Heres a procedure on how to flash and install the XXKP9 2.3.4 Gingerbrd firmware for Galaxy SL I9003. Note: This is a DEV RELSE VERSION and not been officially relsed. But you may still try out of curiosity matter. I have quoted the best feedback below from those who alrdy tried out and install this said firmware. You may also checked of whats new and known issues about