Database Users

[Q] upgrade to ICS or not?

I have a galaxy tab p7500 surprisingly with micro sd slot when i got it has android 3.1 p7500 xxkg7 kernel 2.6.36.3 build hmj37 p7500jpkg6 so i checked update OTA and via kies but no update was available and i upgraded it with odin to P7500JPKL2_P7500OJPLB1_P7500XXKL3 as i live in pakistan so i found jpkl2 latest available for my region but it is HC 3.2 . now i am thinking to upgrade it to ICS again via odin but i have some doubts when i read about ICS there are many discussions regarding bad battery performance on ICS like battery drain issues so please advice me should i upgrade via odin to official ICS and if answer is yes then which version of official ICS as there are many available even some are released in september for australia region.is the battery drain issue fixed in latest released ICS and is it better stability wise then previously released ICS versions.Please answer my condusions.Thanx

Ferashtc said:
I have a galaxy tab p7500 surprisingly with micro sd slot when i got it has android 3.1 p7500 xxkg7 kernel 2.6.36.3 build hmj37 p7500jpkg6 so i checked update OTA and via kies but no update was available and i upgraded it with odin to P7500JPKL2_P7500OJPLB1_P7500XXKL3 as i live in pakistan so i found jpkl2 latest available for my region but it is HC 3.2 . now i am thinking to upgrade it to ICS again via odin but i have some doubts when i read about ICS there are many discussions regarding bad battery performance on ICS like battery drain issues so please advice me should i upgrade via odin to official ICS and if answer is yes then which version of official ICS as there are many available even some are released in september for australia region.is the battery drain issue fixed in latest released ICS and is it better stability wise then previously released ICS versions.Please answer my condusions.Thanx
Click to expand...
Click to collapse
I've tried the India version of the ICS official update and there aren't too many issues with stability compared to the sucky Honeycomb that came on it. I've also tried several CM 9, 10 and AOKP ROMs on the P7500.
Does the ICS ROM drain your battery more than the HC ROM? Yes, in my experience.
Is it worth it? Hell yeah.
In the end, the choice is yours.

I think you definitely should upgrade, the new ics is much smoother and better overall.
Sent from my DROID X2 using Tapatalk 2

Ferashtc said:
I have a galaxy tab p7500 surprisingly with micro sd slot when i got it has android 3.1 p7500 xxkg7 kernel 2.6.36.3 build hmj37 p7500jpkg6 so i checked update OTA and via kies but no update was available and i upgraded it with odin to P7500JPKL2_P7500OJPLB1_P7500XXKL3 as i live in pakistan so i found jpkl2 latest available for my region but it is HC 3.2 . now i am thinking to upgrade it to ICS again via odin but i have some doubts when i read about ICS there are many discussions regarding bad battery performance on ICS like battery drain issues so please advice me should i upgrade via odin to official ICS and if answer is yes then which version of official ICS as there are many available even some are released in september for australia region.is the battery drain issue fixed in latest released ICS and is it better stability wise then previously released ICS versions.Please answer my condusions.Thanx
Click to expand...
Click to collapse
Yes, upgrade, but you will need to install A1 kernel and overclock so that the tab will have the necessary performance (and more) and you will not have propblems to enter the CPU in deep sleep (battery drain issue).

jaswinky said:
Yes, upgrade, but you will need to install A1 kernel and overclock so that the tab will have the necessary performance (and more) and you will not have propblems to enter the CPU in deep sleep (battery drain issue).
Click to expand...
Click to collapse
but i want to go on with official stuff only as the custom roms are modified always.may be i will wait till i know which build of official ICS for p7500 is most stable and with out battery drain problems.overclock improves performance but why the samsung guys dont overclock the official builds.Can we know some how which ICS version released so far is most stable?

Ferashtc said:
but i want to go on with official stuff only as the custom roms are modified always.may be i will wait till i know which build of official ICS for p7500 is most stable and with out battery drain problems.overclock improves performance but why the samsung guys dont overclock the official builds.Can we know some how which ICS version released so far is most stable?
Click to expand...
Click to collapse
Some coments:
1. A1 kernel is not a modified ROM as CMx, but just a half-modified kernel which prevents bricks (emm_cap_erase), oveclocks gpu and cpu, and let you charge the tab from any USB port.
2. If you wait for a stock ics or jb rom with better performance than actual stock roms, surely you will watch before on tv the first step of the man over mars.
3. The reason why samsung or any other manufacturers don't overclock the devices is the same reason why a elevator can technically support 7.500kg weight, but the plate says max. 750kg/10 pers... ie, the tab supports higher freq, but depending of some ambiental and manufacturing conditions one tab could works lightly different than other tab on same freq (and so, same cpu voltages). Because this undervolting could affect by different way on different tabs of same model. The manufacturer finally set a nominal freq which sure them the tab will not give probelms in a determined life time (this is quality).
Enviado desde mi GT-P7510 usando Tapatalk 2

