Develop Bugs

[Q] AudioIn wakelock, battery is lasting 4 hours on stock!

Hi,
I'm still on non-rooted stock and I can't for the life of me figure out what's causing this wakelock. I reset the whole phone to factory defauls and closed all apps, still won't go away!
Please see ss attached
Any ideas?
Thank you!
Sent from my HTC One X using xda premium

schiphol said:
Hi,
I'm still on non-rooted stock and I can't for the life of me figure out what's causing this wakelock. I reset the whole phone to factory defauls and closed all apps, still won't go away!
Please see ss attached
Any ideas?
Thank you!
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
If you have reset and it still happens, this points to perhaps something on your SD card.
I had this a while back before I rooted. A number of things can cause it, but this is what worked for me;
I had a music folder called 'Allsorts' which had LOADS of tracks and Power Amp tried downloading album art for the lot. Somehow mediascanner got stuck on one of these pictures. Once I deleted all the album art out of that folder, it stopped happening.
To quickly determine if this is something on your 'SD card' getting mediascanner stuck, put a .nomedia file in the root of your SD card and reboot your phone. See if the problem stops. If it does, you then just need to move this .nomedia file from the root into other folders to narrow down the location of the problem.
Failing that, backup everything on your SD card, and then reformat it. If it stops, move stuff back a bit at a time.
Only other things I can think of are;
Try turning off 'Sync Google Photos' & 'Sync Instant Upload' in your Google account sync settings.
or
Turn off 'Pocket Mode' in sound settings (always turn that off IMO - silly option)
or
Turn off 'Screen Lock Sound' in sound settings. (not sure about this one. Just read somewhere it caused someone wakelock troubles).

@wnp_79
Thank you for your elaborate and detailed response! It would appear the problem is indeed with some files on my sdcard. I'm trying the nomedia file on my music folders now. Thanks again!

On Google Now options...turn off from any screen.

[Q] jelly Bean not scanning media

why when i install Jellybean, de system does not scan photos and music? i can not see my photos in the gallery and the music player is empty, and this appens just when i install JB. is anyone having this issue?,

raidy said:
why when i install Jellybean, de system does not scan photos and music? i can not see my photos in the gallery and the music player is empty, and this appens just when i install JB. is anyone having this issue?,
Click to expand...
Click to collapse
I had the same issue, try to go into apps, media storage and clear the data, it should rescan it. Think during the JB update, the media storage got corrupted.

Download scan-media from market
Sent from my Galaxy Nexus using xda premium

malibu_23 said:
Download scan-media from market
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
i cleaned data of gallery and music application but the phone is still not reading my media

malibu_23 said:
Download scan-media from market
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
I dd it and does not work

same problem
I am having the same problem on a Nexus S. I have flashed tons of different ROMS before and this was never a problem. Weird that it comes up in a NEW version of Android. But I guess that's what offical updates are for...

Rename the folder containing your media. Use the scan app from before. I've always done that to fix this random issue
Sent from my Galaxy Nexus using xda premium

I have this issue since installing Jelly Bean too.
If you check processes using Watchdog or something similar you will see Android Media process hogging a lot of CPU...this will go on for over an hour for me sucking up my battery.
I've been trying to pin down if there is corrupt file. I've shut off Picasa & G+ syncing. I have cleared data for both Gallery & Media Storage.
Happens to me after every reboot.
Still searching for a solution to this.

happen to me as well n seeking for solution.
when i tried to look at apps\running, setting got force closed all the time...
rescan media not work for me too

If I have some time tomorrow, I will try doing a fastboot erase userdata or wiping the whole phone and then reinstalling JB from scratch.
My 1st JB install was the preview version BTW.

RichAP said:
If I have some time tomorrow, I will try doing a fastboot erase userdata or wiping the whole phone and then reinstalling JB from scratch.
My 1st JB install was the preview version BTW.
Click to expand...
Click to collapse
Hi Rich,
Wondering if you managed to pinpoint why your media process was doing that. I also have the same behavior with Jelly Bean, with my media process hogging my battery after I reset the phone, for like over an hour or so, and the phone getting pretty hot - and battery drained.
I wouldn't be very keen to wipe my phone, though...

