HOW DO i FIND NEW FIRMWARE FOR A KNC MD903 9" TABLET and how do I download it to the tablet if the tablet does not want to boot up.

You can try the following steps to find an operating system for your NuVision TM785M3 tablet:

1. Visit the NuVision website and check if they have any firmware updates or operating system downloads available for your specific tablet model.
2. Search online for the specific operating system version that your tablet was originally shipped with. For example, if your tablet was originally shipped with Android 6.0, search for "Android 6.0 firmware for NuVision TM785M3."
3. Be aware that downloading firmware from unofficial sources can be risky, it can cause further issues on your tablet. Make sure to download the firmware from a reputable source.
4. Once you've downloaded the firmware, you can try to flash it to your tablet using a firmware flashing tool such as Odin for Samsung devices or SP Flash Tool for MediaTek devices.
5. If you're not comfortable with flashing firmware, you can also contact NuVision technical support for assistance.

It's important to note that, if you're not comfortable with this process or if you don't know what you're doing, it's best to contact a professional technician or Nuvision technical support to help you with this process.

If there is a new version available, follow these steps :

Tap "check update" in "Settings"
Then go to "about" and go to "system update" to check if the firmware is latest.

Steps to update :
1) Go to "Need Help?" page of ASUS official website http://www.asus.com/support to download ZIP file of firmware.
2) click the ZIP file after downloading is completed
3) Connect your tablet with PC via micro USB cable, and copy the ZIP file to the root dictionary of internal storage of tablet
4) Detach micro USB cable from the tablet to make the notification for firmware update popped up on status bar
5) Tap "System Update File Detected.." and follow steps to update firmware
Now your firmware is updated.

Only when a brand like irulu offers an update of the firmware, you can download firmware. But I think now you ask for firmware you even can't use new firmware. I think you have bricked your tablet. But to load firmware, your tablet needs to work correct. If during an update (or while rooting) something goes wrong, you can't put in new firmware, because the tablet does not know what to do with the USB connection or with the memory card holder. Only a workshop with the correct tools can put in some firmware.

As soon as irulu has an update of the firmware they will notify registered users they can download the firmware and they also provide a manual, how to do the update. There are always warnings, if something goes wrong during an update, you can end with a bricked tablet. But if it is a regular update, they also tell you who to contact if something goes wrong.
Try to fine a certified irulu repair centre and ask them for help. (and what it will cost)

If you don't have access to an external keyboard, download the correct firmware for your tablet here: http://www.touchmatepc.com/new/downloads.asp

You can flash your tablet with the correct firmware, and it will be the same as a factory reset. Just make sure you have a backup of your tablet's contents, and be very careful in choosing the correct firmware for your tablet.

Try pressing and holding power and volume down until it boots up. you will need to go online from a PC to download the latest firmware ( look on Allwinner webpage) then download it to a formatted SDcard.
this works for Ainol tablets.
worth a try.

Kocaso M9200 User Manual FAQs states ...
"Why won't my device turn on?
Make sure your tablet has been charged for at least four hours prior to use. When plugging in the cable, make sure you are not accidentally plugging it into the headphone jack. Also, the power button is on the side (for tablets) and not the one on the front of the touchscreen. The button on the front is for navigation".

"Should I perform a Firmware Update?
Not necessarily. This is actually intended if obscure issues with the tablet occur. Unless you are having issues with the tablet which a
Factory Data Reset has not resolved, it is not advised that you perform this step. However, if you are sure you wish to attempt this procedure, please visit the following link for available firmware downloads and the instructions on how to perform the update:
http://mymidpad.com/firmware/"

Link for M9200 .. Support Firmware. Please read details and only attempt firmware upgrade as a last resort. Its always best to get it done at a Kocaso service center. Hope this helps.

Did you get it fixed or did you send the tablet back? I could not get mine fixed and I finally paid attention to another forum and I fixed it with that download. I was zipping the file then unzipping it then putting it on my sd card and it does not work that way. I saved the new firmware straight to sd card put in tablet and boom I was up and running in ten minutes. Just be patient with it cause it will act like its doing nothing but it is.

Here are some common reasons tablets wont boot:
- SD card full or corrupted
Remove SD card (if you have one in your tablet) and try to boot

- Corrupted OS / Application / Data
Try a reset
If your tablet is rooted, you can often boot with the bootloader and wipe the application data.
re-flashing the firmware of the tablet works 99% of the time.

You need to flash new firmware you can download LiveSuit and
then look for the correct firmware that is compatible with your tablet.
If you search for How to Flash Tablet there will be a video or instruction on how to do it.

Hold down power button and volume up/down (up or down varies between each tablet model) when device is off. If done correctly, it should show you small font prompt, and there should be a reset option in there.
use volume buttons to go up/down, and power button to select option you want.