Converting to CID52 (Z550a)

[a123456789]

I can not flash the FS. Please let me know where I can get FS (CID52) for my Z550a phone.

XS++ Log

20:02:45|
20:02:45| Attempting to open the interface...
20:02:45|
20:02:45| TURN OFF PHONE!
20:02:45| Hold 'C' button on phone and connect phone NOW.
20:02:45| You have 30 seconds...
20:02:45|
20:02:53| Baseband ID: 8040
20:02:53| Protocol Version: 3.1
20:02:53| NEW SECURITY PHONE DETECTED! SWITCHING...
20:02:53| Phone name detected!
20:02:53|
20:02:53| Profiling SEMC phone...
20:02:53| Platform: DB2010
20:02:53| OTP CID: 51
20:02:53| EROM CID: 52
20:02:53| EROM Color: Red
20:02:53| IMEI: 35350501xxxxxx
20:02:53| Phone ID: Z550
20:02:53| Region: ROGERS
20:02:53| CDA: CDA102731/14 R10A
20:02:53| Firmware Version: R6GA004
20:02:53| EROM: n/a
20:02:53| Ready for operation!
20:03:28|
20:03:28| Sending db2010_db2012_cid52red_flash_r2b012.bin...
20:03:29| Applet ID: 061205 1354 HAN_DB2012_FLASHLOADER_R2B012_CXC1326738
20:03:29| This is a FLASH loader
20:03:29| Now flashing filesystem...
20:03:29| Flashing c:\cellphone\sony\mywork\r6ga004_red51\z550_r6ga00 4_fs_america_1_red51.fbn
20:03:29| Header type: BABE
20:03:29| 133 flashblocks
20:03:31| Binary acknowledge failed with: 15
20:03:31| Command: Error 0x15
20:03:31| Failed sending flashblock 1. Returnvalue 0xF7FE2000
20:03:31| Finishing flash20:03:48| Error: Flashing failed
20:03:48| Disconnected... Unplug the phone

[docmagoo]

you cant revert. I have done extensive research into this and no joy!!! the higher CID loaders wontaccept the old CID firmware

[senter]

@a123456789 you can't flash CID 52 phone with CID51 files.