jaswinky said:
Some coments:
1. A1 kernel is not a modified ROM as CMx, but just a half-modified kernel which prevents bricks (emm_cap_erase), oveclocks gpu and cpu, and let you charge the tab from any USB port.
2. If you wait for a stock ics or jb rom with better performance than actual stock roms, surely you will watch before on tv the first step of the man over mars.
3. The reason why samsung or any other manufacturers don't overclock the devices is the same reason why a elevator can technically support 7.500kg weight, but the plate says max. 750kg/10 pers... ie, the tab supports higher freq, but depending of some ambiental and manufacturing conditions one tab could works lightly different than other tab on same freq (and so, same cpu voltages). Because this undervolting could affect by different way on different tabs of same model. The manufacturer finally set a nominal freq which sure them the tab will not give probelms in a determined life time (this is quality).
Enviado desde mi GT-P7510 usando Tapatalk 2
Click to expand...
Click to collapse
ok i will do as you say but which version of official ICS should i use with A1 kernel plz suggest me according to my recent Rom P7500JPKL2_P7500OJPLB1_P7500XXKL3 and also explain briefly steps to do so as i have updated my p7500 only once via odin.if i upgrade as you say then the battery life will be same as of HC 3.2?will the cameras work?also i was reading that charging via usb does not give required voltage and it takes much more time to charge the tab.

Ferashtc said:
ok i will do as you say but which version of official ICS should i use with A1 kernel plz suggest me according to my recent Rom P7500JPKL2_P7500OJPLB1_P7500XXKL3 and also explain briefly steps to do so as i have updated my p7500 only once via odin.if i upgrade as you say then the battery life will be same as of HC 3.2?will the cameras work?also i was reading that charging via usb does not give required voltage and it takes much more time to charge the tab.
Click to expand...
Click to collapse
I think last oficial version for p7500 is xwlp6 in sammobile.com , you can flash it using odin and then you can flash A1 kernel to improve the performance allowing overclock.
About usb charging, you read wrong, it's nothing to do of voltage (allways 5V for usb), but with currents. Here is the explanation (see my last post):
http://forum.xda-developers.com/showthread.php?t=1918223
Enviado desde mi GT-I9100 usando Tapatalk 2

so guys finaly i made my mind after suggestions from u and upgraded via odin to indian ICS P7500XWLP5_P7500ODDLP5_P7500XXLQ8_INU as i read that italian ICS has some bugs.what i found in ICS is it is very smooth,fast and beautiful then HC3.2.i like it very much.so far didnt use it much as i upgraded at night before sleep but i turned off wifi and left it on with battery 85% and then i checked after 7 hours and 30 min and battery dropped to 77% so it consumes 1% in 1 hour so far so u guys tell me is it ok ?(i didnt switched to aeroplane mode as i didnt find it anywhere).today again i will use it and compare battery life.Now as jaswinky suggested to flash it with kernel A1 i decided to 1st use it for sometime without kernel A1 and meanwhile read some more about the process of flashing with kernal A1 as it is little bit complicated process.

Guys should i try this method in link below to fix 1% battery drain for 1 hour or is it ok to have battery 1 % drop/hour while not using it.
http://forum.xda-developers.com/showthread.php?t=1840344

Ferashtc said:
Guys should i try this method in link below to fix 1% battery drain for 1 hour or is it ok to have battery 1 % drop/hour while not using it.
http://forum.xda-developers.com/showthread.php?t=1840344
Click to expand...
Click to collapse
All us have this aprox. 1% per hour battery drain. It is ok, it means more than 4 days on with the screen off (!!). What more you need??

Dude, punctuation, capitalization and grammar are your friends and will make your posts a lot easier to read and understand.

ok Jaswinky i checked again with aeroplane mode on and battery dropped 5% in approx 8 hours so it is less then 1% in aeroplane mode on and approx 1 % with aeroplane mode off without sim card inside so i think this indian ICS version dont have battery drain issue but the guy from link claims to have no battery drop by disabling google services framework tell me is it worth trying?
http://forum.xda-developers.com/show....php?t=1840344

Ferashtc said:
ok Jaswinky i checked again with aeroplane mode on and battery dropped 5% in approx 8 hours so it is less then 1% in aeroplane mode on and approx 1 % with aeroplane mode off without sim card inside so i think this indian ICS version dont have battery drain issue but the guy from link claims to have no battery drop by disabling google services framework tell me is it worth trying?
http://forum.xda-developers.com/show....php?t=1840344
Click to expand...
Click to collapse
If you use autostarts to disable some google services, you probably will not be notified of some issue as gmail, calendar, etc. You should be care using autostarts. I use autostarts to completelly disable start formsome third programs and games, and also maps, facebook, google+, that's all.
If you are not happy with having the tab with more than 4 days battery with the tab on and screen off, you can try different roms and kernels.... i am happy with this battery situation.
Regards,
Enviado desde mi GT-P7510 usando Tapatalk 2

