Flashing stock android S6 SM-G920f firmware with odin.

I bought a second-hand samsung galaxy S6 Movistar (G920FXXU2BOGC) on android 5.0.2 .
But I did an update to 5.1.1 . I find out that pingpong root doesn't support 5.1.1, so I downloaded G920FXXU1AOE3 (French 5.0.2) and flash it with odin.

Code:

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<ID:0/048> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> G920FXXU1AOE3_G920FOXA1AOE3_G920FXXU1AOE3_HOME.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/048> Odin engine v(ID:3.1005)..
<ID:0/048> File analysis..
<ID:0/048> SetupConnection..
<ID:0/048> Initialzation..
<ID:0/048> Get PIT for mapping..
<ID:0/048> Firmware update start..
<ID:0/048> SingleDownload.
<ID:0/048> sboot.bin
<ID:0/048> NAND Write Start!!
<ID:0/048> FAIL!
<ID:0/048>
<ID:0/048> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

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