2700 шил ufsом а 2730 MxKey через USB результат что один что второй после прошивки при включении надпись NOKIA потом белый экран и тухнет .
В 2700 были вопрасительные знаки при включении и в некоторых пунктах меню телефона , в 2730 просто не было русского а так тел. работал исправно.
Следов воды не обнаружено в обоих телефонах . Не ударники .
2700 шил прошивкой 9.97 , 2730 шил 10.40 .

Вот лог прошивки 2730 с MxKey .

Код:
MXKEY [FT SCR2000 0], SN: C08184A2
Using device: USB ROM   
Connection status: OHCI:HUB::USB 2.00 (Full-speed)
Driver: NMWCD, ver: 7.1.32.70 
Module ver: 1.0.0.19798(05-01-2012), Library ver: 1.0.0.13703(05-01-2012)
Processing MCU file: rm578__10.40.mcusw 
 [BB5,BB5 ALGORITHM]  size: 21.65 MB
 Supported Ids: 0103192101003000, 010C192101003000, 030C192101023000
Make sure USB cable, Battery and charger are removed from device.
Insert USB cable, Battery back to device(make sure to have fully charged battery).
Insert Charger or Press phone's power button(if flashing doesnt start automatically)
Waiting for USB ROM device ...
Waiting for USB ROM device ...
Make sure USB cable, Battery and charger are removed from device.
Insert USB cable, Battery back to device(make sure to have fully charged battery).
Insert Charger or Press phone's power button(if flashing doesnt start automatically)
Waiting for USB ROM device ...
Device connected: nmwcdnsuc\Nokia USB Flashing Generic, PORT_ID: 1344103
CMT SYSTEM ASIC ID: 000000010000022600010006030C192101023000 
CMT EM0 ID: 00000296
CMT EM1 ID: 00000B22
CMT PUBLIC ID: 26B00016C3340456ED616533243E062CE7C628BD
CMT ASIC MODE ID: 00
CMT ROOT KEY HASH: 9DDBFCFE6E73CED7D8C6268C8EB85723
CMT ROM ID: 273F6D55DFAAF68F
Flashing CMT Update Server Data, ULO: 0x3900 bytes
Update Server code succesfully sent to phone.
Flashing CMT Update Server Data, UPDAPP: 0x4B340 bytes
Update Server code succesfully sent to phone.
Flashing CMT Update Server Data, PASUBTOC: 0x59980 bytes
Update Server code succesfully sent to phone.
Waiting for USB device removal ... 
Device connected: nmwcdnsuc\Nokia BB5 ADL Loader USB Generic, PORT_ID: 26DC8537
Verifying communication to device OK.
Erase size: 23.25 MB
CMT FLASH,NOR area [00000000-000006BF] erased in 0.886 s
CMT FLASH,NOR area [000006C0-0001FFFF] erased in 0.895 s
CMT FLASH,NOR area [00040000-000BFFFF] erased in 2.926 s
CMT FLASH,NOR area [000C0000-0013FFFF] erased in 2.989 s
CMT FLASH,NOR area [00140000-0155FFFF] erased in 1 min 59.524 s
CMT FLASH,NOR area [01560000-0175FFFF] erased in 11.725 s
Flash programming ...
CMT NOLO block sent
CMT KEYS block sent
CMT PRIMAPP block sent
CMT PASUBTOC block sent
Selecting first CMT PAPUB block with matching RootKey.
CMT PAPUBKEYS: 8669C775 [RAP Certificate 215 v1] sent
CMT UPDAPP block sent
CMT DSP0 block sent
CMT MCUSW block sent
Programming completed in 1 min 35.027 s
Processing PPM file: rm578__10.40.ppm_el 
 [BB5,BB5 ALGORITHM]  size: 4.98 MB
 Supported Ids: 0103192101003000, 010C192101003000, 030C192101023000
Erase size: 8.62 MB
CMT FLASH,NOR area [01760000-01FFFFFF] erased in 49.927 s
Flash programming ...
Programming completed in 21.400 s
Processing CNT file: rm578__10.40.image_el_red 
 [BB5,BB5 ALGORITHM] page size: 128 K size: 13.89 MB
 Supported Ids: 0103192101003000, 010C192101003000, 030C192101023000
Erase size: 31.75 MB
CMT FLASH,NOR area [02000000-0245FFFF] erased in 29.433 s
CMT FLASH,NOR area [02460000-03FBFFFF] erased in 2 min 55.853 s
Flash programming ...
Programming completed in 59.930 s
Total time for flashing process(boot+erase+write) was 10 min 43.380 s
Waiting for USB device removal ...OK
Waiting for USB device arrival ... 
Waiting for device boot up ...
Phone not found, retrying ...
Warning: Phone did not reboot to normal mode.