Samsung knox - Galaxy S 4 Q&A, Help & Troubleshooting

Hello, 2 days ago I bought my s4 and I update it to 4.3. So I get support of knox...which needs extra 170Mb download. Now, my question is if I am going to install knox will it affect my system performance like speed and RAM usage starting time etc.??? Plz reply
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kevalonly111 said:
Hello, 2 days ago I bought my s4 and I update it to 4.3. So I get support of knox...which needs extra 170Mb download. Now, my question is if I am going to install knox will it affect my system performance like speed and RAM usage starting time etc.??? Plz reply
Sent from my GT-I9500 using XDA Premium 4 mobile app
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Click to collapse
So far as I know, the answer is Not affecting any speed/Ram performance

Related

New malaysia 4.1.2 firmware having great battery performance.

Hi, im stay at malaysia, recently sammobile confirmed that the latest 4.1.2 firmware update having more faster battery drain than previous (4.1.1).
But im really wonder why i got opposite feedback from 2 malaysia user regarding the lastest 4.1.2 ugrade.
Both of my friends just a normal smartphone user. They dont know about rooting and custom rom. They completely using everthing stock as provided by samsung.
They both told me and showed me that their on screen time able to last 7 hours ++ with 3g data fulltime on. Whole circle of battery usage able to last longer about 26 hours.
But for your information they both not the type of heavy gamer. They both just will keep browsing, facebook and social chatting.
From their feedback, the lastest ugrade having better battery performance than 4.1.2.
Im not asking a question here, but just for sharing. Since myself never officially ugrade thru kies or ota.
Im wonder samsung has did some minor tweak on malaysia latest 4.1.2 firmware.
Maybe some of the n7100 developer might gonna use that build as a based to build custom rom.
Thank you.
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I'm running a custom ROM based on XXDLL7 on my SGH-I317M (Canadian Note II) and the battery life is just as good, if not slightly better than it was before. I did a full wipe after flashing, so perhaps old data from 4.1.1 is what is causing some people to have issues.
krwkenn said:
I'm running a custom ROM based on XXDLL7 on my SGH-I317M (Canadian Note II) and the battery life is just as good, if not slightly better than it was before. I did a full wipe after flashing, so perhaps old data from 4.1.1 is what is causing some people to have issues.
Click to expand...
Click to collapse
You are right, im always suggest my friend perform factory reset after ugraded from ota or kies.
But this case a bit different. They never perform factory reset after ugraded. But still having experienced that battery performance much more better than 4.1.1.
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Battery life is always a hit and miss for everyone... no one has same settings usage apps roms kernels etc etc.... some have epic battery life others very poor ..
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shahkam said:
Battery life is always a hit and miss for everyone... no one has same settings usage apps roms kernels etc etc.... some have epic battery life others very poor ..
Sent from my SGH-T999 using xda premium
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Click to collapse
This is True, most People getting 10hrs screen time with 3days on are not using 3g data and no sync and so on, everything is depending on how you use your Phone even when you don't use it.
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My battery life went down after the update, all else being equal. Would a factory reset really help? I'd have to do one anyways to revert I guess.
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sz1a said:
My battery life went down after the update, all else being equal. Would a factory reset really help? I'd have to do one anyways to revert I guess.
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Click to collapse
Hmm...about the factory reset after ugraded, i think this is very subjective. Since samsung never advice their user need to perform this.
But for myself, i will perform and download again all the previous app to make sure everything running properly without any fc.
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But i never experienced ota or kies ugrade.
But in other way, 99% me will perform full wipe everytime install new custom rom.
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Jobiza said:
This is True, most People getting 10hrs screen time with 3days on are not using 3g data and no sync and so on, everything is depending on how you use your Phone even when you don't use it.
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Click to collapse
I totally agree with you. I f you are not using the functions of 'SMARTPHONE' what is the use of your phone? Is it just to show how much battery you conserved? Can anybody show 6 Hrs. of internet and 8 hours of videos in this so called battery life of 3 'days'?
I just cannot understand why people are running so much after battery life?
If you use you lose that is the law!
It can be understandable if without using anything one is losing the battery then it certainly is an issue.
IMHO those who conserve battery do not enjoy their phones at all!!!
That's true, that's why the new fw is such a pain in the ass with its poor battery!
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Thanks for all posted comment. All solid opinion and experienced.
Actually im just wanna to sharing that, it was proof that ( from samobile.com) the latest 4.1.2 having poor battery performance if compare to 4.1.1. But in another way, my both friends also proof to me that they having significant improvement of battery performance from the latest 4.1.2 malaysia firmware. ( im personally checked their battery status and they are not lie to me).
We should put aside the battery performance for certain rom, kernel, personal setting and personal usage.
Since they having the same setting and same installed app as previous after ugraded to 4.1.2. And they also using the phone like usual or before upgraded.
So from my point of view, im just wanna find out isnt it the latest 4.1.2 malaysia firmware might having some different tweak from samsung than other 4.1.2 build such as LL7?
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Wanam just release rom with latest base.. hopefully sammy fix the battery drain issue that currently plaguing ll5, ll7..
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darkteb said:
Wanam just release rom with latest base.. hopefully sammy fix the battery drain issue that currently plaguing ll5, ll7..
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Click to expand...
Click to collapse
Maybe/ hopefully with the sds fixed from samsung.
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This is kinda a good news though.
For this time I can't upgrade my SGN2 firmware either via Kies or OTA.
I don't know what's wrong but I figure out something later.
I'm using my SGN2 on Stock Rom and for me SGN2 Stock Rom (4.1.1) is quite good.
Usage :
Full Charge - 0830
Mobile Data On - 1000
Activity - 1100 ~ 2200 - Viewing Facebook, texting a bit in Whatsapp, web browsing
On call - 2200 ~ 0000
Phone Standby - 0000 ~ 0730
And I still have another 6% of battery.
Can't wait to update the firmware.
:good:
shahkam said:
Battery life is always a hit and miss for everyone... no one has same settings usage apps roms kernels etc etc.... some have epic battery life others very poor ..
Sent from my SGH-T999 using xda premium
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Click to collapse
Exactly. Everything is an anecdote unless the battery life was tested via an app like Battery Monitor Widget before and after the update for at least several days to register the consumption per hour in both standby and regular use.
Anything else, especially screen time, is purely subjective.
anyone facing after upgrade, phone will auto restart or shut down by itself?
I don't have any battery issue with DLL7. Battery consumption was the same even with DMA5. Even now with DMA6 consumption still the same.
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cyberdroxxx said:
I don't have any battery issue with DLL7. Battery consumption was the same even with DMA5. Even now with DMA6 consumption still the same.
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Click to collapse
same here, Battery consumption is equally the same with DLL7, DMA5 and DMA6...
LoL
Placebo FTW
MA5 , MA6 are the same as LL7
Sent from my GT-N7100 using Tapatalk 2
Battery consumption is not my main concern. Most important for me is that I use and abused my note2 to my heart's content and enjoy using it. I'm happy that my battery can last for a day. I charge my N2 when I'm in the car, office and at home. This has been going on since I bought it last October'12. I have not notice any difference at all in battery consumption in all updates right from the stock 4.1.1 rom that came with it.
yahyoh said:
LoL
Placbo FTW
MA5 , MA6 are the same as LL7
Sent from my GT-N7100 using Tapatalk 2
Click to expand...
Click to collapse
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Awful battery since 4.2.2 update

