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i9505 Downgrade to 4.3 and ROOT knox 0X0

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By LEENO, Senior Member on 23rd June 2014, 08:36 PM
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I successfull downgraded i9505 from 4.4.2 FNC4 to 4.3 MKF and rooted it.
Knox still 0X0

1) Flash i9505_Downgrade_43_by_Leeno_.tar
2) Flash i9505_downgrade43_step2.tar
3) wipe data (if you don't wipe data s4 will hang at startup logo)
optional - root with .bat saferoot

After those steps, i9505 will have full working mkf version missing mkf bootloader.
Bootloader will not downgrade

if you want update to 4.4.2 or newer 4.3 than mkf and keep root and knox 0X0:
1) install mobile odin and open it
2) select option:
- "ever root" and
- "reboot in download mode"
3) select firmware and write. At the end it go in download mode, don't power on it
4) Flash only boot with odin from pc


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23rd June 2014, 09:57 PM |#2  
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First! would this work on other variants such as the M919 T-mobile?
23rd June 2014, 10:00 PM |#3  
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Quote:
Originally Posted by youngwake

First! would this work on other variants such as the M919 T-mobile?

Give me mega link for the stock firmware, i will check

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23rd June 2014, 10:09 PM |#4  
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here you go sir..this is the 4.3 odin Tar by Jovy23 for the T-Mobile M919

M919UVUEMK2_M919TMBEMK2_M919UVUEMK2_HOME.tar.md5

http://www.androidfilehost.com/?fid=23252070760973266



and this is the 4.4.2 stock odin M919
http://www.cheatersedge.org/android/...ENNY_FIXED.zip
23rd June 2014, 10:10 PM |#5  
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could you uploading to somewhere else ? like Google driver or AFH ?
23rd June 2014, 10:13 PM |#6  
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I'm uploading to mega

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23rd June 2014, 11:13 PM |#7  
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May i ask you where you applied the mods ,to stock firmware, i guess?? I am soooo curious to know how you archieved this! I don' t have an s4 anymore but could be usefull for some friends 😉

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23rd June 2014, 11:18 PM |#8  
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Why would anyone want to downgrade if you can simply root without all the hassle using geohot's towelroot (http://towelroot.com) up till NF1, and still keep KNOX 0x0?
23rd June 2014, 11:26 PM |#9  
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1) 4.3 is not battery drainer
2) safe root work from readable .bat adb. Towelroot i not know what modify in the system so we not know if any bug is caused by it.
3) if towelroot will not work with next firmware, maybe downgrade will still work

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23rd June 2014, 11:32 PM |#10  
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Quote:
Originally Posted by LEENO

4.3 is not battery drainer and safe root work from readable .bat adb. Towelroot i not know what modify in the system so we not know if any bug is caused by it

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Well, my battery life was better with 4.4.2; so I guess no use for me. Towelroot uses a kernel exploit so basically no other modification is done to the "system", which may pose problems, as you later stated, in case further updates are pushed by Samsung. For more info/discussion see http://forum.xda-developers.com/show....php?t=2783157
23rd June 2014, 11:37 PM |#11  
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Quote:
Originally Posted by action294

Well, my battery life was better with 4.4.2; so I guess no use for me. Towelroot uses a kernel exploit so basicall no other modification is done to the "system". For further info/discussion see http://forum.xda-developers.com/show....php?t=2783157

with 4.4.2 fnc4 and fnb8 stock rom i have huge battery drain. With screen on it go from 100% to 90% in about 10 minutes. Only nova launcher and beautiful widjet in memory
Which rom are you using?

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