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[Q] CM 11.0 (Kitkat 4.4.2) downgrade to stock ROM?

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zhangla
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Question [Q] CM 11.0 (Kitkat 4.4.2) downgrade to stock ROM?

I have CM 11 flashed on my phone that is rooted. I wanted to downgrade back to any stock ROM for SIM card unlocking purposes. Obviously the CM 11 does not allow SIM card unlocking even with valid unlocking code.

My question is, is that possible? I think the CM 11 upgraded the modem and bootloader, which means there is no way back to older versions.

Can someone please provide some insights? Below are the settings of my phone:


 
tarick09
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Use odin and flash back to 4.3
Samsung Galaxy S III I747M
1.5 GHz Dual Core S4 Processor
Adreno 225 GPU
2 GB RAM
4.8 inch 1280*720 Display

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HTC One XL, Apple iPhone 3GS, Nokia N81, Nokia N70, Nokia 6600
 
swaroop4s
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I'm on cm11 too. Can I simply flash a 4.3 modem and bootloader?

Sent from my SAMSUNG-SGH-I747 using XDA Free mobile app
 
audit13
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Since you have the 4.3 bootloader on your phone, you came flash any stock ROM in Odin unless that ROM had been compiled for use in Odin. Flashing a ROM that tries to downgrade the bootloader will brick your phone. Look in the development forum for methods to flash back to stock on a phone with a 4.3 bootloader.
 
VancouverGreek
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Can someone confirm that we can downgrade via ODIN.... i want to reset my phone back to its original settings.

I am in the same boat as the OP
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