something bad started happening last night i left tab in airplane mode on and screen off and battery dropped from 70% to 31% after approx 12 hours when i checked in day so now it consumes 3% per hour.i made sure that no program is running in backgroud wifi was off,i dont use sim mobile data off.it surprised me a lot as 1st night it consumed 1% per hour but 2nd night 3 % per hour that is too much means that if i dont put it on charge battery will drain in 1 day.plz suggest what i can do or try.
As i was reading about this problem i found some1 suggested to use cpu tuner application it is free should i give it a try?
Also some guys told to change option for background processes to off or disable to no background processes in settings -developer option if i do it will it help,do it effect the performance of tab & is it ok if i disable it only at night before sleep and again turn it on for normal usage.
some1 also suggested to turn off account & sync in settings saying this conserves the battery.do it help?i use only gmail account for google play store

jaswinky said:
All us have this aprox. 1% per hour battery drain. It is ok, it means more than 4 days on with the screen off (!!). What more you need??
Click to expand...
Click to collapse
You are right. And with the old Galaxy S, I had only one day - with not a lot of phone calls! So, with more than 24 hours, I'll be happy at all.

Ferashtc said:
something bad started happening last night i left tab in airplane mode on and screen off and battery dropped from 70% to 31% after approx 12 hours when i checked in day so now it consumes 3% per hour.i made sure that no program is running in backgroud wifi was off,i dont use sim mobile data off.it surprised me a lot as 1st night it consumed 1% per hour but 2nd night 3 % per hour that is too much means that if i dont put it on charge battery will drain in 1 day.plz suggest what i can do or try.
As i was reading about this problem i found some1 suggested to use cpu tuner application it is free should i give it a try?
Also some guys told to change option for background processes to off or disable to no background processes in settings -developer option if i do it will it help,do it effect the performance of tab & is it ok if i disable it only at night before sleep and again turn it on for normal usage.
some1 also suggested to turn off account & sync in settings saying this conserves the battery.do it help?i use only gmail account for google play store
Click to expand...
Click to collapse
Probably your tab is not entering in deep sleep. You should check it with setcpu or system tuner or similar app to discard it is your problem. If you are entering in deep sleep, check battery uses to see the wake up frequency and the top battery draining apps.
Enviado desde mi GT-P7510 usando Tapatalk 2

well i got good results last day it was like 10% drop in 8 hours with some changes i made in settings.For me sync was already off i have only gmail&samsung accounts there.i turned off in settings mobile data data usage&in wifi i changed it to only when plugged in.well it is amazing if these 2 changes can give me such good results.below are screen shots.but i think problem is still there as tab didnt go into deep sleep in both pics &constantly using 216 Mhz..Now i will try to root my tab and install betterbatterystats application to check why 216 Mhz is used always,yesterday i tried to root on tab by putting root.zip in root directory but it didnt work for me so i think i will have to root with help of odin with recovery file.I have one doubt as the cpuspy was running as application all this time so may be it is responsible for using 216 Mhz?Plz help

Ferashtc said:
well i got good results last day it was like 10% drop in 8 hours with some changes i made in settings.For me sync was already off i have only gmail&samsung accounts there.i turned off in settings mobile data data usage&in wifi i changed it to only when plugged in.well it is amazing if these 2 changes can give me such good results.below are screen shots.but i think problem is still there as tab didnt go into deep sleep in both pics &constantly using 216 Mhz..Now i will try to root my tab and install betterbatterystats application to check why 216 Mhz is used always,yesterday i tried to root on tab by putting root.zip in root directory but it didnt work for me so i think i will have to root with help of odin with recovery file.I have one doubt as the cpuspy was running as application all this time so may be it is responsible for using 216 Mhz?Plz help
Click to expand...
Click to collapse
1- Nope, CPU SPY is not respnsible.
2- You don't need to root to run better battery stats.
3- You will probably find out that the responsible is a l2_hsic wakelock. You will have to go to settings, more, kernel wakelocks.

Ferashtc said:
well i got good results last day it was like 10% drop in 8 hours with some changes i made in settings.For me sync was already off i have only gmail&samsung accounts there.i turned off in settings mobile data data usage&in wifi i changed it to only when plugged in.well it is amazing if these 2 changes can give me such good results.below are screen shots.but i think problem is still there as tab didnt go into deep sleep in both pics &constantly using 216 Mhz..Now i will try to root my tab and install betterbatterystats application to check why 216 Mhz is used always,yesterday i tried to root on tab by putting root.zip in root directory but it didnt work for me so i think i will have to root with help of odin with recovery file.I have one doubt as the cpuspy was running as application all this time so may be it is responsible for using 216 Mhz?Plz help
Click to expand...
Click to collapse
No app will solve your problem except a right kernel. You must solve asap your no deep sleep state entering issue, and usually it is because the kernel. Try a different kernel as A1 kernel (you have ICS right?), you need to root before, and try both min freq 150 and 216 (i use 150 but some people reported that they need to set to 216 min freq to enter deep sleep).
EDIT: before flashing a different kernel, try to clean the installed kernel by doing wipe cache partition and wipe dalvik cache (from CWM Recovery in rooted device). Some times it works to solve the deep sleep issue.
Enviado desde mi GT-P7510 usando Tapatalk 2

[Q] Recommended ICS ROM without battery drain ?

