i am having a problem with my z520i, whenever i turn it on, it only shows the wsod and even if its not low battery,i need to insert the charger for it to turn on. what could be the problem?will you masters,help me?do i need to reload firmware or anything?i hope someone will help me.

Try reflashing.

reflashing the firmware you mean?

Yeah that's what I meant

my phone is cid 36 and erom color is brown..do i need to convert it to red?

i cant backup gdfs..this is the log..will someone explain this to me?

13:25:54| Profiling SEMC phone...
13:25:54| Platform: DB2010
13:25:54| OTP CID: 36
13:25:54| EROM CID: 36
13:25:54| EROM Color: Brown
13:25:54| IMEI: 35719800xxxxxx
13:25:54| Phone ID: Z520
13:25:54| Region: EMEA_6
13:25:54| CDA: CDA123456/123 R2A
13:25:54| Firmware Version: R3C035
13:25:54| EROM: n/a
13:25:54| Ready for operation!
13:26:07|
13:26:07| Sending db2010_cid49brown_cs_v23.bin...
13:26:08| Prologue: Failed
13:26:08| Error: Failed to send CSLoader!
13:26:08| FSX Shutdown!
13:26:10| Disconnected... Unplug the phone
13:28:59|

You have to use jdflasher I think to flash red erom.