Please I need help with my K850i-

My k850 when BROD and after flashing
with SEtool using firmware R1EA037
the keypad and the blue light turn on
when I switch on the phone and goes off
within some seconds.
And when I connect the phone to my PC
the PC suit detect the phone but can not
connect it

please I need help
thank u

Heyaa!!!
Try to update again trought SEUS software. If it doesn't solve, aply Full Flash with another sotfware pack (FS, MAIN y CDA) and using A2uploader software. All u can find in TopSony Download's Area.
Geetings