Develop Bugs

Does your GPS turn on by itself? find out why!

Has anyone done anything about Carrier IQ in this phone? anyway to kill the bastard? i am hoping that just renaming the libiq_service.so will kill it.
someone with a backup try it and tell me if your phone bootloops my phone is only a month old and i can't risk to brick it just yet.
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Looking for a solution myself to o...I tried some app called 'disable services' from the playstore and disabled carrier IQ service...but I think it is turning itself on again after reboot...however the iqd process memory usage goes down to 2 mb after disabling and running services under android system shows 0, so maybe it does not remove ciq but disables it
Edit - it seems the 2 files related to ciq are under /system/lib - libIQ_client.so, libiq_service.so
If you are rooted, these 2 files can be deleted...but it may cause serious issues ( bootloops, force closes etc) ..I will try deleting these files sometime later, when I have more time to work on the phone
Sent from my LG-E980 using Tapatalk

I've read through a bunch of posts on this and agree that the GPS will turn on for no reason. Today was a good example it was on most all of today and I have no idea why.
So I decided to look around and while playing with Disable Service app from the market I found something about Carrier IQ. I can disable it so I did. Since doing so this afternoon my GPS hasn't been on and I cannot report any ill effects. Does it work? You be the judge... by the way this will require root access on your phone. My results are based on a brand new stock AT&T Optimus G Pro, well stock with root.
Process:
1. go to Google Play market and install "Disable Service" by WANGQI060934
2. open the app, swipe sideways to System Apps page
3. look for Android System, click on it
4. click on IQService to uncheck it
5. be happy!
I have confirmed this remains disabled after reboot. :good:

mk3 said:
I've read through a bunch of posts on this and agree that the GPS will turn on for no reason. Today was a good example it was on most all of today and I have no idea why.
So I decided to look around and while playing with Disable Service app from the market I found something about Carrier IQ. I can disable it so I did. Since doing so this afternoon my GPS hasn't been on and I cannot report any ill effects. Does it work? You be the judge... by the way this will require root access on your phone. My results are based on a brand new stock AT&T Optimus G Pro, well stock with root.
Process:
1. go to Google Play market and install "Disable Service" by WANGQI060934
2. open the app, swipe sideways to System Apps page
3. look for Android System, click on it
4. click on IQService to uncheck it
5. be happy!
I have confirmed this remains disabled after reboot. :good:
Click to expand...
Click to collapse
Thanks for this I will report back in 24 Hours since the service itself seems to turn itself back on. also the "main process" still is loaded in Running Apps>Android System and it cut itself from 5mb to 2.5mb by disabling it.

mk3 said:
I've read through a bunch of posts on this and agree that the GPS will turn on for no reason. Today was a good example it was on most all of today and I have no idea why.
So I decided to look around and while playing with Disable Service app from the market I found something about Carrier IQ. I can disable it so I did. Since doing so this afternoon my GPS hasn't been on and I cannot report any ill effects. Does it work? You be the judge... by the way this will require root access on your phone. My results are based on a brand new stock AT&T Optimus G Pro, well stock with root.
Process:
1. go to Google Play market and install "Disable Service" by WANGQI060934
2. open the app, swipe sideways to System Apps page
3. look for Android System, click on it
4. click on IQService to uncheck it
5. be happy!
I have confirmed this remains disabled after reboot. :good:
Click to expand...
Click to collapse
Did the steps stated above, rebooted and the IQService still shows as not being checked, i.e. disabled from start-up.

Ok been over 24 hours and gone through 6 reboots (for good measure) and the service remains disabled. +1 for the consumer!

otherwise
mk3 said:
Ok been over 24 hours and gone through 6 reboots (for good measure) and the service remains disabled. +1 for the consumer!
Click to expand...
Click to collapse
I too had this then I installed BeanStalk 4.3 and it does not happen...

vivebatu said:
Looking for a solution myself to o...I tried some app called 'disable services' from the playstore and disabled carrier IQ service...but I think it is turning itself on again after reboot...however the iqd process memory usage goes down to 2 mb after disabling and running services under android system shows 0, so maybe it does not remove ciq but disables it
Edit - it seems the 2 files related to ciq are under /system/lib - libIQ_client.so, libiq_service.so
If you are rooted, these 2 files can be deleted...but it may cause serious issues ( bootloops, force closes etc) ..I will try deleting these files sometime later, when I have more time to work on the phone
Sent from my LG-E980 using Tapatalk
Click to expand...
Click to collapse
Yeah, definitely DO NOT delete or rename those 2 files. It caused android.phone to force close. It also stopped my ability to receive text messages.
I deleted the Carrier IQ after backing it up with Titanium BU and that did not affect anything. Renaming those 2 remaining files, however, did affect things.

