thnx guys, i just downgrade my 4.4.2 i9500 to 4.2.2 using this file "I9500XXUBMH1_I9500OJVBMH2_I9500XXUBMG9_HOME.tar.m d5"
but i failed to flash it with other 4.2.2 versions, and i later known that its because "I9500XXUBMH1" has same bootloader of 4.4.2. so any idea?
here in turkey we have problem with repair imei at 4.4.2

thanks in advance