Galaxy Mini 2 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.