[Android Software/Hacking General [Developers Only]] stragulus:
First NAND-flash Froyo Release

Thanks to user LaurensBER @ AndroidForums.com I managed to get a working pointer calibration file, after which I deem the first froyo version that can be written to the internal NAND flash ready!

VIDEO

Video demonstrating how to flash the tablet after having created the bootable SD-card: http://www.youtube.com/watch?v=47kf4-Vbba8#t=3

RELEASE NOTES

Please provide feedback if things work, or do not work for you.

If it eats your tablet, don't blame me. I deem it low-risk though, if it fails you can reflash it using burntool or another bootable sd-card just like before.

INSTALLATION

Installation is slightly different from normal releases because it requires flashing in 2 steps. Luckily, it's really easy:

1. Download bootable SD-card image and unzip: http://www.mediafire.com/?oc1bwnq71smb09k

2. Write image to an SD-card that's at least 1GB in size using Win32DiskImager:

Get Win32DiskImager here: https://launchpad.net/win32-image-writer

In Win32DiskImager: When you open it, there is a button to browse the .img file and after that, at the right of this button there is a selector for the SD-card. Select it, then click write and it's done.

When finished, take out the card.

In linux, you just unzip the file and use dd to write it to the sd-card:

dd if=/path/to/sdcard.img of=/dev/sdX # (where sdX is your scsi disk device, check dmesg)

3. Turn off tablet and put sd-card in TOP slot (between the 2 usb ports).

4. Turn on tablet. It will report that it is booting off the sd-card, and that it's flashing kernel + filesystems.

5. Take out the sd-card when the tablet asks you to do so (takes less than a minute). Put it in the OTHER sd-card slot (bottom one), and reboot the tablet by holding down the power for 10 seconds to turn it off, then press it again to turn it on.

6. You will now see the tablet booting with a *GREEN* screen. The screen will flash twice to indicate it's starting. The flashing itself will take longer than in the previous step, a few minutes. If succesful, it will automatically reboot, after which you're done and you're booting the new firmware! You'll see a different boot screen (equalizer on a black background)

7. After it has booted and you have unlocked the screen, reboot the tablet first thing! First boots in android always tend to be behave erratically. This is unrelated to this firmware and applies to all Android setups.

If step 6 fails (which is very unlikely), it will stay on the green screen and it will keep on flashing the screen. In that case, you'll have to turn it off. Most likely problem for this is a corrupt SD-card. See troubleshooting below.

Make sure to never put that sd-card back in the top-slot without erasing it first, as it will reflash your tablet!

TROUBLESHOOTING

The 'green screen' keeps flashing!

The installer will dump a text file on the root of the sd-card which you can inspect. The file is called fail_reason.txt. If no such file exists, things are seriously wrong and the tablet couldn't even properly write to the sd-card. If using another SD-card, or rewriting the SD-card doesn't help, please upload the fail_reason.txt file here.

Flashing was succesful, but the system freezes at the android animation!

For this firmware to work, you need to have u-boot version 0.6.1.5 installed. You can tell if you have this by looking at the INFOTMIC bootscreen you see when you turn on the tablet. If the bottom right corner does not show a version number, then you don't have it. To install this, you will need to connect the tablet to your PC using an USB A-A cable and flash u-boot-nand.bin from the v2852 firmware first.

TODO

Find out why some users can't get past the android boot animation despite seemingly succesful flashing

Rewrite instructions for creating the sdcard @ windows

Figure out why Titanium Backup doesn't work

(**) Tested:

wifi, ethernet port

battery status works, g-sensor works

touchscreen works (precalibrated, you cannot recalibrate it using the settings app)

HD video playback works (I recommend Meridian player)

Market works (full)

angry birds works ( thought I'd mention it ;) )

The firmware has already been rooted! You can connect using adb over wifi, and type 'su' to become root. Find your IP address using the Android System Info app.

GPS confirmed