HELP. stuck in download mode!
Hello, im new to the whole andriod scene..i have a galaxy s4 sch-i545. just switched over from apple...last night i did the new update, then i realized you cant root that firmware.so i used odin and tried to downgrade to I545VRUDMI1...my device is sch-i545...when i clicked start in odin to downgrade, it ran, but Tthe end failed. BUT now wen i try to turn my phone back on its in odin mode and says FIRMWARE UPGRADE ENCOUNTERD AN ISSUE. PLEASE SELECT RECOVRY MODE IN KIES AND TRY AGAIN. wont even go in recovry mode, but when i hit the volume down+home+power button i get back to the screen asking if i wana go into download mode, i hit the vol up boton and im back at the downloading... do not turn of target screen...please help i only had this phone for 2 days lol. the odin program reads the phone but always fail. ive tried a few stock firmwares, still nothing!!! help please! heres the error i always get in odin.
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> COMBINATION_I545VRUAME7_I545VZWAME7_690088_REV06_u ser_low_ship_MULTI_CERT.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/007> Odin v.3 engine (ID:7)..
<ID:0/007> File analysis..
<ID:0/007> Get PIT for mapping..
<ID:0/007> Firmware update start..
<ID:0/007> NAND Write Start!!
<ID:0/007> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)