Все законектился через УФС с CX75 через mobileEx 3.3!
Нажимаю на мидлет Px65v4 пишет:

Getting information:
Model: SIEMENS CX75 12 lg92
Phone is in "Normal Mode"
IMEI: 356427004010257
SecurityStatus:CustomerMode
HWID: 5000
Battery voltage:3765 mV.
Further information:
Code (05): OTP area closed to record
Code (0A): Record BOOTKEY not in the EEPROM
Code (0D): BCORE included in the Keys
Code (10): BFC features unavailable
Code (15): Full mode (not STS)
Code (19): control included
Code (1D): Power 512x present
EELITE Info: free buffer118356bytes, free at all119576bytes, free for deleted119576bytes.
EEFULL Info: free buffer95587bytes, free at all207556bytes, free for deleted76516bytes.
MAP Infoate: 24/10/05, Variant: A 920, Std-Map/SW: 1/12, D-Map/Prov.: 1/162
For expanded HELPED - Skey enter into the phone!
gained Telephone:68056821sec.
Total conversations:1093519sec.
FlashID(1) - Code Factory:0089 (Intel), type:880D.
DisplayID(1,50): Philips Philips PCf8882.
Check input values ...
invalid input BOOTKEY
Waiting for a response from the midlet Chaos ...
No response from the midlet!
1) Start midlet px65v4 on the phone ...
2) The question of "Connect accessory" click "Px65v4" and insert in the phone cord.
3) Wait perform midlet and again, click Px65v4 "...
Midlet can be found at http://chaos.allsiemens.com/

Что делать? Я понимаю он просит запустить мидлет с телефона, но как это сделать он заблокирован

Да забыл, по инфе пишет:

Getting codes from the phone ...
Getting information:
Model: SIEMENS CX75 12 lg92
Phone is in "Normal Mode"
IMEI: 356427004010257
SecurityStatus:CustomerMode
HWID: 5000
Battery voltage:3803 mV.
Error in changes to BFB!

Соединялся через UFS только Tx Rx