I havent been able to pinpoint it yet.
I will probably have to resort to a factory reset unless someone has other suggestions to try.
pjft said:
Hi Rich,
Wondering if you managed to pinpoint why your media process was doing that. I also have the same behavior with Jelly Bean, with my media process hogging my battery after I reset the phone, for like over an hour or so, and the phone getting pretty hot - and battery drained.
I wouldn't be very keen to wipe my phone, though...
Click to expand...
Click to collapse

After a backup, I did a Bootloader Lock and then Unlock to clear all my user data.
Rebooted into recovery and did a Factory Reset.
Copied all my pics back and its been fine, no crazy Media Scanner CPU hogging when I reboot.
The Factory Reset might not have been necessary but I was have some rom issues and had dirty flashed many times. My roms issues also cleared up( couldn't get Theme Chooser to run on CM10)

[Possible Solution] LPAPlayer wakelock not letting phone enter deep sleep

I posted this question in the correct thread for the ROM I'm using in my signature (also note I'm using the newest version of the KT747 kernel as well), but people are currently more interested in hearing themselves talk on that thread, calling people trolls when the "troll" is actually helping answer questions, and just waste space with non-development chit-chat.... So maybe asking it here will get an answer!
I'm getting a partial wakelock constantly from LPAPlayer, a low power audio player that supposedly gets installed or screwed up when you install AwesomeBeats, but I never had that installed and can't seem how to disable or fix the issue with LPAPlayer eating up the battery, making the CPU run at max while the screen is off....
Anyone got any ideas or suggestions? Thanks!

Bump... Same problem here with VZW s3 running stock rooted JB 4.1.1!
Sent from my SCH-I535 using xda app-developers app

Have you tried flashing clean from stock? And just to clarify, you have LPAplayer without installing the Beats audio equalizer?
Sent from my SGH-I747 using xda premium

crazililazn said:
Have you tried flashing clean from stock? And just to clarify, you have LPAplayer without installing the Beats audio equalizer?
Sent from my SGH-I747 using xda premium
Click to expand...
Click to collapse
No I didn't come from stock but I did do a clean flash. And you are correct and having that wakelock without having installed beats
Sent from my SCH-I535 using xda app-developers app

travis.bridges10 said:
No I didn't come from stock but I did do a clean flash. And you are correct and having that wakelock without having installed beats
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
Maybe it was a bad flash? Have you tried reflashing since you noticed the wake lock?
Sent from my SGH-I747 using xda premium

crazililazn said:
Maybe it was a bad flash? Have you tried reflashing since you noticed the wake lock?
Sent from my SGH-I747 using xda premium
Click to expand...
Click to collapse
I've been on this since about 2 days after it came out never had a problem. The all of a sudden it started 2 days ago. I haven't installed anything new and haven't made any substantial changes. The only media players I use are play and Pandora.
Sent from my SCH-I535 using xda app-developers app

Just to add in to what Travis has been saying, and it all applies the same for me too, I just reflashed the device with the same ROM, but wiped everything first, including System.... Because these aren't official JB ROMs, I'm not spending too much time getting everything set up on the device right now, so when I wipe, I restore data from a previous backup, and while I'm sure that's not helping anything, there has to be a way to prevent LPAPlayer from using up so much battery!

KryptosXLayer2 said:
Just to add in to what Travis has been saying, and it all applies the same for me too, I just reflashed the device with the same ROM, but wiped everything first, including System.... Because these aren't official JB ROMs, I'm not spending too much time getting everything set up on the device right now, so when I wipe, I restore data from a previous backup, and while I'm sure that's not helping anything, there has to be a way to prevent LPAPlayer from using up so much battery!
Click to expand...
Click to collapse
Well one thing I know for sure is that we have the same exact nonofficial JB rom installed (lol) and that I do not have the LPAPlayer issue, nor could I find it installed. Travis says that he uses Google Play Music and Pandora, so maybe it has to do with one of the two. Try using Titanium and freezing these two apps and see if it fixes your battery drain.

I know it isn't Pandora, I don't use it or even have it installed on my phone.... I could see it having to do something with Google Music, I use that constantly while driving. Won't be in the car tomorrow so I'll freeze it tonight and see if anything gets better, one can only hope when no real solutions are being presented!