Hi,
What would be a recommended ICS ROM for p7500
- without battery drain issue
- rooted
- OC if possible, not necessary
I'm currently on stock ICS, having battery drain issues especially when in airplane mode (hitting I2_hsic wakelock). My device has the faulty eMMC version of the chip (MAG4FA) but luckily survided 2 wipes so far. I don't have CWM flashed so far.
Please advise what CWM to flash and how to survive the next potential flash without bricking.
Thanks!

hugo11sk said:
Hi,
What would be a recommended ICS ROM for p7500
- without battery drain issue
- rooted
- OC if possible, not necessary
I'm currently on stock ICS, having battery drain issues especially when in airplane mode (hitting I2_hsic wakelock). My device has the faulty eMMC version of the chip (MAG4FA) but luckily survided 2 wipes so far. I don't have CWM flashed so far.
Please advise what CWM to flash and how to survive the next potential flash without bricking.
Thanks!
Click to expand...
Click to collapse
A1 Kernel.

I am using the (almost) same tablet, stock ICS p7510. What is this battery drain issue in airplane mode? I wasn't aware of it.

Jane Shizuka said:
I am using the (almost) same tablet, stock ICS p7510. What is this battery drain issue in airplane mode? I wasn't aware of it.
Click to expand...
Click to collapse
It only happens to some people which cpu doesn't enter in offline or deep sleep mode... it depends of the kernel, his flashing procedure, and his voltage assignement which affects different to each tablet...
Enviado desde mi GT-P7510 usando Tapatalk 2

jaswinky said:
It only happens to some people which cpu doesn't enter in offline or deep sleep mode... it depends of the kernel, his flashing procedure, and his voltage assignement which affects different to each tablet...
Enviado desde mi GT-P7510 usando Tapatalk 2
Click to expand...
Click to collapse
So it's not really a bug or an issue per say, just a possible circumstantial side effect of tweaking..

styckx said:
So it's not really a bug or an issue per say, just a possible circumstantial side effect of tweaking..
Click to expand...
Click to collapse
If you're using a cooked ROM or a non-stock kernel, yes, it depends majorly of the user, but if you're using all ROM and kernel and everything stock, and the flashing procedure is right, it is a bug, but if you search the web you will not find a user with this issue having a just bought tab or a just picked up frommSat with this problem, so....
Enviado desde mi GT-P7510 usando Tapatalk 2

I have the stock ics rom from Tmobile, my tablet discharging curve is described below.
I think I have battery drain issue... 16% on 17 hours...
I left the tablet off and changing. Pluged off and turned it on and left discharging,idle, with screen off...
What about yours tablet? How is the discharging curve?
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RushdB said:
I have the stock ics rom from Tmobile, my tablet discharging curve is described below.
I think I have battery drain issue... 16% on 17 hours...
I left the tablet off and changing. Pluged off and turned it on and left discharging,idle, with screen off...
What about yours tablet? How is the discharging curve?
Click to expand...
Click to collapse
It is less than 1% per hour!! It is ok, it means more than 4 days on in iddle mode... (!!) and 3g version usually drains more than wifi version... if you did't enter in sleep mode, the rate would be about 5-10% per hour...
Enviado desde mi GT-P7510 usando Tapatalk 2

Drain
jaswinky said:
It is less than 1% per hour!! It is ok, it means more than 4 days on in iddle mode... (!!) and 3g version usually drains more than wifi version... if you did't enter in sleep mode, the rate would be about 5-10% per hour...
Enviado desde mi GT-P7510 usando Tapatalk 2
Click to expand...
Click to collapse
Strangely, on my P7500 with all stock Roms ICS, XXLQ8, XWLP5 and XWLP6, I have battery drain only in Flight Mode. I have the l2_hsic lock that apparently prevents the tablet to enter deep sleep. If i turn gsm on, it sleeps. Sometimes, with gsm off it also sleeps but since i travel alot, as soon as my network changes, it stops sleeping.
I'm thinking about a problem with the flight mode that does not turn off completely the gsm modem.
If i remove the sim card it sleeps tight.
Am I the only one with this problem?
Is it an hardware problem???
Still looking for an answer.

