[GUIDE] S6 Edge Unbrick Guide - Galaxy S6 Edge Q&A, Help & Troubleshooting

Hello XDA,
I did brick my phone by trying to downgrade to 5.0.2 from 5.1.1 and bricked my phone and searching this forum I felt that there should be a post like this to ease the journey of people like me. As I did learn a lot from my 5 years android journey, I would like help everybody like me. Therefore if I find any important/"you may not know" fixes, I will share here with headings. Also If you have another solutions for any problems of these kind; please write here so I can collect em' all in the OP. Let's go!
-ODIN fail while flashing hidden.img-​
Solution: This is caused because of your partition(pit). In XDA, you can find .pit files of S6 Edge for several models (i.e. I have a g925f so i have to find the corresponding pit file. The one worked for me was the G925F pit with Hidden_300M. First you flash this pit to your phone, then try to flash your rom; you're good to go!
Solution 2 Thanks to @Alex-V : Just delete the hidden.img from the rom.
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-If you can't properly enter to recovery mode-​
Solution: Please do the combo "Volume Down-Home-Power" until you reach download mode. When you reach there again do the same combo until the screen goes off. When it goes off QUICKLY switch to "Volume Up-Home-Power" combo and hold it until the screen comes in and dims a bit. When it dims release all buttons and ta-da you're in recovery mode.
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-ODIN gives a fail at NAND write-​
Solution: This problem is caused because of the nand mismatches (generally, or build differences etc.). Doing this may cause a hard-brick IF YOU DON'T follow the instructions CAREFULLY.
1) Get your device to download mode by using this combo "VolumeDown-Home-Power"
2) Open an UP TO DATE ODIN.
3) Find the corresponding .PIT file for your S6 EDGE.
4) Find the corresponding stock rom for your S6 EDGE.
5) Then put them into odin CORRECTLY. Rom to "AP", .pit to PIT
6) Make Sure these are checked: "Re-partition","NAND all erase"
7) Plug your device in and then press start.
After these you should be already flashed correctly without any nand write fail.
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-SW REV CHECK FAIL DEVICE: 2 BINARY:1-​
This happens when you try to downgrade from 5.1.1... Thanks to Samsung, we can not downgrade to repair our phones or save them because of the locked bootloader. So you have to flash to 5.1.1 again.

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If anyone with a working rooted phone, can he/she share his/her own nand backup, so people with screwed boots can recover

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or simple delete the hidden.img

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Added to the post, thanks mate. Also looking for how to fix corrupted sdcard (theres no mmcblk0x file)

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Hi,
I'm following your advice to try and overcome my S6 Edge's issue with failing to NAND write but I am still getting the same NAND write fail. I have another post detailing the issue here http://forum.xda-developers.com/showpost.php?p=67930722&postcount=5 if you want more info but I'll just post the Odin log here too just in case you can spot where I went wrong.
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> G925W8VLU1AOCG_G925W8OYA1AOCG_G925W8VLU1AOCG_HOME.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/007> Added!!
<ID:0/007> Odin engine v(ID:3.1005)..
<ID:0/007> File analysis..
<ID:0/007> SetupConnection..
<ID:0/007> Initialzation..
<ID:0/007> Erase...
<ID:0/007> Set PIT file..
<ID:0/007> DO NOT TURN OFF TARGET!!
<ID:0/007> Get PIT for mapping..
<ID:0/007> Firmware update start..
<ID:0/007> SingleDownload.
<ID:0/007> sboot.bin
<ID:0/007> NAND Write Start!!
<ID:0/007> FAIL!
<ID:0/007>
<ID:0/007> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
My device is an S6 Edge G925W8. Thanks.

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Please Respond
Malganor said:
Hi,
I'm following your advice to try and overcome my S6 Edge's issue with failing to NAND write but I am still getting the same NAND write fail. I have another post detailing the issue here http://forum.xda-developers.com/showpost.php?p=67930722&postcount=5 if you want more info but I'll just post the Odin log here too just in case you can spot where I went wrong.
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> G925W8VLU1AOCG_G925W8OYA1AOCG_G925W8VLU1AOCG_HOME.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/007> Added!!
<ID:0/007> Odin engine v(ID:3.1005)..
<ID:0/007> File analysis..
<ID:0/007> SetupConnection..
<ID:0/007> Initialzation..
<ID:0/007> Erase...
<ID:0/007> Set PIT file..
<ID:0/007> DO NOT TURN OFF TARGET!!
<ID:0/007> Get PIT for mapping..
<ID:0/007> Firmware update start..
<ID:0/007> SingleDownload.
<ID:0/007> sboot.bin
<ID:0/007> NAND Write Start!!
<ID:0/007> FAIL!
<ID:0/007>
<ID:0/007> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
My device is an S6 Edge G925W8. Thanks.
Click to expand...
Click to collapse
I am also getting the exact same thing. I Put in the pit file like instructed as well as the correct rom... still get the same NAND WRITE START.
Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> G925W8VLU1AOCG_G925W8OYA1AOCG_G925W8VLU1AOCG_HOME.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/003> Odin engine v(ID:3.1005)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Erase...
<ID:0/003> Set PIT file..
<ID:0/003> DO NOT TURN OFF TARGET!!
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> SingleDownload.
<ID:0/003> sboot.bin
<ID:0/003> NAND Write Start!!
<ID:0/003> FAIL!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)