Sonfer SFPA-401 Manual De Instrucciones página 43

4. Push next scrolling into 'Firmware upgrade' and push Mode to entry.
5. Connect player to PC
6. Running upgrade tools MP3 Player Update, then click 'Choose new firmware;
7. Select a firmware file. (Can be found on CDROM provided or downloaded from Internet)
8. Click 'Start Upgrade', the upgrade will on process.
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