STILL having the issue, Pandora and GMusic are NOT the issue (as far as I can tell....)
Here's a guy having the same issues too, found that Awesome Beats was the recommendation, and never installed it either, still no resolution for him:
http://www.samsunggalaxys3forum.com...s3-help/7523-interesting-battery-problem.html
Looks like the only solution is to wipe and reinstall everything with TiBU, hoping that the issue isn't stuck in one of my user apps and just the data I'm restoring after every time I wipe....
EDIT - I MAY have found a solution! Those affected, please help me test this - those NOT affected, please check and see if your settings are different!
http://forum.xda-developers.com/showpost.php?p=25475691&postcount=4732
On there, it said to disable LPAPlayer, set lpa.decode=false in build.prop, under System, using Root Explorer, or similar. I like Root Explorer because when you select R/W at the top, press and hold on build.prop, select Open in Text Editor, you can hit the Menu button and Save and Exit while Root Explorer automatically saves the original as a backup, using .BAK. If you're unfamiliar with Root Explorer or need more instructions, let me know, I need others to test this OR see if your lpa.decode setting was already set to false! Mine WAS set to true before I edited it, rebooted, and now I'm testing to see if it works.... after 14 mins, I'm seeing a deep sleep of 5 mins so far, so it may have worked!!! There isn't any mention of any partial wakelocks from LPAPlayer right now either!

KryptosXLayer2 said:
STILL having the issue, Pandora and GMusic are NOT the issue (as far as I can tell....)
Here's a guy having the same issues too, found that Awesome Beats was the recommendation, and never installed it either, still no resolution for him:
http://www.samsunggalaxys3forum.com...s3-help/7523-interesting-battery-problem.html
Looks like the only solution is to wipe and reinstall everything with TiBU, hoping that the issue isn't stuck in one of my user apps and just the data I'm restoring after every time I wipe....
EDIT - I MAY have found a solution! Those affected, please help me test this - those NOT affected, please check and see if your settings are different!
http://forum.xda-developers.com/showpost.php?p=25475691&postcount=4732
On there, it said to disable LPAPlayer, set lpa.decode=false in build.prop, under System, using Root Explorer, or similar. I like Root Explorer because when you select R/W at the top, press and hold on build.prop, select Open in Text Editor, you can hit the Menu button and Save and Exit while Root Explorer automatically saves the original as a backup, using .BAK. If you're unfamiliar with Root Explorer or need more instructions, let me know, I need others to test this OR see if your lpa.decode setting was already set to false! Mine WAS set to true before I edited it, rebooted, and now I'm testing to see if it works.... after 14 mins, I'm seeing a deep sleep of 5 mins so far, so it may have worked!!! There isn't any mention of any partial wakelocks from LPAPlayer right now either!
Click to expand...
Click to collapse
Also started noticing this issue on my Sprint GS3, while playing Google Music, as that is the only music player I have, and have not installed any other apps, like Beats, or the like. Via Betterbatterystats I would see that anytime I'd play/use Google Music, LPAPlayer would keep the phone awake, even if I forced closed the Google Music app. Only way to stop it from keeping the phone awake was to reboot my phone, which was a pain since I use it to stream music all day. Anyone know what LPAPlayer is for, where it's located? I can't find much info on it. I'm going to try the above and edit the build.prop entry, as mine was set to true, and report what I get! Thanks!

r3ddawn said:
Also started noticing this issue on my Sprint GS3, while playing Google Music, as that is the only music player I have, and have not installed any other apps, like Beats, or the like. Via Betterbatterystats I would see that anytime I'd play/use Google Music, LPAPlayer would keep the phone awake, even if I forced closed the Google Music app. Only way to stop it from keeping the phone awake was to reboot my phone, which was a pain since I use it to stream music all day. Anyone know what LPAPlayer is for, where it's located? I can't find much info on it. I'm going to try the above and edit the build.prop entry, as mine was set to true, and report what I get! Thanks!
Click to expand...
Click to collapse
Yep, same issue I had too - someone must have edited the build.prop on us in a ROM or something to have that effect on different carrier's SGSIII's.... I've seen MUCH better battery life out of my phone since then, with the only wakelock coming in the form of Light Manager, but everyone who uses LightFlow / Light Manager for their LED notifications complain about poor battery life from wakelocks, so there's nothing I can do with that right now!
Glad I could help, definitely report back and let me know what you come up with when you change that setting and reboot!

