Can't debrand w910i blue52

[testos]

Hi all
I've used ultimate unlocker 1.03 to debrad my phone (w910 red52 vodafone branded), it was unlocked succesfully but it was turned to blue52. Now i want to debrand it but i can't because i get this errors. First i've tryied by holding 2&5 : This is the log
D-Client v1.61 (0021):(
Turn off the phone.
Hold its C-button and connect it to the cable within 30 seconds.

EPI opened & EPI thread started.
ASIC: db3150
Boot mode: ROM

Phone model: W910i
Phone CID:
Phone version: Choose from list
Phone language:
CDA:
Customize: Yes
Customize: Yes
Unlock: No
Flash file: W910i_1200-5451_CentAsia_R1FA035_Red52.a2fs
Flash file: W910i_12009123_Generic_R1FA035_Red52.a2sw
Sending CS loader...
Please wait...
Phone is off.
Error occured...
EPIUSB connection closed
(55FDA7A8)
(2D6FED2C)
Error occured during sending loader. (9C498AA1)
Program finished with error. Disconnect cable and remove battery from the phone.

Then i've tryied by holding C ; here is the log:
D-Client v1.61 (0021)

Turn off the phone.
Hold its C-button and connect it to the cable within 30 seconds.

EPI opened & EPI thread started.
ASIC: db3150
Boot mode: EROM
Color: Undefined
Error occured...
EPIUSB connection closed
(4873F1EE)
Phone boot failed. (7BE142D6)

Program finished with error. Disconnect cable and remove battery from the phone.

What is wrong?

[Willin08]

The Ultimate Unlocker had a problem that made phones change to factory state.

You can try to flash it with a setool box to see if it helps you.