Update items: 1. Default setting changes to English language interface.
P500 firmware updating process:
1. Please download and unzip P500 firmware.
2. After firmware unzipping, please connect P500 into the PC.
3. Please execute "stupdaterapp.exe" directly to update now.
4. Please have to select "format data area" while updating.
Please note: When P500 can't be recognized on the PC, please press sustained "play" key first and connect it into the PC (don't remove your finger till updating success).