Hey guys.
Not sure if I'm posting in the right place but I've got to find out if it's just me!
Updated about 2 weeks ago to 4.2.2 via OTA and my battery life has dropped drastically.
The one thing I've always loved about the note series is the massive battery and the note 3 didn't disappoint until recently.
The phone used to last anything upto 20 hours with fair usage but since the update I get no longer than about 3-4 hours!
I'm not rooted and I've even performed a factory reset on my device and not installed any apps.
I've even turned cellular data off and left the phone in my pocket without even unlocking it yet still only 2 - 3 hours life.
Anyone else having the same issue or know of any solution?
I appreciate that downgrading back to 4.2.2 isn't possible but surely there must be something else I can do?
any help is appreciated.
Thanks
Note my screen shot of firmware version for you guys to compare.
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studelube said:
Hey guys.
The phone used to last anything upto 20 hours with fair usage but since the update I get no longer than about 3-4 hours!
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Click to collapse
Are you serious, from 20 hour to 3-4 hours? That is very strange. I am still on 4.3 but waiting for 4.4.2 for my region, what region version are you using?
Yeah can't believe it either. I've had to use a second phone just for work purposes.
I'm in the UK with an unlocked handset. Just received the update OTA.
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brochs said:
Are you serious, from 20 hour to 3-4 hours? That is very strange. I am still on 4.3 but waiting for 4.4.2 for my region, what region version are you using?
Click to expand...
Click to collapse
Yeah can't believe it either. I've had to use a second phone just for work purposes.
I'm in the UK with an unlocked handset. Just received the update OTA.
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Sent from my SM-N9005 using XDA Premium 4 mobile app
studelube said:
Yeah can't believe it either. I've had to use a second phone just for work purposes.
I'm in the UK with an unlocked handset. Just received the update OTA.
Sent from my SM-N9005 using XDA Premium 4 mobile app
Sent from my SM-N9005 using XDA Premium 4 mobile app
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Click to collapse
Im having the very same problem. There are various posts on the net about it on various forums but there seems to be no definitive fix. Very Odd because it definately is affecting a large number of people - but here on xda - dev there dont seem to be too many?

