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i605 Hard-Unbricking via KOBOL's Method :)

OP GiGaLeOnZa

28th October 2014, 03:51 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, 07:49 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 01:51 AM.
16th November 2014, 04:44 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, 01:50 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
28th January 2015, 06:53 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, 05:27 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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