[HELP] Urgent: Problem with Samsung s3 - Galaxy S III Q&A, Help & Troubleshooting

Hey,
I have a samsung S3, I9300. I used a version of cyangenmod, a lillipop one for a while but I got a lot of troubles with, everytime the phone is down, and crashing. Yesterday, I found it blocked, it doesn't want to go on.
I tried to use Odin to install a new android but I got a problem :
<ID:0/003> Odin v.3 engine (ID:3)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Can't open the serial(COM) port.
<OSM> All threads completed. (succeed 0 / failed 1)
I tried many versions of odin, used as administrator and nothing changed.
Please help me, I really need the phone for work tomorrow.
Thank you guys.

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Gate11 said:
Hey,
I have a samsung S3, I9300. I used a version of cyangenmod, a lillipop one for a while but I got a lot of troubles with, everytime the phone is down, and crashing. Yesterday, I found it blocked, it doesn't want to go on.
I tried to use Odin to install a new android but I got a problem :
<ID:0/003> Odin v.3 engine (ID:3)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Can't open the serial(COM) port.
<OSM> All threads completed. (succeed 0 / failed 1)
I tried many versions of odin, used as administrator and nothing changed.
Please help me, I really need the phone for work tomorrow.
Thank you guys.
Click to expand...
Click to collapse
Download another ROM preferably a KitKat Rom(Your choice). But since ODIN is blocked you'll have to flash it via your custom recovery. If you don't have a custom recovery:
Goto the Playstore
Download "TWRP Manager (ROOT)"
Open app
Grant Permission(on SU)
Select "Device Name"
Find "Samsung Galaxy S3 i9300"
Select "Recovery Version to install"
Select the latest one(The one very first at the top is latest available)
Hit "Install Recovery"
Make sure you have WiFi as it will now start to download the files..
If something like "Ensure the partition...... /dev/block/.." pops up; Hit "YES"

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exonerare said:
Download another ROM preferably a KitKat Rom(Your choice). But since ODIN is blocked you'll have to flash it via your custom recovery. If you don't have a custom recovery:
Goto the Playstore
Download "TWRP Manager (ROOT)"
Open app
Grant Permission(on SU)
Select "Device Name"
Find "Samsung Galaxy S3 i9300"
Select "Recovery Version to install"
Select the latest one(The one very first at the top is latest available)
Hit "Install Recovery"
Make sure you have WiFi as it will now start to download the files..
If something like "Ensure the partition...... /dev/block/.." pops up; Hit "YES"
Click to expand...
Click to collapse
The problem is that the phone is blocked, i can't access or turn on. Only Download mode

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Gate11 said:
The problem is that the phone is blocked, i can't access or turn on. Only Download mode
Click to expand...
Click to collapse
Sounds like the phone is bricked.
You have to return to stock S3 via download mode and start the rooting again if ODIN still works in Download Mode.
Do you know how to?

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exonerare said:
Sounds like the phone is bricked.
You have to return to stock S3 via download mode and start the rooting again if ODIN still works in Download Mode.
Do you know how to?
Click to expand...
Click to collapse
No, i don't know, I installed unofficial cyagenmod via odin but it's not working now

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Gate11 said:
No, i don't know, I installed unofficial cyagenmod via odin but it's not working now
Click to expand...
Click to collapse
Follow this video https://www.youtube.com/watch?v=4NMTWvXQPjk
Read the description.
Good Luck.

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exonerare said:
Follow this video
Read the description.
Good Luck.
Click to expand...
Click to collapse
That's what I was doing actually, i'm trying to download a new ROM now.

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doesn't work, any other idea please?

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<ID:0/004> Added!!
<ID:0/004> Odin v.3 engine (ID:4)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> SingleDownload.
<ID:0/004> sboot.bin
<ID:0/004> NAND Write Start!!
<ID:0/004> FAIL!
<ID:0/004>
<ID:0/004> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

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@Gate11: try to repartition, Link
Take 4.3-set, of course, and if it contains no PIT-file, take this from 4.1.

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rp158 said:
@Gate11: try to repartition, Link
Take 4.3-set, of course, and if it contains no PIT-file, take this from 4.1.
Click to expand...
Click to collapse
The links are dead :/

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@Gate11, they aren't dead. They're Mega-links, download via your PC-browser or Mega-app.

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rp158 said:
@Gate11, they aren't dead. They're Mega-links, download via your PC-browser or Mega-app.
Click to expand...
Click to collapse
I know me.ga but the files were deleted.

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@Gate11, shame, then take this german site to download or search by yourself.