MP3 Focus 1MB (from China)
 

Hi all,
I got 2 MP3 players both model "Focus" made in China. One was dead but in service was revived with new firmware.
Is it possible and how to make backup of this firmware (just in case), and is there any better firmware for this players:
1.)
Fw: LSD_91N18V_A1
Date: 2007-07-26
Core: 9.1.52
Date: 2005-01-09

2:)
Fw: B859j10B_V3.0
Date: 2007-11-20
Core: 9.1.52
Date: 2007-06-06

Any help is useful.
Regards
Dino