Problems with root

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I have been trying to root my phone. I ended up downgrading my phone back to 2.1, but when I try to flash a rom using the update.zip I end up getting the following errors:
E:Can't open /cache/recovery/command (this comes up before even trying to run the update)

--Install From sdcard...
Finding update package...
Opening update package...
Verifying update package...
E:signature verification failed
Installation aborted.

I don't have root access. I haven't really found a method that I could understand fully. I want to flash a much better rom on this device. Any help would be greatly appreciated.

I too am having problems rooting. Here is an output from adb of what is going on with me. I imagine it is something pretty simple.

$ cd /data/local
$ chmod 04755 *
$ /data/local/flash_image misc /data/local/mtd0.img
[1]   Illegal instruction     /data/local/flash_image misc /data/local/mtd0.img
$ chmod 04755 * /data/local/flash_image misc /data/local/mtd0.img
Unable to chmod misc: No such file or directory
$

Thanks!

Illegal instruction

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Originally Posted by danipoak

I too am having problems rooting. Here is an output from adb of what is going on with me. I imagine it is something pretty simple.

$ cd /data/local
$ chmod 04755 *
$ /data/local/flash_image misc /data/local/mtd0.img
[1]   Illegal instruction     /data/local/flash_image misc /data/local/mtd0.img
$ chmod 04755 * /data/local/flash_image misc /data/local/mtd0.img
Unable to chmod misc: No such file or directory
$

Thanks!

I am having the same problem with the above error:
cd /data/local
$ chmod 04755 *
$ /data/local/flash_image misc /data/local/mtd0.img
[1] Illegal instruction /data/local/flash_image misc /data/local/mtd0.img

I am definitely a noob and could use a little help to get this old phone rooted so I can flash CyanogenMod 7.2.

Thanks,
Dan
My Touch 3G Slide on T-Mobile moving to AT&T

Me too...

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Originally Posted by dav8or

I am having the same problem with the above error:
cd /data/local
$ chmod 04755 *
$ /data/local/flash_image misc /data/local/mtd0.img
[1] Illegal instruction /data/local/flash_image misc /data/local/mtd0.img

I am definitely a noob and could use a little help to get this old phone rooted so I can flash CyanogenMod 7.2.

Thanks,
Dan
My Touch 3G Slide on T-Mobile moving to AT&T

Same issue here when running flash_image.

Prior to attempting to run it, though, I can't get the "rageagainstthecage-arm5.bin" to work correctly. When I run it, debug mode never comes back until I reboot the device. So, I tried using superoneclick to root it, assuming that grants enough permission to run flash_image, so I'm not sure if this issue is related or not. (FYI: I'm using the cyanogenmod instructions, which I assume you're trying to do too). (Superonecliek DOES give me a root prompt [#])

Anybody have any ideas?

Re: Problems with root

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Google search "install flash_image binary android"

Sent from my Nexus 7 using xda premium

Originally Posted by demkantor

Google search "install flash_image binary android"

Sent from my Nexus 7 using xda premium

I have tried googling that, and almost every possible combination of "espresso, android, s-off, root, flash_image, misc, etc.".

I have tried at lease 4 different root methods:
One gets stuck at "adb push exploid /sqlite_stmt_journals" erroring: "failed to copy 'exploid' to '/sqlite_stmt_journals': Read-only file system"
One gets stuck at the place i described in my prior post.
Others fail otherwise.

One thing I haven't tried is factory resetting the phone (clear user data) before trying.

I've spent hours and hours researching and trying things for this. Just keep getting stuck.

I'll see how it goes from scratch tonight (forgot to bring my microSD card with me today).

Solved on my end, if anyone else is wondering...

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Originally Posted by mobrien118

One thing I haven't tried is factory resetting the phone (clear user data) before trying.

I'll see how it goes from scratch tonight

For some reason, factory resetting was the key.

Thanks for the suggestion to google, though.