How to Downgrade Samsung Galaxy S Avance from Jelly bean 4.1.2 to Gingerbread 2.3.6

1.Downloadthese file for downgrade.

     CLICK HERE

2. Extract files to a folder on your computer.

3.Downlaod ODIN

4.Open ODIN tool and selct the following files accordingly after checkboxing them as shown   below

PDA : CODE_GT-I9070_I9070DXLD1_CL1068093_REV00_user_SEC_KEY_LD1_ 8G.tar.md5
CSC: CSC_GT-I9070-MULTI-CSC-OLBLD1_SEC_KEY_8G.tar.md5(If you found no such file IGNORE it)

PHONE : GT-I9070_EUR_XX_8G.pit(If you found no such file IGNORE it)

You are DONE.ENJOY!!!!!