Phibs said:
Strangely, on my P7500 with all stock Roms ICS, XXLQ8, XWLP5 and XWLP6, I have battery drain only in Flight Mode. I have the l2_hsic lock that apparently prevents the tablet to enter deep sleep. If i turn gsm on, it sleeps. Sometimes, with gsm off it also sleeps but since i travel alot, as soon as my network changes, it stops sleeping.
I'm thinking about a problem with the flight mode that does not turn off completely the gsm modem.
If i remove the sim card it sleeps tight.
Am I the only one with this problem?
Is it an hardware problem???
Still looking for an answer.
Click to expand...
Click to collapse
It's the same here:
- flight mode on --> no deep sleep
- wifi & GSM on --> sleep nearly ok (still 1,5hr l2_hsic wakelock)
Only difference is with the SIM removed, mine does not sleep in this case.
So what would be the precess with the A1 kernel?
1. flash CWM (which version?)
2. flash kernel
3. wipe
Thanks.

hugo11sk said:
It's the same here:
- flight mode on --> no deep sleep
- wifi & GSM on --> sleep nearly ok (still 1,5hr l2_hsic wakelock)
Only difference is with the SIM removed, mine does not sleep in this case.
So what would be the precess with the A1 kernel?
1. flash CWM (which version?)
2. flash kernel
3. wipe
Thanks.
Click to expand...
Click to collapse
Wipe cache partition and dalvik cache and then flash a1 kernel, but ask first on A1 kernel thread about the version you should flash, i have wifi version so i cannot help you woth this...
Enviado desde mi GT-I9100 usando Tapatalk 2

I am using Toldo's JellybeanRom ICS and A1 v1.7 kernel. Its running perfect with great battery (compared to Yoda 2.1).

iTalisman said:
I am using Toldo's JellybeanRom ICS and A1 v1.7 kernel. Its running perfect with great battery (compared to Yoda 2.1).
Click to expand...
Click to collapse
Ok flashed jellybeam with a1 1.7. Looked promising but yesterday I still had 12hrs of L2_hsic wakelock. Overall baterry life is not bad. The only thing I didn't do so far is wiping battery cache - what does it exactly do, would it help?

hugo11sk said:
Ok flashed jellybeam with a1 1.7. Looked promising but yesterday I still had 12hrs of L2_hsic wakelock. Overall baterry life is not bad. The only thing I didn't do so far is wiping battery cache - what does it exactly do, would it help?
Click to expand...
Click to collapse
I don't think wipe batteri cache works... but maybe wipe cache partition and wipe dalvik cache do.
Also, some people have experimented this withnA1 kernel: 1) at min cpu freq of 150 never entered in deep sleep, but at 216 as min freq did. Try both min freq. 2) because any reason, this is my case, A1ver. 1.7 doesn't enter in deep sleep for me, neither at 150mor 216 as min freq, but ver. 1.6.4 (previous version) does, because this i have installed 1.6.4.
Regards,
Enviado desde mi GT-P7510 usando Tapatalk 2

jaswinky said:
I don't think wipe batteri cache works... but maybe wipe cache partition and wipe dalvik cache do.
Also, some people have experimented this withnA1 kernel: 1) at min cpu freq of 150 never entered in deep sleep, but at 216 as min freq did. Try both min freq. 2) because any reason, this is my case, A1ver. 1.7 doesn't enter in deep sleep for me, neither at 150mor 216 as min freq, but ver. 1.6.4 (previous version) does, because this i have installed 1.6.4.
Regards,
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Click to expand...
Click to collapse
Remember that the tab in charging mode will never enter in deep sleep mode, so you should test it with the power cable unplugged!!
Enviado desde mi GT-P7510 usando Tapatalk 2

jaswinky said:
Remember that the tab in charging mode will never enter in deep sleep mode, so you should test it with the power cable unplugged!!
Enviado desde mi GT-P7510 usando Tapatalk 2
Click to expand...
Click to collapse
(h2_hsic wakelock) is the main reason for battery drain in stock ICS.

- Yes I'm testing with charger disconnected.
- Cache and and dalvik has been wiped when flashing
The last night was ok - I turned off wifi but let 3g on - wakelock only 9 minutes and baterry only 1% drain in 8hrs. Looks like solved at the moment.

Another Tips for slove it
I found another solution for this issue in this post:
Finale Solution for Battery Drain issue

[Q] i9500 reboot issue

i have a galaxy s4 that has been water damaged, everything works on it except the dock which i am going to replace(i ordered the part)
i have installed on it the Omega rom v17
it is rooted and unlocked
here is my issue - the phone will reboot after a few seconds/minutes if the screen turns off or if i manually turn the screen off
is this a hardware or software issue?
and if hardware what part is causing the trouble?
also if software what can i do... (once i fix the usb dock i am going to restore it to stock -partition, firmware, kernal, etc..)
the phone was repartitioned with the adonis_c.pit file which gives you 11GB of internal storage instead of 8GB
Thanks

Also here's some more info
If the phone is playing music in the background and the screen turns off the phone won't reboot but if unplug the headphones from the phone or stop the music the phone will reboot upon screen timeout or turnoff
Sent from my GT-I9500 using XDA Premium HD app

