Wrong firmware added in mp4 player.....

Todd, first you give us enough information then we try to help!
what is it, make model #, etc and your complete question.
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How to Upgrade the Firmware on MP3 Player

Flash Drive Repair how to upgrade mp3 mp4 player firmware

http://www.moviecodec.com/mp3-players/installing-firmware-to-mp4-player-11573

How to Update the firmware for your MP3 MP4 player

Hello,
If the PC can not see the player you could try to make firmware upgrade.
I think, this link will help you:
http://www.userdrivers.com/MP3-Player/Philips-GoGear-SA6015-SA6025-SA6045-MP4-Player-Firmware-Upgrade-1-15-2/
bye, gylacz

I upgraded the firmware of my Yshica mp4 player model number DM 6000 (4GB). Now its display is not turning on & failed to work. plz help me..sirm

1. Download the latest firmware.
2. Connect Player to PC
3. Take backup of files
4. Format player
5. Upgrade with the downloaded firmware
6. Copy back the files to the player

sounds to me like the firmware file has been corrupted, the included software for your player (MP3 utilities) should have a program called mp3 upgrade tool, which is used to load the firmware file to the player.

here is a site that should help you with firmware update

http://mympxplayer.org/how-to-recover-a-dead-mp3-mp4-player-vt10126.html

Here is the link to all Ricco Mp3 players.  You will have to find your specific model number on the list. There is an Mp3 Format tool that came with most Ricco Mp3 players - if you perform this formatting, then you should be good to go.  One model has a firmware upgrade - if you have that model, perform the firmware upgrade. http://www.netac.com/support/download.htm

Good luck!
-Tha Mp3 Doctor

Did you download the correct version of Firmware? There are 3 different types for your model (i'm guessing you have the HB500).

Not too sure if there is a reset button on the player.. If there is, use that..

Otherwise, download the firmware again and reinstall it

1. you are stupid
2. you are very bad
3. you are big
4. you are a dog

i intalled a new firmware but bacward play and dec vol dont work in this software

- As with nearly ALL sansa e250 problems, formating it will bring it back to normal. 1. Connect it to your computer. 2. Open 'My Computer' and right-click the device. 3. choose 'format...' and then 'quick format'. 4. If you haven't done so, upgrade the firmware: -Find the firmware on the Sandisk home page. Don't use the wrong one, though. If you have a Rhapsody version, choose the e200r player. Download the .zip file and extract its contents (right-click, 'extract all'). Then connect your player to your computer and drag the extracted file to your player's drive. Now when you turn your player on, it'll undergo the firmware update. You can also update your firmware by connecting to Rhapsody with your player hooked up and following the firmware update instructions when the window comes up. If the firmware update window doesn't appear, then you have the latest firmware to date. 5. Test out the player and see if this method worked. If not, you may want to send it back sandisk or return to the retailer you bought it from.