[HTC Flyer, EVO View 4G] icny7002:
Hello all,

I have been trying to downgrade my Flyer (wi-fi Best Buy version) by using the procedure provided by our awesome helper and mentor, globatron. The procedure is titled as [Procedure]No HTC unlock HC-GB downgrade for official HC OTA and found at http://xdaforums.com/showthread.php?t=1428104.

I have gone through all 13 pages on that thread to find out if anyone has a problem I am having. But it appears no one had the same problem. As a new user, I was not allowed to post a question on that particular thread. So here I am....

Here is the procedure/instruction from the posting I mentioned above.

Procedure

1. Check the version number for your gingerbread RUU

In my example I am using this RUU: RUU_Flyer_HTC_WWE_2.00.405.3_R_Radio_20.3501.30.08 9BU_3809.05.04.10_M_release_194964_signed.exe

The version is the part highlighted in red.

2. Boot your flyer up to android if it's not already on, with usb debugging enabled and connect it to the PC.

3. Run the following adb commands

adb push tacoroot.bin /data/local/

adb push misc_version /data/local/

adb shell chmod 755 /data/local/tacoroot.bin

adb shell chmod 755 /data/local/misc_version

adb shell /data/local/tacoroot.bin --setup

At this point your device will reboot to recovery

4. Simultaneously press Volume Up, Volume Down and Power

5. Reboot your device

6. Run the following command

adb shell /data/local/tacoroot.bin --root

* Your device will reboot, do not worry if it does not boot fully, it doesn't matter for this procedure, and it is a side effect of this root exploit.

7. Run the following command:

adb shell /data/local/misc_version -s 2.00.405.3

* Note that the number in RED is the version number retrieved in step 1.

8. Reboot to fastboot:

adb reboot bootloader

I could not move forward after 8, I will not post the steps from 9 to 11.

Here we go.... I have two troubles.

First, I am not sure of the timing of "pressing Volume Up, Volume, Down, and Power." Is it something I should do manually? If so, when should I do it. It seems like the Flyer automatically re-boots itself into "Recovery" without me forcing it.

As it is going into the "Recovery," there were two images popped up in a row. The first one looks like a SD disc, which moved quickly moved to the next image. The second image is a tablet with a red triangle, which has a exclamation sign in it.

THEN the procedure STOPS at the second image.

That is my first question. Does anyone have any idea of what's possibly going on?

My second starts here as well.

After not moving on, I decided to manually reboot the Flyer so I can move on to the Step 7.

Somehow I can pass the Step 7. But at Step 8, I got the message saying "Error: Device not found." So I tried "fastboot getvar cid" to see if the tablet is really not connected. But weirdly, the "fastboot getvar cid" worked. But I still get the same error message (device not found) whenever I run the code at step 8.

This is it. There are my two questions.

As I went through all 13 pages, many people were able to go through the procedure without any problem. Having those problem and taking considerable amount time to figure our what's going on and still not successful make me feel pretty stupid and extremely frustrated. Please someone put me out of this horrible misery.

I love my Flyer. But I am starting to understand why many of my friends paid a lot more $$$ to get their iPad.