KryptosXLayer2 said:
Yep, same issue I had too - someone must have edited the build.prop on us in a ROM or something to have that effect on different carrier's SGSIII's.... I've seen MUCH better battery life out of my phone since then, with the only wakelock coming in the form of Light Manager, but everyone who uses LightFlow / Light Manager for their LED notifications complain about poor battery life from wakelocks, so there's nothing I can do with that right now!
Glad I could help, definitely report back and let me know what you come up with when you change that setting and reboot!
Click to expand...
Click to collapse
Yup that was it, after the change and a reboot, I no longer have that issue. I am still searching to try to figure out why/what would have caused it, but the issue is fixed with the edit made, so I hope this helps others as well. Thanks again!

KryptosXLayer2 said:
Yep, same issue I had too - someone must have edited the build.prop on us in a ROM or something to have that effect on different carrier's SGSIII's.... I've seen MUCH better battery life out of my phone since then, with the only wakelock coming in the form of Light Manager, but everyone who uses LightFlow / Light Manager for their LED notifications complain about poor battery life from wakelocks, so there's nothing I can do with that right now!
Glad I could help, definitely report back and let me know what you come up with when you change that setting and reboot!
Click to expand...
Click to collapse
I was getting wakelock from LPAPlayer too (on sprint gsIII). Yesterday was the first day i noticed the poor battery like. About two days ago for the first time, i installed lightflow just to check it out. I immediately uninstalled it cause i don't really have a use for the app. I just now looked in betterbatterystats and found it was LPAPlayer. Do you think that app is causing the issue then?

r3ddawn said:
Yup that was it, after the change and a reboot, I no longer have that issue. I am still searching to try to figure out why/what would have caused it, but the issue is fixed with the edit made, so I hope this helps others as well. Thanks again!
Click to expand...
Click to collapse
Glad to hear it!
smac7 said:
I was getting wakelock from LPAPlayer too (on sprint gsIII). Yesterday was the first day i noticed the poor battery like. About two days ago for the first time, i installed lightflow just to check it out. I immediately uninstalled it cause i don't really have a use for the app. I just now looked in betterbatterystats and found it was LPAPlayer. Do you think that app is causing the issue then?
Click to expand...
Click to collapse
It's possible, but probably not likely.... I know I had Lightflow installed as well and uninstalled it to use Light Manager instead (Lightflow was causing a separate battery drain not associated with LPAPlayer, from what I understand), but I think that's just coincidence that we both had it installed at one point and it changed the settings to enable LPAPlayer....

I am/was having the same issue. I only saw LpaPlayer giving my phone a partial wake after using Google Play Music. I changed the build.prop as suggested and it looks like that fixed the problem. Thanks

sorry for bumping a month old thread but i've noticed this issue as well. Google music would also freeze up on me. Rather annoying. Let's see if editing build.prop fixes it

KryptosXLayer2 said:
STILL having the issue, Pandora ROM rooted GMusic are NOT the issue (as far as I can tell....)
Here's a guy having the same issues too, found that Awesome Beats was the recommendation, and never installed it either, still no resolution for him:
http://www.samsunggalaxys3forum.com...s3-help/7523-interesting-battery-problem.html
Looks like the only solution is to wipe and reinstall everything with TiBU, hoping that the issue isn't stuck in one of my user apps and just the data I'm restoring after every time I wipe....
EDIT - I MAY have found a solution! Those affected, please help me test this - those NOT affected, please check and see if your settings are different!
http://forum.xda-developers.com/showpost.php?p=25475691&postcount=4732
On there, it said to disable LPAPlayer, set lpa.decode=false in build.prop, under System, using Root Explorer, or similar. I like Root Explorer because when you select R/W at the top, press and hold on build.prop, select Open in Text Editor, you can hit the Menu button and Save and Exit while Root Explorer automatically saves the original as a backup, using .BAK. If you're unfamiliar with Root Explorer or need more instructions, let me know, I need others to test this OR see if your lpa.decode setting was already set to false! Mine WAS set to true before I edited it, rebooted, and now I'm testing to see if it works.... after 14 mins, I'm seeing a deep sleep of 5 mins so far, so it may have worked!!! There isn't any mention of any partial wakelocks from LPAPlayer right now either!
Click to expand...
Click to collapse
Just want to say THANK YOU for this post. AT&T GS3 here stock rom 4.1.2 and rooted. This fixed the lpaplayer wakelock for me. I used Root Browser to change the setting and then restarted. Noticeable improvement in battery life as a result.

My N7100 Gallery suddenly disappeared !

