I have a Samsung GT-I5510M and it stop re-booting a couple weeks ago...When I powered the phone it stay on the logo screen (GT-I5510M) nothing happen after that.I try flashing it with Odin Multi Downloader (GT-I5510) and the file I5510XWKD4.zip.I have extract the file.But with no luck....It been 72 min and nothing more then that happen.My phone is on downloading mode.... What can I do for that? I have followed this instructions. Run Samsung I5510 Downloader. Make sure these options is checked: Auto Reboot - Protect OPS. Click OPS button and select: CALLISTO_v1.0.ops Click BOOT button and select: I5510xxxxx_BOOTLOADER_CL872686.tar.md5 Click Phone button and select: I5510xxxxx_amss_phone_CL776067.tar.md5 Click PDA button and select: I5510xxxxx_PDA_CL872686.tar.md5 Click CSC button and Select: GT-I5510-CSC-MULTI-Oxxxxx.tar.md5 Put the phone into Download Mode ( Press Q key + Power button ). Connect USB cable to phone and PC and make sure the program detect it. Click Start button to begin updating the phone.