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i605 Hard-Unbricking via KOBOL's Method :)

28th October 2014, 02:51 AM |#51  
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Wink Downgrade bootloader from 4.3 to 4.1.2
I was successfully able to downgrade my bootloader using this method. I was on locked bootloader and firmware 4.3. After using this method i was able to flash 4.1.2 firmware.
 
 
15th November 2014, 06:49 PM |#52  
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@GiGaLeOnZa
Anyone able to downgrade from 4.4.2 locked bootloader?
Or any idea if the 4.3 file could work to downgrade from 4.4.2?
Last edited by Hälftebyte; 16th November 2014 at 12:51 AM.
16th November 2014, 03:44 PM |#53  
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Okay, so I attempted this. My phone is opened right now as I speak. I held the tool, got a white screen, but the screen was on for 2 seconds, and then it booted into 4.4.2. I used the 4.1.2 i605.img file provided by the Original Poster of this thread.

Is it somehow possible that the bootloader was pre-unlocked from the i605.img and boots the 4.4.2 rom because it's not checking the signature? Or did it just fail and nothing has changed? I couldn't see any text, but then I couldn't see the screen all that well at the angle I was doing this at. I'd like to know what you think before i reassemble this phone.

I could reassemble and try to flash a recovery. If it boots custom recovery then I suppose i'm on a 4.1.2 bootloader. If not then I suppose it failed. Would like to know what you think of the white screen for 2 seconds. Do I need to try and keep the white screen on longer? I'm wondering if maybe the white screen was on from shorting but then slipped and it didn't finish? I have no idea.

---------- Post added at 10:44 AM ---------- Previous post was at 09:57 AM ----------

Okay, I reassembled. Booted into 4.4.2. Flashed recovery. Then tried to boot into recovery. Got Verizon unauthorized error. Figured maybe signature problem Attempted to odin to 4.1.2. Same error. so I guess this method did not work on a 4.4.2 device. Only choice now is to odin back to 4.4.2.
20th November 2014, 12:50 AM |#54  
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Imo unless you can see what's going on with the screen you won't know if it works or not. Shorting the resistor can be hit or miss so you need to see if the writing came up on the screen

Gesendet von meinem SAMSUNG-SCH-I605 mit Tapatalk 2
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28th January 2015, 05:53 AM |#55  
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Thumbs up
Quote:
Originally Posted by GiGaLeOnZa

Did you hard brick your Verizon Note 2? Flashed the wrong boot loader, now you're bootlooping and ODIN can't save you??

Thank you, adding what the screen looks like upon completion of SDCard so people will know what to look for. Use it freely. Thank you again!
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28th January 2015, 04:27 PM |#56  
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Thanks for the pic!
Quote:
Originally Posted by drarkanex

Thank you, adding what the screen looks like upon completion of SDCard so people will know what to look for. Use it freely. Thank you again!

That is EXACTLY what you're looking for, people! Thanks for posting that pic, after booting up my phone I realized I hadn't captured that screenshot and wish I had.

FYI people, I screwed up my phone so many months back with the wrong STOCK ROM. I had the N7105 image that had the bootloader, modem, rom, etc. This will re-write the stock verizon I605 bootloader. You THEN can boot up your phone ODIN flash a stock 4.1.2 full system image for our phones. THEN you can root using Casual, install TWRP recovery again, THEN you can re-flash your ROM backups, custom roms from scratch, etc.

This is not a means to fix just one issue, it is a means to unbrick your fubar'd bootloader back to the stock 4.1.2 bootloader. What you can do from there, or what you plan to do and may succeed/fail at, is unknown as all of our phones are in different states.

It appears at least 3 people have been able to downgrade the bootloader which is pretty cool I'm rocking the 6+ since Christmas and my Note 2 is a freshly refurbished Verizon replacement I received right before getting it. Going to sell it and make a couple $$ vs. ripping it apart to see if this can be doneso I won't be able to add any other relevant info to ths thread. I am happy this thread has helped a few people and I look forward to seeing others succeed in repairing and un-bricking their I605's! Good luck to all
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1st February 2015, 10:45 AM |#57  
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Quote:
Originally Posted by GiGaLeOnZa

Did you hard brick your Verizon Note 2? Flashed the wrong boot loader, now you're bootlooping and ODIN can't save you??

Just wanted to say that I was def. hard bricked. What had happened was I flashed a bootloader on my i605 and i didn't check the MD5 on it. was a bad download and I found out the hard way. This fix needs to be made a sticky in case there are some hard bricked note 2's running around. Thing is I flashed the bootloader via odin, after it flashed it, it rebooted my phone to a black screen. Since samsungs are known for their really dark screens, you can't tell if the phone is powered on at all if the bootloader is hosed. There was nothing physically wrong with my phone, just the bootloader was hosed and never flashed anything on the screen. Until I found this post, my phone sat in my drawer for a week. I can't tell you how excited I was when I saw the SDCard mode screen come up because that was the first sign of life i saw out of this phone in a week. I mean, NOTHING came up on the screen prior to this fix. Bootlooping is one thing, if you can get to download mode, you are soft bricked. Mine was def. hard bricked. Thank you again.
22nd March 2015, 03:53 AM |#58  
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Thumbs up sd card boot
Quote:
Originally Posted by GiGaLeOnZa

17) Power up your phone and you should be greeted with the "Verizon has detected..." blah blah unauthorized software. AWESOME AND CONGRATS! Pull the battery and boot to Download/ODIN mode.

** NOTE ** I have NO IDEA if you can downgrade during this process, no one in KOBOL's thread had yet to confirm as of this writing. Flash whatever you're coming from, you went this far to Un-brick your phone, why do it again? If you went to 4.3, deal with it and restore 4.3 Coming from 4.1.2? restore 4.1.2 then! Besides SafeStrapping is coming soon

18) Restore your phone with a working ODIN image, whether it be a stock keis image, your favorite ODIN image (root66 ODIN is great) etc. etc.

19) After the ODIN restore is complete, you may boot loop but this is normal, you need a factory reset. Pull battery, boot recovery, do a factory reset. You'll be OK now!

20) BASK IN THE GLORY OF YOUR RESTORED VERIZON GALAXY NOTE 2!

I'm sorry I don't have any of my own pictures, it was nerve-racking enough just to get through this and have enough hands to do it. Waking up my girlfriend so I can ask her "hold the battery just like this..." at 2 AM would have been a bad idea..

MANY, MANY, MAAAANY thanks to KOBOL for engineering this very clever recovery process... I would be out a phone right now or shopping online for JTAG devices. All the while be at work with no phone tomorrow and the next day while I wait for a replacement phone to arrive. To think I have insurance and most likely would have been fine to get a replacement (sent rooted & unlocked phones back several times no issues) I did this all so I wouldn't be without my phone for 36 hours!!

May this guide be helpful to even ONE PERSON... please give thanks, and more importantly, message KOBOL and ask him how to send a donation, I will be doing so myself!

Best of luck to all.

Hello i was trying to do this today with no luck i used some tweezers maybe scredriver is better, did you use just one screw driver and which resistor you need to touch both of them ? It was very great write up man...Also do you remember which of his image files did you use i am little confused i605 i605mj9 or Esf , we need to write just one image to sd card right? do you remember which you used ?
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