[Q] Samsung galaxy grand 2 eating to much RAM

Hello guys!!
2 weeks back i bought galaxy grand 2 and i m facing a problem regarding RAM usage.
When i m not running any app still the phone is using nearly 85% of RAM.
Why i don't know .how this much of memory is used....
Please help me....
Goto app manager and disable the apps you dont use
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mzee_maverik said:
Goto app manager and disable the apps you dont use
Sent from my SM-G7102 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
may i know how much of RAM is used in your phone (Normally)
B'coz still its consuming 800mb of RAM
ntnr32 said:
Hello guys!!
2 weeks back i bought galaxy grand 2 and i m facing a problem regarding RAM usage.
When i m not running any app still the phone is using nearly 85% of RAM.
Why i don't know .how this much of memory is used....
Please help me....
Click to expand...
Click to collapse
Use greenify and hibernate the apps that u do not use. Alternately, you can go to task manager and clear memory to kill applications.

1 Gb Total Ram?

Hy guys new to this forum
i recently purchased SM-G7102 (dual sim) . Once going through the specs i noticed it shows just 890 mb of total ram in apps and cpu-z whereas it's written all over it has 1.5 gb ram. I really don't understand why is it so. Checked thoroughly for counterfeit or clone but i guess it's original Samsung device and getting oficial software updates too. Stock samsung pre installed apps are working fine just this issue of ram is bothering me.
Any help and advice will be much apreciated.
Thanks.
Screenshots
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Can someone else please post screen shots aftrr CPU-Z test?
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Her It Is
UM u probably have to get it checked
Thanks for sharing .I'm really amazed is it a defective piece made by Samsung or what ? Should i upgrade to 4.4 will it do any good?
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It might be ! How much ram does it show in the task manager ?
Ahmed Xperia p said:
Thanks for sharing .I'm really amazed is it a defective piece made by Samsung or what ? Should i upgrade to 4.4 will it do any good?
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Click to expand...
Click to collapse
NO brother upgrading might won't do any thing just go to the service center they will fix it:good::good:
Only 865 MB instead of 1,5 GB RAM?
I checked the RAM of my SM-G7102 (Grand 2 Duos) with CPU-Z, version 1.26. Only 865 MB of RAM is displayed.
Is this correct?

I9505 heating problems

Hello guys, i have an i9505 and before lollipop i did not have heating problems, but after updating the modem and boot loader and going to lollipop, my cpu does not go under 60-65 celsius. I've updated again the modem and bl and the problems is not that big but it is still heating like crazy, can you help me guys?? I'll give a smoothie
Btw i tried all kernels and all roms on xda
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chossen said:
Hello guys, i have an i9505 and before lollipop i did not have heating problems, but after updating the modem and boot loader and going to lollipop, my cpu does not go under 60-65 celsius. I've updated again the modem and bl and the problems is not that big but it is still heating like crazy, can you help me guys?? I'll give a smoothie
Btw i tried all kernels and all roms on xda
Sent from my GT-I9505 using XDA Free mobile app
Click to expand...
Click to collapse
Try to change your battery and see whether it's still overheats.
I wanted to do that really, but i wanted someone else to tell me so i would not be a wierdo, you really think that would work?
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chossen said:
I wanted to do that really, but i wanted someone else to tell me so i would not be a wierdo, you really think that would work?
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Click to expand...
Click to collapse
I have 2 batteries. One gave me overheats, even though the battery itself is not bulged.
One totally no issues at all.
Same phone, same ROM, same setup, same etc.
You can give it a try. But then again, I might be wrong.
Technical issues can arises from a lot of factors anyway.
I will try, thank you so much for your reply
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Try the old modem, the one you didn't have any issues. Otherwise it's samsung's crappy update.
Can i go back to that modem?? No risk?? I changed the csc, changed the sim, changed the carrier, changed 3 batteries... still blowing fire, 80c om the cpu... many times when i use my data plan
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The only risk is signal issues.
So because of the modem i have the heating problems??
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It may also the update.
What?
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I may also be related to the lollipop update. Since you did mention that it didn't happen on kitkat. It only started happening since moving to lollipop. So it may also be the update. Go back to kitkat or change to a custom rom and see if it helps.
I tried all, just all custom roms with lolli
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