NewDev4IOS said:
i have a galaxy s4 that has been water damaged, everything works on it except the dock which i am going to replace(i ordered the part)
i have installed on it the Omega rom v17
it is rooted and unlocked
here is my issue - the phone will reboot after a few seconds/minutes if the screen turns off or if i manually turn the screen off
is this a hardware or software issue?
and if hardware what part is causing the trouble?
also if software what can i do... (once i fix the usb dock i am going to restore it to stock -partition, firmware, kernal, etc..)
the phone was repartitioned with the adonis_c.pit file which gives you 11GB of internal storage instead of 8GB
Thanks
Click to expand...
Click to collapse
Better to dry your phone in Sunlight for one day (backside with removed battery) and then check if it presists then contact repairer it will tell you the problem. It seems to be HW Problem!
Sent from my A2 using Tapatalk 2

NewDev4IOS said:
Also here's some more info
If the phone is playing music in the background and the screen turns off the phone won't reboot but if unplug the headphones from the phone or stop the music the phone will reboot upon screen timeout or turnoff
Sent from my GT-I9500 using XDA Premium HD app
Click to expand...
Click to collapse
I am 99% sure your issue has to do with deep sleep CPU state. When the phone had no activity (screen off and no app in frontground) cpu get a idle state of non consumption. When your phone enters in this state, it fails and restarts.
Does your custom rom make undervolting? It could be a reason in low frequency...
If you are not sure, i would suggest to install, first, a different custom kernel compatible with your rom (or even reflash same kernel) and see if it fixes it. If not, install a stock rom just to be sure your issue is not because your custom rom. If issue persists after flashing stock rom, then i would be rather sure your motherboard is damaged (big problem).
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jaswinky said:
I am 99% sure your issue has to do with deep sleep CPU state. When the phone had no activity (screen off and no app in frontground) cpu get a idle state of non consumption. When your phone enters in this state, it fails and restarts.
Does your custom rom make undervolting? It could be a reason in low frequency...
If you are not sure, i would suggest to install, first, a different custom kernel compatible with your rom (or even reflash same kernel) and see if it fixes it. If not, install a stock rom just to be sure your issue is not because your custom rom. If issue persists after flashing stock rom, then i would be rather sure your motherboard is damaged (big problem).
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Thanks, I have installed a custom touch wiz firmware, the phone is completely dry(I took a blow dryer to it, rice, and a toothbrush, and a few weeks of non use)
So I'm probably looking at a hardware problem if it continues to do it after I put everything to stock even partition
I will install stock in about a week from now(part eta is WED.)

jaswinky said:
I am 99% sure your issue has to do with deep sleep CPU state. When the phone had no activity (screen off and no app in frontground) cpu get a idle state of non consumption. When your phone enters in this state, it fails and restarts. "You are probably right on the money with this"
Does your custom rom make undervolting? It could be a reason in low frequency... "I don't think so"
If you are not sure, i would suggest to install, first, a different custom kernel compatible with your rom (or even reflash same kernel) and see if it fixes it. If not, install a stock rom just to be sure your issue is not because your custom rom. If issue persists after flashing stock rom, then i would be rather sure your motherboard is damaged (big problem).
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Thank you.
-- the "" items I entered in --

Hell_X said:
Better to dry your phone in Sunlight for one day (backside with removed battery) and then check if it presists then contact repairer it will tell you the problem. It seems to be HW Problem!
Sent from my A2 using Tapatalk 2
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Click to collapse
The phone is completely dry
Thanks for your input

location of HW component
Where is the deep sleep CPU state component found on the motherboard, thanks. Well, whatever controls the deep sleep CPU state.

Where is the deep sleep CPU state component found on the motherboard, thanks. Well, whatever controls the deep sleep CPU state.
Click to expand...
Click to collapse
No, deep sleep cpu state management is not a hardware component, but a software (kernel) feature which disconnects power supply to cpu when no activity. A malfunction of this software feature can be caused by both, or a bad firmware or kernel configuration, o a hardware damage causing the kernel malfunction. To be sure what of both options is causing your problem, you only can install a different kernel or a stock kernel and rom, and see if still happen... (if so, it is a hardware problem, motherboard damaged). Otherwise you will not be able to be sure which option is causing your issue.
Enviado desde mi GT-I9500 usando Tapatalk 2

jaswinky said:
No, deep sleep cpu state management is not a hardware component, but a software (kernel) feature which disconnects power supply to cpu when no activity. A malfunction of this software feature can be caused by both, or a bad firmware or kernel configuration, o a hardware damage causing the kernel malfunction. To be sure what of both options is causing your problem, you only can install a different kernel or a stock kernel and rom, and see if still happen... (if so, it is a hardware problem, motherboard damaged). Otherwise you will not be able to be sure which option is causing your issue.
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If it turns out to be a hardware problem what would be the possible bad components on the motherboard or if the whole motherboard is bad? Thanks

