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Motorola Droid razr M xt907 bricked after updating Stock Kitkat 4.4.2.


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#1 rajendra

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Posted 19 December 2014 - 09:57 AM

Dear Team,

I have Motorola droid razr m xt907 with unlocked boot loader & installed CM10 10.1.3 xt907 with recovery TWRP 2.5.0.0.Then i flashed Stock Jelly Bean 4.1.2,9.8.1Q-94-1 by using RSD lite successfully.After that I flashed Stock Kitkat 4.4.2 by using RSD liteV 6.1.4 .I get the error" Downgrade Security version,update gpt_main version failed

preflash validation failed for GPT."

So I update using OTA to Kitkat 4.4.2 (183.46.10) ,after downloading the update when I installed it,my mobile boot in boot mode selection menu, displaying Flashing error.

Soi tried to boot my mobile,but it starts & then shut down automatically.Then i boot my mobile in boot mode selection mode menu & select Recovery option(at that time mobile was 55% charged).The it starts installing the update showing Android on screen.When the update get finished my mobile displays black screen.Now i am unable to enter in boot mode selection mode by pressing Power,Volume up & down key.Nothing displayed on mobile screen.No Battery Indicator LED,also its not charging again.

If i connect it on my laptop in other devices it shows QHUSB_DLOAD.I think battery is drained & mobile is bricked.Please help to get my mobile in life.Any suggestion / help really appreciated.



#2 SamuriHL

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Posted 19 December 2014 - 10:05 AM

It's bricked, I'm afraid.  That QHUSB_DLOAD is a permanent brick.  So far no one's been able to unbrick one.  There is work being done here:

 

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I'd monitor that thread and perhaps join the conversation.


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#3 rajendra

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Posted 19 December 2014 - 10:22 AM

Samuri HL thanks for reply.Is there is any way to charge my mobile?



#4 SamuriHL

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Posted 19 December 2014 - 10:54 AM

Maybe but it wouldn't matter anyway.  Since you can't get back to AP Fastboot mode you can't flash anything at this point. But to charge it you MAY try shutting it completely off and plugging it into a wall charger.  No promises though.  You'll want to grab a factory adapter from team blackhat.


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#5 rajendra

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Posted 19 January 2015 - 01:09 AM

If i charged the Mobile,green LED glows for some time & then turned OFF,same if i connect it to laptop & press Power & Volume + buttons.Will Motorola Factory cable work.



#6 SamuriHL

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Posted 19 January 2015 - 02:45 AM

Work is a relative term. Will it power the device while it's plugged in? Yes. Is it some magic cable that'll restore your device? No. It'll still bw bricked.

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#7 spainter

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Posted 19 January 2015 - 02:53 AM

That would be the first step, factory cable and plug into a wall outlet.  If that doesn't work then search for "Team Blackhat adapter"



#8 SamuriHL

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Posted 19 January 2015 - 06:08 AM

That's what they were referring to... The adapter.

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#9 rajendra

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Posted 20 January 2015 - 08:44 AM

I have to make factory cable as its not available in India.I searched in google but unable to find contact details of Team Black hat.My queries are;

 

1) Mobile is hardware bricked or Software Bricked?If its hardware then which part is faulty? Mobile battery or  PCB/ board ?If i replace that will it boot & wok      normally.

 

2) Will my mobile boot in AP Fast boot mode if i use factory cable for charging?(from your comment it seems NO)

 

 

3) For charging, i have to connected factory cable to adapter & charge the mobile.

 

Pls suggest... :unsure  :unsure  :unsure



#10 SamuriHL

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Posted 20 January 2015 - 09:31 AM

Once again, a factory cable will NOT charge it.  It will only allow it to run while plugged in.  It does nothing at all for charging.  As for bricking, it's software bricked but in a state where you can't easily fix it (if at all).  It COULD be caused by a hardware failure, so, there's that possibility, too.  Search XDA for instructions on how to make the cable.  It's just a USB pinout.


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#11 rajendra

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Posted 22 January 2015 - 07:44 AM

Thanks.. i will update if i succeed.






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