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Bought used, rooted S4. Am I unlocked?

OP eaglet1223

20th July 2014, 02:15 AM   |  #1  
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Before I get people in here looking to "flame a noob", please leave me alone if that is your intention. If you genuinely are a helpful person, please read on.

I came from an unlocked s3 before I purchased a phone from Swappa and it is rooted and works fine. However, it has a pink theme and I am not into it. Additionally, I want to upgrade the rom if possible.

The issue is that I don't know if I need safestrap or of it has an unlocked bootloader. The reason why is from what I have read, the mj7 baseband is locked down. However, the phone seems to be running a custom kernel, which from what I have read is not possible on a locked down version. Is it possible that the baseband is just the one used by the custom rom?

Is there a definitive way to know if I can install roms without safestrap?

Thanks for your help!

Sent from my SCH-I545 using XDA Premium 4 mobile app
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20th July 2014, 02:25 AM   |  #2  
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Install phone info app from play store. If you don't see any reference to mdk...then you have a locked bootloader and can only use safestrap

sent by safestrap powered echo v26
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20th July 2014, 04:22 AM   |  #3  
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I'm no pro, but I think having that kernel means that you have a mdk phone. I guess you should still check with "samsung phone info" and take a look at the bootloader part. You might be a lucky man
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20th July 2014, 04:23 AM   |  #4  
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You rock. I installed the app and found this. It seems that I have the MDK bootloader. Perfect.

Thank you!

Sent from my SCH-I545 using XDA Premium 4 mobile app
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20th July 2014, 08:17 AM   |  #5  
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Quote:
Originally Posted by eaglet1223

You rock. I installed the app and found this. It seems that I have the MDK bootloader. Perfect.

Thank you!

Sent from my SCH-I545 using XDA Premium 4 mobile app

Wow talk about lucky! You'll be able to flash any ROM you want, even AOSP.

Sent from my SCH-I545 using Tapatalk
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20th July 2014, 08:59 AM   |  #6  
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Quote:
Originally Posted by eaglet1223

You rock. I installed the app and found this. It seems that I have the MDK bootloader. Perfect.

Thank you!

Sent from my SCH-I545 using XDA Premium 4 mobile app

You are one of us lucky ones. Just a golden rule for MDK users.......NEVER take an OTA update. I recommend vanir ROM if you want to try aosp.

Sent from my SCH-I545 using XDA Free mobile app
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20th July 2014, 08:54 PM   |  #7  
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Guys, just wanted to say thanks again. I was able to install Hyperdrive on my S4 with TWRP, just like I used to on my s3. This is awesome. Thanks for everything.

Sent from my SCH-I545 using XDA Premium 4 mobile app
21st July 2014, 01:47 AM   |  #8  
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No problem...

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