NewDev4IOS said:
If it turns out to be a hardware problem what would be the possible bad components on the motherboard or if the whole motherboard is bad? Thanks
Click to expand...
Click to collapse
That's unpredictable. It could be any oxidation in a chip pin, or bad impedance due to humidity between two pins in cpu (processor) chip or any of the rest dozens of chips in motherboard... A technical service would repair it by changing the motherboard by a new one (it is often too expensive to test all components in motherboard because the work time...)
Enviado desde mi GT-I9500 usando Tapatalk 2

thanks
jaswinky said:
That's unpredictable. It could be any oxidation in a chip pin, or bad impedance due to humidity between two pins in cpu (processor) chip or any of the rest dozens of chips in motherboard... A technical service would repair it by changing the motherboard by a new one (it is often too expensive to test all components in motherboard because the work time..
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thanks, well i fixed the usb port it came in today just downloading windows 7 so i can flash stock firmware via odin as odin does not support windows 8.1 pro 64bit

testing
jaswinky said:
That's unpredictable. It could be any oxidation in a chip pin, or bad impedance due to humidity between two pins in cpu (processor) chip or any of the rest dozens of chips in motherboard... A technical service would repair it by changing the motherboard by a new one (it is often too expensive to test all components in motherboard because the work time...)
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i hope this is not to much to ask but how would i test each component for the oxidation or bad impedance? i did google search this but found nothing

NewDev4IOS said:
i hope this is not to much to ask but how would i test each component for the oxidation or bad impedance? i did google search this but found nothing
Click to expand...
Click to collapse
Seriously? Have you seen the motherboard and its chips and pins? It is impossible without lab tools! Usually they have a pc to test components... I think...
Enviado desde mi GT-I9500 usando Tapatalk 2

update on phone
jaswinky said:
Seriously? Have you seen the motherboard and its chips and pins? It is impossible without lab tools! Usually they have a pc to test components... I think...
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i am still waiting for windows 7 to finish downloading
ok so heres the update
the phone does not reboot when charging or connected to a usb port on the computer
so im not sure what the problem is since it doesnt reboot when charging or connected to pc

reply
jaswinky said:
Seriously? Have you seen the motherboard and its chips and pins? It is impossible without lab tools! Usually they have a pc to test components... I think...
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ok, where can i get the lab tools as i am willing to test each component (plenty of time on my hands, a little too much) and thanks

NewDev4IOS said:
ok, where can i get the lab tools as i am willing to test each component (plenty of time on my hands, a little too much) and thanks
Click to expand...
Click to collapse
OK, i now, you are joking... Ha ha... When i say lab tools, i don't mean a simple tester or polymetter, i mean oscilloscopes, work banks, interfaces, maybe technical and sophisticated Samsung software, etc... We are speaking about thousands dollars...
Enviado desde mi GT-I9500 usando Tapatalk 2

oh
jaswinky said:
OK, i now, you are joking... Ha ha... When i say lab tools, i don't mean a simple tester or polymetter, i mean oscilloscopes, work banks, interfaces, maybe technical and sophisticated Samsung software, etc... We are speaking about thousands dollars...
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ok, so i guess all hope is lost for my motherboard
thank you for your help.

NewDev4IOS said:
ok, so i guess all hope is lost for my motherboard
thank you for your help.
Click to expand...
Click to collapse
Yes, sorry, i told you, if you discard a software problem, hardware fixing would pass across technical service and /or warranty. Maybe you can open it and see if you detect by simply watching any sign of oxidation and clean it, but very poor possibilities... The question is, did you discard a software problem by installing a different kernel or a stock rom? I absolutely would not discard this option...
Enviado desde mi GT-I9500 usando Tapatalk 2

havent installed windows 7 yet
jaswinky said:
Yes, sorry, i told you, if you discard a software problem, hardware fixing would pass across technical service and /or warranty. Maybe you can open it and see if you detect by simply watching any sign of oxidation and clean it, but very poor possibilities... The question is, did you discard a software problem by installing a different kernel or a stock rom? I absolutely would not discard this option...
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i still havent installed windows 7 so i can flash stock, but i will be installing windows 7 in a few minutes (Feb4 - 10:50am)
i have checked the motherboard and there is corrosion, and i have tried cleaning it but i was unable to get it off.
it used to not turn on at all but i cleaned it a few weeks ago and it booted up
i just replaced the usb port but it still does not work correctly (software or motherboard issue)

Terrible battery life

attery life after 7.0 update is terrible, first beta was great I got 6-7 hour of SOT, now I get only 2 hours, what about you guys ? (4G always on, AOD on, internet browsing, messenger, light gaming)

That's suprising. I am getting great battery life since Nougat 7.0
Stock firmware.
Around 110 apps installed
No battery saving apps (such as Greenify).
No apps are optimized for battery saving.
Always on Display enabled.
Auto Brightness Enabled
GPS turned on
Sync turned on

CuBz90 said:
That's suprising. I am getting great battery life since Nougat 7.0
Click to expand...
Click to collapse
Look at mine
Envoyé de mon SM-G935F en utilisant Tapatalk

i am having the same issue but not from nougat i usually got 5h SOT max
AOD is turned off sync and location always off i guess there is a problem with the battery or the phone i tried factory reset didn't help

speed s said:
Look at mine
View attachment 4017723View attachment 4017725
Envoyé de mon SM-G935F en utilisant Tapatalk
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Awesome! It seems some people are just unlucky. Or maybe they have apps using a lot of battery.

