Help! P990i CDA changed now won't update or boot!

[PDAMad]

Had a P990i with latest Orange f/w - checked & reflashed with SEUS - all OK.

Debranded with KK Client, changing CDA
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from

Color: Red ; OTP CID: 49
EROM CID:49
Phone Model:P990i
CDA: CDA162008/16 - R6A03
PDA: CXC162036 - R4B03
Phone Firmware: CXC162037 - R9EC001
Additional Code: CXC162087 - R4A01
Keyboard variant: QWERTY
Flash ID: 0x2010 - Supported
MCC+MNC: 234-33 - SIM

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to

Color: Red ; OTP CID: 49
EROM CID:49
Phone Model:P990i
CDA: CDA162007/1 - R6A03
PDA: CXC162036 - R4B03
Phone Firmware: CXC162037 - R9EC001
Additional Code: CXC162087 - R4A01
Keyboard variant: QWERTY
Flash ID: 0x2010 - Supported
MCC+MNC: 234-33 - SIM
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Phone rebooted OK, still with Orange branding.

Ran SEUS again, phone detected as Generic World 1

Ran update. SEUS downloads files Ok. Flash upload stalls at 77%! SEUS exits after 30 mins (no error message, just closed window).

Phone won't boot - on power up gives brief white screen flash then black, but with backlight permanently on.

Can reconnect to SEUS OK with USB + C - but SEUS says phone has latest firmware so won't let me update again. Option that used to be in SEUS to "update anyway" has disappeared, so I'm stuck!

Please help! I assume the Flash upload stalling at 77% is the problem? How do I repeat the flash procedure if SEUS won't do it?

[PDAMad]

OK I bought another credit in the hope it let me change the CDA back, so SEUS would see another phone to update.
Usin KK to Get Info shows the ROM's blank! Looks like SEUS erased the old but didn't put anything in its place?

KK User log:
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Detected: DB2000: P990i,M600i,W950i Series
Phone IMEI:<snipped>
Color: Red ; OTP CID: 49
EROM CID:49
Phone Model:????
!!! Skipping Empty GDFS Block: 0x02D506
Error: Read Flash ID

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So, what next? How do I get this phone restored? Please help!

[KulanKendi]

looks like flash chip is damaged while flashing or not all balls connecting, it can not affect while is programmed, but can't flash fully after erase.

b.r.

OK I bought another credit in the hope it let me change the CDA back, so SEUS would see another phone to update.
Usin KK to Get Info shows the ROM's blank! Looks like SEUS erased the old but didn't put anything in its place?

KK User log:
----
Detected: DB2000: P990i,M600i,W950i Series
Phone IMEI:<snipped>
Color: Red ; OTP CID: 49
EROM CID:49
Phone Model:????
!!! Skipping Empty GDFS Block: 0x02D506
Error: Read Flash ID

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So, what next? How do I get this phone restored? Please help!