My N7100 Gallery suddenly disappeared. !
What I see now is dark page or space instead of the Gallery.
I have not rooted my N7100 nor do I know what and how to root.
Some techie please help
Thanks.
Sent from my GT-N7100 using Tapatalk 2

I have the same problem i am rooted and was throwing away bloatware every now and then i tend to hit a button accidently no room
to hold the phone without touching the screen here and there so i thought i accidently deleted it somehow until i found out the apk is still
in system\app, titanium backup shows it as uninstalled since there is no more icon on the home screen or the app drawer.
Anyone have any idea how we can get it back so all works again?

HellsAngel_NL said:
I have the same problem i am rooted and was throwing away bloatware every now and then i tend to hit a button accidently no room
to hold the phone without touching the screen here and there so i thought i accidently deleted it somehow until i found out the apk is still
in system\app, titanium backup shows it as uninstalled since there is no more icon on the home screen or the app drawer.
Anyone have any idea how we can get it back so all works again?
Click to expand...
Click to collapse
The only way I could get it back was by restoring to factory settings.
Hope this doesn't happen again.
Sent from my GT-N7100 using Tapatalk 2

wow that sucks i only have the phone a few days but going to a custom rom now i am on 4.1.1 sofar no update from samsung and the custom rom oddly enough is based on samsung but 4.1.2 i hope that also fixes the gally and whatever caused it to make it vanish. Weird though that only 2 persons have this issue it seems i expected alot more. Thanks again for your reply and on how to fix it.

well, use Rescan Media Root (if rooted), and also Rescan Media app.
Both can be found on play store.. :silly:

myaslioglu said:
well, use Rescan Media Root (if rooted), and also Rescan Media app.
Both can be found on play store.. :silly:
Click to expand...
Click to collapse
Well too be honest (too late now im now on custom rom omega) i doubt it works i noticed an other app vanished which was the clock app,
and since i sometimes use it to time something or just a simple alarm i noticed this today just before moving to the custom rom.
Something very wrong and crazy going on with the samsung stock rom especially since it even happened for him who didnt modify anything.

Touchwiz and battery problems

Hi,
I bought Tab S 8.4 recently (3 weeks ago).
I face two issues and I appreciate your help..
1- Toucwiz: it happens frequently after I restart my tablet to find the error message (Unfortunately, Touchwiz stopped working). When I press OK, the screen blanks and starts working fine. I tried resetting the tablet to factory settings, clearing cache, clearing Touchwiz application setting.
The problem goes for some time and comes back. it doesn't really impact the tablet function but it is a kind of irritating.
2- Battery drains: I used to have ipad mini, the battery life was about 5 to 6 days.
For the Tab S, it is maximum three days. taking into consideration that I am using the tablet for emails, browsing, and rarely lite games.
Please, let me know if you face these problems and if you know the fix.
Thanks,

a_k_gano said:
Hi,
I bought Tab S 8.4 recently (3 weeks ago).
I face two issues and I appreciate your help..
1- Toucwiz: it happens frequently after I restart my tablet to find the error message (Unfortunately, Touchwiz stopped working). When I press OK, the screen blanks and starts working fine. I tried resetting the tablet to factory settings, clearing cache, clearing Touchwiz application setting.
The problem goes for some time and comes back. it doesn't really impact the tablet function but it is a kind of irritating.
2- Battery drains: I used to have ipad mini, the battery life was about 5 to 6 days.
For the Tab S, it is maximum three days. taking into consideration that I am using the tablet for emails, browsing, and rarely lite games.
Please, let me know if you face these problems and if you know the fix.
Thanks,
Click to expand...
Click to collapse
1. Re-flash your device firmware with Odin. Many guides about on its use. Check sammobile.com or samsung-updates.com
2. The browsing time has been shown to be less than SOME other tablets but media play exceeding most others (including mini) of the same form factor. Don't know what users expect for such a thin device device with a very high resolution. There are far more pixels to push
There is also power saving mode and ultra power saving mode. You could also use auto brightness with lower setting.

