Root kernel downgrade for s-off with moonshine : htc one sv boost

[ezagent]

I managed to flash TWRP 2.8 with fastboot. Rooted, yay, but... can't remove bloatware, need s-off, otherwise files deleted from /system/app folder return after restart.

Settings | About | Software number | 3.05.653.4
I assume this is my current rom version. There is no matching rom version available in the moonshine download list.

Since I have TWRP 2.8 can I flash a downgraded kernel (same as rom?), do the s-off procedure then reflash the 3.05.653.4?

I have Titanium Backup.

Need step-by-step.

Ideas?

 

[banderz777]

I used rumrunner universal and got S-OFF, look over in XDA ONE SV forum , and I was on JB 4.2.2

 

[ModdingMyMind]

K2_CL with 4.2.2 only!

To install:

fastboot flash boot boot.img

Write Protection Removed (Kernel)

Grab it from the link below:
http://d-h.st/IYV

If installed successfully you will see the following on your phone:

 

[ezagent]

I used rumrunner universal and got S-OFF, look over in XDA ONE SV forum , and I was on JB 4.2.2

[Q] S-Off HBOOT 2.21? | HTC One SV | XDA Forums

I assume this is the thread you're referring to. Let me see if I can find the correct link and instructions to use rumrunner universal. Thanks for the tip.

The thread above contains stability performance tips for someone like me, wading into rooting and modding this device.

 

[ezagent]

K2_CL with 4.2.2 only!

To install:

fastboot flash boot boot.img

Write Protection Removed (Kernel)

Grab it from the link below:
Dev-Host - WP_Removed_K2CL_422_Boot.img - The Ultimate Free File Hosting / File Sharing Service

The download link is the DOWNLOAD anchor text with black background above the big green bouncing arrow.

 

[ezagent]

Another question. Flashing boot, done correctly, is unlikely to affect existing apps and data on the phone, is that a fair assumption?

 

[ezagent]

Strike one... after flashing the boot.img device is still S-ON.

 

[ezagent]

I got it... so, Settings shows Write Protection REMOVED. Why does bootloader show s-on? If bootloader flag is s-on, am I really s-off?

 

[ezagent]

SUCCESS!! Using Titanium Backup I've deleted apps, rebooted and they're gone. Prior to flashing this boot img the apps deleted would repopulate. Thanks a zillion.

 

[ModdingMyMind]

SUCCESS!! Using Titanium Backup I've deleted apps, rebooted and they're gone. Prior to flashing this boot img the apps deleted would repopulate. Thanks a zillion.

Write protection prevents modifications to the system. So you either have to be S-Off or you have to use a custom boot.img where write protection is removed from the kernel.

You are welcome