Honeycomb to gingerbread downgrade for Official OTA [Procedure up]

[globatron]

WARNING: This procedure applies to View only
If you are S-OFF on honeycomb, do not under any circumstances run this procedure.

Don't bother asking for help if you try to do this on a virtual machine, you won't get any
run on a real machine.

If you updated using the Official OTA and want to downgrade to GB this is the procedure you want.

1. Perform a HTC unlock using the HTC unlock website
2. Download this recovery MD5: cb0683f249e6ad2d754949719104c1a8
3. Boot the view to fastboot mode
4. Flash recover
   

   fastboot flash recovery cwm-4.0.1.4-express-HC.img

5. Reboot to recovery
6. Proceed with the downgradre procedure below.

Downgrade

1. First download the RUU for the view: (Download here) (Zip version for Linux/MacOS)
2. Download and extract misc_version from this file
3. From the screen on the view, select "Mounts and storage->Mount sdcard"
4. Run the following commands:
   

   adb push misc_version /
   adb shell chmod 777 /misc_version
   adb shell /misc_version -s 1.22.651.1

   You will see a message about backing up and patching partition 29
   
5. Reboot to fastboot:

   adb reboot bootloader

   
   
   [*]Relock the bootloader:

   fastboot oem lock

6. Run the RUU
   
   How to run RUU for Linux/MacOS:
   

   fastboot erase cache
   fastboot oem rebootRUU
   fastboot flash zip RUU_Express_Sprint_WWE_1.22.651.1_Radio_1.05.11.0531_NV_2.28_SPCS_release_198141_signed.zip
   [color=blue][i]You will get error 90 after this first flash, so flash again[/i][/color]
   fastboot flash zip RUU_Express_Sprint_WWE_1.22.651.1_Radio_1.05.11.0531_NV_2.28_SPCS_release_198141_signed.zip

At this point you can perform a Revolutionary S-OFF and re-upgrade to Honeycomb with S-OFF if you so wish.

 

[globatron]

Reserved for me.

 

[globatron]

Also reserved for me

 

[SteveDusa]

Globaltron

I think I will need your help regarding this now... I'm stuck at the situation where I will have to go back to the stock GB as somehow my copy of HC is bad and a restore/recovery is impossible (somehow a mismatched MD5), now I'm stuck the recovery as I am not sure if the GB would work on a HC HBoot.

 

[globatron]

What exact hboot do you have?

 

[globatron]

Procedure added.

 

[Printerscape]

At this point you can perform a Revolutionary S-OFF and re-upgrade to Honeycomb with S-OFF if you so wish.

On your "[View]S-OFF Honeycomb, Custom recovery, root" topic, you wrote:

Do not perform this procedure if you are HTC unlocked, it will not work

So how would I upgrade to S-OFF Honeycomb, if one of the steps for HC->GB downgrade is to use the HTC unlock? Or is step 5 ("Relock the bootloader") undoing the HTC unlock?

 

[globatron]

Step 5 covers that.

 

[Printerscape]

Download this recovery download MD5: cb0683f249e6ad2d754949719104c1a8
[*]Boot the view to fastboot mode
[*]Flash recover

fastboot flash recovery cwm-4.0.1.4-express-HC.img

There is no "cwm-4.0.1.4-express-HC.img" in the compressed archive linked >.>.

 

[globatron]

ok, give me a sec...

EDIT: Fixed

 

[GODZSON]

Nice Job sir, Thanks for the development and share

 

[Maine_Coon]

Just a suggestion to Globatron:
When/if you build RUU for the downgrade, maybe it will be possible to check first whether the device is s-off in HC and if so, refuse to run.

Trying to save some support time.

 

[Printerscape]

Upon running the RUU, I get:
"ERROR [140]: BOOTLOADER VERSION ERROR - The ROM Update Utility cannot update your Android phone. Please get the correct ROM Update Utility and try again."

What I did:
HTC Unlock (bootloader says ""UNLOCKED", and "S-ON")
Get into FASTBOOT, then:

C:\Android>fastboot flash recovery cwm-4.0.1.4-express-HC.img
  sending 'recovery' (4712 KB)... OKAY [  0.624s]
            writing 'recovery'... OKAY [  0.703s]
finished. total time: 1.328s

Then reboot bootloader, enter recovery (blue "REVOLUTIONARY" cwm), then:

C:\Android>adb push misc_version /
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
3581 KB/s (454748 bytes in 0.124s)

C:\Android>adb shell chmod 777 /data/local/tmp/misc_version
chmod: /data/local/tmp/misc_version: No such file or directory

C:\Android>adb /misc_version -s 1.22.651.1
Android Debug Bridge version 1.0.26
<bunch of how-to use ADB messages>

I think the problem is right there; what am I doing wrong?

 

[globatron]

Nothing it's my error, I mis-edited an update.

ok, updated now, also note the addition of step 3 ( you can run that at any point before the last command in step 4 )

 

[Printerscape]

Nothing it's my error, I mis-edited and update.

adb /misc_version -s 1.22.651.1

Running that just gives a massive "how to", such as (excerpt):

C:\Android>adb /misc_version -s 1.22.651.1
Android Debug Bridge version 1.0.26

 -d                            - directs command to the only connected USB device
                                 returns an error if more than one USB device is present.
 -e                            - directs command to the only running emulator.
                                 returns an error if more than one emulator is running.
 -s <serial number>            - directs command to the USB device or emulator with the given serial number. Overrides ANDROID_SERIAL

And nothing about backing up / patching partition 29 >.>.

 

[sinner1168]

adb shell chmod 777 /data/local/tmp/misc_version

Question, after i run this command, I get No such file or directory.

Did i do something wrong?

Edit Sorry I see someone else already posted that

 

[globatron]

yea fixed...it's very late here so a few mistakes crept in. It should be all good now. I've gone back over it line by line this time.

 

[globatron]

Just a suggestion to Globatron:
When/if you build RUU for the downgrade, maybe it will be possible to check first whether the device is s-off in HC and if so, refuse to run.

Trying to save some support time.

Not possible to do it in that way, but yeah.

 

[Printerscape]

Thank you! It worked, and I am now back to Gingerbread =D.

 

[sinner1168]

OUTSTANDING!! Worked for me as well Thanks!!