As your coming from an Apple device here are some info on best battery saving practices for Android :
7 Quick Tips To Extend Battery Life on Android 4.4 Kitkat
http://www.idroidspace.com/best-tips-to-extend-battery-life-on-android-4-4-kitkat-devices/
Specifically for Tab S:
- (I don't use this one as to me it reduces the value of my tablet) : "Select adaptive display off and use basic color better battery life but sacrifice some color". This suggestion came at the beginning of August before at least one update which may have negated it's value.
- Settings:
- Increase the time between services being synced (GMail, Calender... Etc)
- Turn off syncing for any service you don't use
- Turn off Bluetooth if your not using it
- Turn off WiFi scanning once you have added your WiFi access point(s)
- uncheck WiFi remaining alive when tablet is asleep (sorry forgot the specific setting name)
- Anything you can tolerate that reduces screen brightness.
- Turn off auto brightness and control it manually
- Reduce the auto brightness value assuming you still want auto brightness
If that is still not enough then you can install a battery app which tracks "wakelocks" (apps that keep your app awake even when it is not being used). After analyzing that info you can uninstall the worst offenders. Sometimes the worst ones are part of the system or an essential app so you must put up with the drain. See this XDA post for a good battery analysing app which is free for XDA members.
http://forum.xda-developers.com/showpost.php?p=15869886&postcount=2
Likely the 1st link to the 7 tips article will give your the best bang for the buck.
Good luck
Sent from my Nexus 10 using XDA Premium HD app

The weird thing is that the Touchwiz error appears only at the restart. Then the tablet continues working fine.
it is less probable to happen when I restart the tablet after it is shut down, and more probable to happen when I restart it by command.
It is not stopping me from using the tablet, but it is some how irritating.

a_k_gano said:
The weird thing is that the Touchwiz error appears only at the restart. Then the tablet continues working fine.
it is less probable to happen when I restart the tablet after it is shut down, and more probable to happen when I restart it by command.
It is not stopping me from using the tablet, but it is some how irritating.
Click to expand...
Click to collapse
So you didn't bother to re-flash ?

UpInTheAir said:
So you didn't bother to re-flash ?
Click to expand...
Click to collapse
Not exactly, ... I downloaded the SW and planning to do it... was just asking if it really deserves?
one silly question... can it be a HW issue?
Thanks,

a_k_gano said:
Not exactly, ... I downloaded the SW and planning to do it... was just asking if it really deserves?
one silly question... can it be a HW issue?
Thanks,
Click to expand...
Click to collapse
Not a silly question.
A lot will be cleared up if you go ahead. You're data should be OK, but always recommend to save it off device.

UpInTheAir said:
Not a silly question.
A lot will be cleared up if you go ahead. You're data should be OK, but always recommend to save it off device.
Click to expand...
Click to collapse
I reflashed the SW.
so far so good.. will keep you updated.
Thanks,

a_k_gano said:
I reflashed the SW.
so far so good.. will keep you updated.
Thanks,
Click to expand...
Click to collapse
Problem appeared again... looks like it is related to some application.
I tried the safe mode and it works fine every time I restart the tablet in safe mode.
I downloaded Nova advanced launcher and it works fine so far...

a_k_gano said:
Problem appeared again... looks like it is related to some application.
I tried the safe mode and it works fine every time I restart the tablet in safe mode.
I downloaded Nova advanced launcher and it works fine so far...
Click to expand...
Click to collapse
You just need to remember what you did between then and now and narrow down the cause. ....

UpInTheAir said:
You just need to remember what you did between then and now and narrow down the cause. ....
Click to expand...
Click to collapse
I found the trigger ... Or I think I did
I cleared the Touchwiz data and cache .. so it went to the default configuration. I then started adding my widgets and shortcuts one by one.
I figured out that the Touchwiz fault happens when I add a short cut of an application installed on the microSD card.
I moved all the applications from the microSD to the internal memory and now Touchwiz works fine.
Now going to the microSD. The microSD I have is Transcend cat 10. It should be quite fast, and it is actually fast (R/W). However, I recall some posts regarding Transcend in-compatibility with new Samsung devices.
I have Galaxy S5 as well... same Transcend type and works fine.... BUT ... There is a Samsung application called User's digest for Samsung (or you can find it in the name of Vitamin's for Samsung).. It has a feature to place some tests to the handset. Both Galaxy S5 and Galaxy Tab S show the microSD card test result as "Disconnected"! ... I didn't care that much on the S5 as it didn't cause any problem, but now I started to care after what happened with the Tab S.
I ordered Samsung 32GB cat 10 microSD... should arrive in a week... will let you know about my experience.

It's confirmed now the touchwiz problem while starting the tablet is triggered by microsd.
The transcend I was using was fake. I am using an original one now and I can sense the enhancement in the read speed, as well as no touchwiz problem anymore.
Thanks,

How do I reboot in safe mode in galaxy tab s t705?
Thanks