Flash Your ROM From SD Card
Oct 22nd, 2007 by Tariq Bamadhaj
Preparations
What you will need is an SD Card, formatted in FAT. There should be nothing in the card except for the files that we are going to copy into it. Also, make sure your device is connected to the AC charger or has a full battery charge (I would recommend the former). Also, do not connect it via USB cable for charging in this case as you will soon see why.
Steps
1. Run the ROM update program on your PC and go through the installation process until your reach the ‘End User Update‘ window. Leave this running.
2. Go to the Temp file in your Documents. This is usually C:\Documents and Settings\
3. Look for these 2 files, temp.dat (about 60 MB) and USBDLUpdate_Console.exe (about 4 KB) and copy them to your formatted SD Card using a card reader. You might want to copy these files to another location on your PC before copying it to your card reader if there are problems. Also, rename temp.dat to temp.bin before proceeding to the next step.
4. Put this card into your device and put the device into Bootloader mode. This can be done by pressing (and holding) the power button and voice commander key and then soft resetting. When it restarts, you can remove the stylus but keep your hold on the power and voice commander buttons.
5. The installation will proceed but at a slower rate than if you did it on your PC. This is due to the slower transfer rate between the card and device. It might take about 15-30 minutes so it would be best if your device was connected to the mains charger.
6. Installation is complete when you see this message “USB host is not connected yet“. This is your sign to do a soft reset and setup your device as the ROM installation was successful.
Possible Causes of Errors
1. If you see messages like this, “Find SDMMC Card” or “SDMMC Load Fail“, when you enter Bootloader mode, it means that the SD card is not compatible with your Eten device. In this case, make sure the device is formatted in FAT and not FAT32. If it is in FAT, try with another card, as that make of card could be the reason.
2. Use a card of capacity at least 512MB as this would allow the temp.bin to unpack the files during installation. I am not sure what is the minimum card size required but better to be safe than sorry. You could always try with a smaller card.
3. If you are unable to rename temp.dat to temp.bin, you need to enable enable another option in Windows. Select Tools and then Folder Options, select View tab and uncheck “Hide extensions for known files types” option
4. If you are still facing errors at this stage, leave a comment here and we will try to help you out 
Thanks to markd from Eten Users Forum for the guide.
(5 votes, average: 4.6 out of 5)
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hello,
I have tried this and usual methods but all i got is a black screen and flashing orange .
Really don’t understand.
This with an ETEN M600+
Never had that with an ETEN M600.
thank you
Hi tvcn5018
Just to confirm, you say that you are having problems with this on the M600 but you tried it on the M600+ and had no problem?
hi tariq
Never had problems with ETEN M600.
I have an ETEN M600+ with problems:
Can’t upgrade still black screen and led flashing ….
I’ve done all i’ve found on the net but till now nobody can help or tell what is wrong with that ETEN M600+ ???
thanks
Hi tvcn5018
It does look like you have a serious problem. I would recommend you sending in your device for repair because there is not really much that I can advice you from a blank screen.
i needed this info because my new x800 is stuck bad i can get into bootloader but don’t have rom img to flash my machine
Hi jag
Glad you found this useful. Good luck bringing your device back to life.
by the way where to find USBDLUpdate_Console.exe ?
Hi jag
It should be inside the ROM file as well when you run the ROM update.
bro tariq amir here from downunder,thanks for replying back, i need rom img for x800 but looks like no one has it yet, eten has released new rom for it but its available in exe file and i need different stuff eitehr i could via usbdl_lite or method given here.
Hi Amir
What you do is to download that exe file and run it according to the instructions given. The files will be extracted and you can get the needed files from there.
ah you mean that exe file i have which updates rom via active sync,i just run that on my pc and i will be able to grab tem.dat and other usbdl files from there,you mean i just follow steps and thats it? cheers man
bro,i run the way u said but can’t find anything,is it possible you could cook these files for me? let me know.cheers
Tariq,
i found the way to find those two files in my computer,basically had to show all hidden files through settings in my pc,then temp.dat and usbdlupdate_console.exe poped up too,i formated 2gb sandisk micro sd in FAT mode then downloaded temp.dat which i changed to temp.bin along with usbdlupdate_console.exe in micro sd and inserted card in my basically dead x800, entered in bootloader (same way you mentioned up there) and there you go everything went smooth as it should have been and my device was re-flashed to newer rom (took only 5 minutes max) i really thank you for this help,i saw same method in eten user forum but i interacted with your blog first and this is where i got this idea from, otherwise i was about to send device away to US which would have been a bit of pain as i am in australia,so thanks to you once again.cheres
Hi jag
Sorry I could not reply to you sooner due to timezone differences. I’m glad you manage to play around and found the solution. As much as possible, I prefer to fix my own devices because being away from it for so long somehow makes me feel weird.