CuBz90 said:
Awesome! It seems some people are just unlucky. Or maybe they have apps using a lot of battery.
Click to expand...
Click to collapse
lol yeah maybe the guy who posted should drop accu battery app to begin with. :/ don't know.

My battery life is on par with my original March 2016 MM release, which is pretty decent. I did have huge battery season at first on nougat, but removing the built in news app seemed to resolve this. Not sure if that was coincidence though.

Which rom are you guys using? I have 7.0 BTU. Battery life is average, not better than MM. 4.5 hours.
Enviado desde mi SM-G935F mediante Tapatalk

I'm squeezing 8hours only using greenify and doze

having 10%/Hr standby drain ..

Sn0wFl4keZ said:
having 10%/Hr standby drain ..
Click to expand...
Click to collapse
That's obnoxious man. Mine is not even draining 1%/h when it's standby.
Generally I'm so satisfied with s7e battery, whole day with data/WiFi turned on, still remains like 20% when I'm going to bed.
Sent from my SM-G935F using Tapatalk

bekasulaberidze said:
attery life after 7.0 update is terrible, first beta was great I got 6-7 hour of SOT, now I get only 2 hours, what about you guys ? (4G always on, AOD on, internet browsing, messenger, light gaming)
Click to expand...
Click to collapse
Having the same issue. unplugged at 100% and went to sleep for 5 hours. came back and the phone was at 72%. Not normal at all for me.

standby is great but while using the phone the battery drains a lot more in nougat than marshmallow, even the hd and fhd options seems useless coz they don't help a lot with saving the battery. the moment i unlock my device and start using it the battery starts to drop immediately .may be need to visit service centre.

Using the device for more than 1 hour and its showing 38 minutes moreover no detail of usage is it a bug? Fee minutes ago it was showing correct

XxReApErxX said:
Which rom are you guys using? I have 7.0 BTU. Battery life is average, not better than MM. 4.5 hours.
Enviado desde mi SM-G935F mediante Tapatalk
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I am also using Android 7.0 BTU stock firmware

CuBz90 said:
I am also using Android 7.0 BTU stock firmware
Click to expand...
Click to collapse
Same. Gonna re-flash, and see if it helps. I did the standard update 1st time around.

saurabh808 said:
standby is great but while using the phone the battery drains a lot more in nougat than marshmallow, even the hd and fhd options seems useless coz they don't help a lot with saving the battery. the moment i unlock my device and start using it the battery starts to drop immediately .may be need to visit service centre.
Click to expand...
Click to collapse
I need to charge it twice a day as I mentioned firat beta was perfect, I Don't know what to do......

Massive battery drain on (Exynos) International S10+ after new firmware: G975XXU3ASIE

Hi,
I just downloaded the new firmware for my S10+ exynos version via OTA. The firmware version is G975XXU3ASIE
I'm getting terrible battery drain after installing it. I've rebooted and wiped cache, but it hasn't made a difference. I can't seem to find what is causing the drain. Normally I am able to have my phone running the whole day and when I wake up the next morning it's be at 40-50% battery left. Now it's about 20% left instead, so theres definitely a huge drain.
Do I need to factory reset to resolve this issue?
Any ideas on what the problem could be? From what it looks like google play services is taking a massive amount of battery, but not running for a long time. Also, whattsasp, twitter and other social media services. But those weren't a problem before. I feel like play services might be the issues. So I cleared data on play services but hasn't seemed to make a difference.
Any other solutions, or do I need to factory reset? Thanks!
I've attached my battery stats for today, and for the week.
Any help would be greatly appreciated, thanks guys!

Can anyone offer some advice?
Sent from my SM-G975F using Tapatalk

On Android system turn off allow background activity... See if it helps?!

Doesn't that just turn back on when you restart the phone?
Sent from my SM-G975F using Tapatalk

eyeatoma said:
Doesn't that just turn back on when you restart the phone?
Click to expand...
Click to collapse
How much screen time are you getting roughly on a full charge?

3 hrs... Used to be 6 or 7.
Sent from my SM-G975F using Tapatalk

if u have a exynos F variant how the heck did u get an X update? I though the X variants were reserved for LDUs?

eyeatoma said:
3 hrs... Used to be 6 or 7.
Click to expand...
Click to collapse
Yeah that does not sound right my exynos s10 plus gets around 4.5 hours if I play an hour of pubg in my lunch break 5or 6 if I dont have you tried a factory reset ?

I've done one now. I'll report back.
Sent from my SM-G975F using Tapatalk

elliwigy said:
if u have a exynos F variant how the heck did u get an X update? I though the X variants were reserved for LDUs?
Click to expand...
Click to collapse
Think I gave the wrong firmware number. Here it is. View attachment 4841061
Sent from my SM-G975F using Tapatalk

Factory reset it

works perfectly does not drain.. It works perfectly does not drain, you would have to uninstall the junk apps