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Go Back   GSM-Forum > Product Support Sections > No More Supported Solutions (Dead Products) > No More Supported H/W Products > Advance-Box

 
 
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Old 01-15-2014, 08:59   #1 (permalink)
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"Qualcomm Bootloader" for WP8 Lumias?


Hi there,

in WP7 days, i was very happy that you guys released the qualcomm bootloader for the Lumia 800. I personally didn't use it for SIM-unlocking my device, but i loved to cook my own custom roms and enjoyed having my Lumia 800 "rooted".

So, the "unlocking" process on WP8 Lumias is kind of "stucked"...
And it seems there'll never be either root, or Interop Unlock.
That's pretty sad, as i'm really enjoying my Interop Unlocked ATIV S.

So, i would like to know:

Are you guys working on something like InteropUnlocking Lumia phones?
Could there maybe be a way like on Lumia 710/800 with that qualcomm bootloader stuff?
Maybe there could be done something with ATF JTAG?
Like boot-repairing a "modified" boodloader?


If there is no success in software-methods, i would love to try your hardware-solutions ;-)


As i have no idea, pls let me know!
 
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Old 01-17-2014, 08:57   #2 (permalink)
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So there's no way to write InteropUnlock values to registry via ATF?
 
Old 01-22-2014, 16:37   #3 (permalink)
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Did i write my question too "weird" ?

Well then, last bump, before i'll stop hoping for a good answer ;-)
 
Old 01-22-2014, 17:09   #4 (permalink)
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Hi, we don't have anything right now for Lumia WP8 Qualcomm bootloader/rooting.

BR
 
Old 01-22-2014, 18:11   #5 (permalink)
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but are you guys plannig or working on it?

Or there's no chance at all?
 
Old 01-23-2014, 10:57   #6 (permalink)
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Hi, yeah, we working on lumia phones already...

BR
 
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Old 01-23-2014, 19:11   #7 (permalink)
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ok, thanks. hoping to hear good news soon then....
 
Old 01-24-2014, 10:31   #8 (permalink)
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Quote:
Originally Posted by ..::Angel::.. View Post
Hi, yeah, we working on lumia phones already...

BR
GREAT!! This gives hope
Keep up the good work, guys!

Btw, i have another quesion:

How does this JTAG connection work, or better said, what is this JTAG connection exactly?
Because on xda-developers i read, that on retail phones, JTAG fuses are ****n...
What does this mean? why does it not matter for atf jtag that the fuses are ****n?
Or does this mean that atf jtag only works on developer phones and not on retail ones?
Sry, i don't understand

And as i can repair boot via ATF JTAG, am i theoretically able to restore a modified bootloader this way?
I guess we simply don't have such a modified one right now, right? ;-)

And i watched the dolphin clip videos for jtag.
In this videos, i can see a "quick-fix.afp" file and a "full-boot.afp" file.
What is the difference to the "big-boot.afp" files?
So, let's say i want to boot-repair a lumia 920, is it enough to use the "big-boot.afp" file?

Sry for many questions.
Thx in advance!
 
Old 01-24-2014, 11:09   #9 (permalink)
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oh, forum software censor the word bl0w.
I didn't mean it in any rude context, what i wrote was that "on retail phones, JTAG fuses are bl0wn" (meant in a case of "broken" by nokia)
Sry
 
Old 01-25-2014, 08:18   #10 (permalink)
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@lordmaxey

Most retail phones including Nokia have m_debug_all ****n... But with some
simple well known technique, you can bypass this as to enable JTAG debug and
memory access.

There are no "modified boots" because WP8 Lumias all use SECURE BOOT 3.0.
Well as Lumia 800, 900 and 710 did not implement secure boot at all (fuse not bl0wn).

So in reality, you can put android in 800, 900 and 710 if you really wanted to.... but the
same cannot be said when it comes to WP8.

I am working on a QFUSE hack as of this moment. But still too early to say what can be
achieved.


B.R.
 
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Old 01-25-2014, 08:48   #11 (permalink)
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Ok, thx for your answer.
Good to hear, that you are working on it and didn't give it up

This keeps user hopes up!
 
Old 01-25-2014, 21:00   #12 (permalink)
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Quote:
Originally Posted by Advance-Box View Post
I am working on a QFUSE hack as of this moment. But still too early to say what can be
achieved.

B.R.
Mh... that is a great news..... does it mean we will see a 620 unlock procedure soon???

Cheers
 
Old 02-12-2014, 09:17   #13 (permalink)
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Hi x-shadow,
just another thought came through my mind:

Is it possible to make a "full dump" of whole emmc with atf?
Can this be done with JTAG, as this seem to be easy to solder.

So my thought was:
1. soldering jtag connection to lumia 920
2. dumping emmc
3. trying to "mount" dump file with pc
4. modify reg values to interop unlock
5. write back via jtag

So, is this total nonsense?
Is it possible to write to emmc via jtag?
Or is it "just" possible to write boot partition via jtag?

if i assume this might work, maybe just secureboot would detect the modified rom and phone simply won't boot?
Would it be possible to disable "secureboot" that way?

Probably not, but i hope you can describe this a little to me

Thank you!
 
 

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