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s4 mini i9195 not reading SD card after root

OP Awesomeman

23rd March 2014, 11:42 AM   |  #1  
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Hi all,

Apologies if this is an old issue, but I can't seem to find it posted anywhere else. If I'm providing irrelevant information or not enough info, please let me know.

I rooted my phone an hour or so ago as I wanted to be able to raise the volume on movies so that I could actually hear the audio through headphones.

Since I rooted my phone the device won't mount my SD card. As soon as I boot the device it shows a system notification "You can safely remove SD card".
When I go into Settings>More>Storage the bottom option is for "Mount SD card". However when I press this it says "Preparing SD card" and then roughly 10 seconds later says "SD card safe to remove".

I have been using the Sandisk 64GB XC I SD card with the phone since I bought it.

I rooted my i9195 using Odin 3 and using the files below:

GT-I9195_MF5_870901_kernel.tar.md5
recovery-clockwork-6.0.3.3-serranoltexx.tar.md5

The phone seems to have rooted correctly. Rootchecker advises that the phone is properly rooted.
Everything on the phone seems to be working correctly with the exception of apps loaded on the SD card.

The SD card works fine in my girlfriend's phone and all the data is there. The SD card worked minutes prior to rooting the phone. My phone also reads my girlfriend's 32GB SD card fine.

I was tempted to unroot the phone in the hope this would restore the functionality, but I have no idea which version of the firmware to unroot back to.

After all this, my question is:

Is there a way to fix this issue?
23rd March 2014, 03:00 PM   |  #2  
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I read somewhere that some kernels werent able to recognize 64gb memory cards. Maybe "GT-I9195_MF5_870901_kernel.tar.md5" this could be the issue.
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23rd March 2014, 10:31 PM   |  #3  
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Quote:
Originally Posted by chemicalrage

I read somewhere that some kernels werent able to recognize 64gb memory cards. Maybe "GT-I9195_MF5_870901_kernel.tar.md5" this could be the issue.

So if I try a different kernel then this may fix the issue? Fantastic! Is there a better kernel you can recommend that I should try? As I mentioned, all I want is to be able to increase the headphone sound on videos...
24th March 2014, 12:17 AM   |  #4  
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If you look at the original root release thread there's the latest recovery and a custom kernel meant for stock ROMs for you to flash. Flash those it should work.
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24th March 2014, 11:25 AM   |  #5  
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Quote:
Originally Posted by Whosat

If you look at the original root release thread there's the latest recovery and a custom kernel meant for stock ROMs for you to flash. Flash those it should work.

Sorry to ask so many questions, but I'm now a little hesitant to do something and end up doing the wrong thing. I assume that this is the thread you're referencing? I see so many ROMs there that I'm now just totally confused as to what to do and which one is for my device. I'm using the LTE i9195, so I assume this is the kernel I should be using?

I initially used this link to root the phone, so I'm now just searching for the original thread you mention. Hopefully I've got the right idea and it's just a matter of doing what I've already done with one file changed.

Thanks again in advance guys, I appreciate all the help!
24th March 2014, 07:43 PM   |  #6  
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Nope, I'm referring to the original release thread by arco68.
http://forum.xda-developers.com/show....php?t=2364980

You are partially right about which kernel you should flash. That link you posted is a kernel meant for devices which use custom ROMs based on AOSP.

Your ROM is a Samsung ROM (Touchwiz) and therefore you need to use a different kernel.

You have three options:
A) The original modified samsung kernel by arco68 in his release thread
B) f4ktion kernel based on A but with added features. The link is here: http://forum.xda-developers.com/show....php?t=2636890
C) junkyde's Vikinger kernel for Samsung ROMs also based on A: http://forum.xda-developers.com/show....php?t=2545244
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25th March 2014, 11:31 AM   |  #7  
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Quote:
Originally Posted by Whosat

Nope, I'm referring to the original release thread by arco68.
http://forum.xda-developers.com/show....php?t=2364980

You are partially right about which kernel you should flash. That link you posted is a kernel meant for devices which use custom ROMs based on AOSP.

Your ROM is a Samsung ROM (Touchwiz) and therefore you need to use a different kernel.

You have three options:
A) The original modified samsung kernel by arco68 in his release thread
B) f4ktion kernel based on A but with added features. The link is here: http://forum.xda-developers.com/show....php?t=2636890
C) junkyde's Vikinger kernel for Samsung ROMs also based on A: http://forum.xda-developers.com/show....php?t=2545244

Thank you SO MUCH. I followed the instructions and I can see my SD card again! Happy days and jubilations! You are a gentleman and a scholar.

Now to find how to raise the volume of headphones... Wish me luck!
25th March 2014, 04:08 PM   |  #8  
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Some kernels support raising volume. Otherwise you could adjust the DSP effects to add gain to all frequencies on the equaliser

Glad to have been of help
25th March 2014, 04:15 PM   |  #9  
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I have a small "ideea"
If someone with 64 Gb card could test something with a custom kernel ( that does not support 64 cards ) would be awsome ...
Set your I/O scheduler to CFQ I/O ( the default samsung uses ) in my kernel i use No-Op I/O and it does not work with 64 cards. Maybe other kernels that don`t support it uses some other scheduler then stock.
U can modify it with No-frills CPU Control and root
Thank u in advance

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