При ВКЛ. появляется заставка SonyEricsson, а потом белый экран.
Прошиваю Cruiserом.
Вот лог:
System diagnostics passed.
Version 13.20 ready!

[ --- Attach to Phone --- ]
Connecting via Fighter USB Cable...
Powering on the phone...
Baseband chip ID: 0x8040
Protocol version: 3.1
Baudrate = 460800Bd
Booting via ROM...
Sony Ericsson phone detected.
Phone CID: 36
Phone color: Brown
Flash certificate: A1_DB2010_36_BROWN
Trying Brown CID36 flash applet...
Sending applet prologue...
Sending applet body...
Time spent entering bootstrap: 2s
Initializing phone hardware...
Applet ID: 060222 0202 CRUCXC1250166_1_SEMC_CO...
Flash manufacturer: ST Microelectronics
Flash ID: 0x200D
OTP Security Level: 1 (Retail)
OTP CID: 36
Analyzing configuration...
Reading primary certificate...
Primary certificate CID: 0
Primary certificate color: None
Failed!
BATTERY VOLTAGE OR USB TRANSFER SIZE MAY BE TOO LOW!
Analyzing RSA protection...
Phone hardware initialized OK

Чтобы не было лишних вопросов - Батарею заряжал полностью!!!
Мне не нравятся вот эти пункты -
Primary certificate CID: 0
Primary certificate color: None
Failed!