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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > Octopus/Octoplus > Octopus Samsung/Octoplus Samsung

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Old 09-23-2013, 17:53   #1 (permalink)
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i9300 XXEMG4 back to older firmware


Dev-Host - EFSv2_basebands.zip - The Ultimate Free File Hosting / File Sharing Service CWM flash (aroma installer) for downgrade baseband... After upload older firmware. After make unlock etc..
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Old 09-23-2013, 21:28   #2 (permalink)
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If you are downgrade the fitmware, then doing unlock (on the 00499 imei) and then restoring the modem with this file, I think is asking for the code again.
Did you managed to unlock in this way? (Without need to repair imei)
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Old 09-24-2013, 12:43   #3 (permalink)
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yes u can unlock...........
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Old 09-24-2013, 13:01   #4 (permalink)
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I will try and update.
Just to be sure that i'm doing the right steps.
1. Flash a full older firmware. (Which one?)
2. Root manually.
3. Unlock.
4. Flash the new modem back. (MG2 or MG4?)

Is that correct?
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Old 09-24-2013, 13:03   #5 (permalink)
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first uplod root(with recovery) after uplaod baseband in recovery after upload sample ı uploading I9300XXEMD3 after make again root after what u want..
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Old 09-24-2013, 13:11   #6 (permalink)
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I do not understead.
The phone alerdy came with XXEMG4 firmware. (Pda and modem)
What to do first?
Downgrade to MD3 and then unlock, or first unlock and then downgrade.
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Old 09-26-2013, 14:21   #7 (permalink)
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if u want downgrade first baseband downgrade after firmware downgrade
https://hotfile.com/dl/247417575/447...bands.zip.html
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