before: you must buy a usb-ttl tool ,it like

            http://www.ebay.com/itm/USB-To-RS232-TTL-PL2303HX-Auto-Converter-Module-Converter-Adapter-For-arduino-/180953299346?pt=LH_DefaultDomain_0&hash=item2a21a83992

then:

1 open player cover,and connect usb-ttl to player ,

   ATTENTION :usb-ttl rx connect to player tx,usb-ttl tx connect to player rx.gnd to gnd,dont connect power 3.3 .

2 download :www.bd-mod.com/BDP10X-77-0827+jb7.rar

   and .unrar it ,and get BDP10X.bin,rename BDP10X.bin to BDP10X.rar ,unrar it ,get UPG folder.

   now in UPG folder,rename MAIN10X.bin to MAIN10XEU.bin(or MAIN10XAU.bin) ,in setup

   then copy UPG folder to the fat32 usb disk.

3 open putty  ,and put comX and 115200. open it.

4 press enter always,power on player ,when putty print

#
#
#
#
#

  stop press,and input upg

#upg  ,press enter.

5 about 3-4min ,it 

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