stevegrin said:
Yeah, definitely DO NOT delete or rename those 2 files. It caused android.phone to force close. It also stopped my ability to receive text messages.
I deleted the Carrier IQ after backing it up with Titanium BU and that did not affect anything. Renaming those 2 remaining files, however, did affect things.
Click to expand...
Click to collapse
Um hello im new here and I didn't know we weren't supposed to delete these files until i came across this thread is there anyway i can possibly getthem back I would really like to receive text messages again.

GPS, Stock AT& LG OG Pro - Further Developments???
Without a doubt I need advise and assistance with this GPS issue.
I activated my new LG Optimus G Pro Saturday. The GPS began turning itself on yesterday so, I went to Settings and discovered it was on. I disabled it with the soft toggle switch, but had to repeat this several times throughout the day. This is annoying! This morning I turned the phone on GPS came on right away so, I checked Settings and it is disabled. No quality concern here...
I see I can download an application from the Play Store to disable, but also noted the update to a newer version of Android.
Please advise regarding my best option for be rid of this nonsense.

The steps I posted above should work for you. It still works for me on latest 10p software update.

Disabling GPS in 10P
I found and downloaded the 'Disable Service', but have not determined a known safe method to root my e980. Bin4ry's method appears to be suitable, but I need to read more. I also noticed the Asian version of Root Master being discussed as a universal method for rooting, but the warning regarding its use caused me to search for Bin4ry's method.

the asian version worked fine for my att lg e98010.what warning are u talking about worked fine for me

Apps crashing and scroll lagging - anything specific in Note 3 that caused this?

I am coming from Nexus 5 and Nexus 7 and I have installed many apps with no issues. When I moved to Note 3, the same apps that were running just fine in the Nexus 5 and 7 start to have problem:
- Apps opened up, perform certain activity, crashed
- Apps opened up, vertical and horizontal scrolling is really laggy
These apps are like Pocket Informant (calendar app), Pocket Money (financial app), and Shiprack (package tracking), just to name a few.
Seeing all these apps functions well in the Nexus series, the problem seems to point to something within the Note 3.
I am rooted, stock, Knox is NOT tripped. I turned off all animation (0) in the Developer settings. I frozen some built-in apps (see below). Is there anything in Note 3 that I need to UNFROZE or anything I need to do to fix this problem? It's kinda hard to like the Note 3 when the same apps that works well in other phone just quit working...
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You froze over 70 apps off the stock ROM? I have at most 20 and don't have the issues you are having. Guess you froze something that is needed.

krelvinaz said:
You froze over 70 apps off the stock ROM? I have at most 20 and don't have the issues you are having. Guess you froze something that is needed.
Click to expand...
Click to collapse
Yeah, many of these are widgets, or things like Google+, which I froze in my old Nexus phone and tablet with no issue.
I scrutinized each app that I froze to figure out what are its function to make sure it won't cause problem. But it seems something is tied with TouchWiz or vice versa. For example, if i turned off animation, rearranging apps in folder sometimes crash TouchWiz, which is bizarre by itself.
Do you mind letting me know which apps did you freeze? Screenshot is appreciated.

Attached

krelvinaz said:
Attached
Click to expand...
Click to collapse
Thanks, Man! Sorry for the delay in replying, the new Tapatalk notification screen is not very intuitive. I.e. now I see each post instead of the forum title, so i got a bazillion entries...
Anyhow, could you repost the image? It didn't show in the forum.

It is in your reply above. I can see it fine. Using tapatalk 4

Looks like AdAway is blocking tapatalk image hosting... that's interesting...
Anyways, I can see it from my desktop. Looks like you use many of Samsung apps (Cloud, Backup, Group Play, etc.) since those were not frozen.
I am going to unfroze Samsung stuff to see if it make any different...

lanwarrior said:
... Looks like you use many of Samsung apps (Cloud, Backup, Group Play, etc.) since those were not frozen.
Click to expand...
Click to collapse
I don't use them, but they have not been a bother. I only freeze apps that cause problems, like Knox, or snoop around like the T-Mobile app.

krelvinaz said:
I don't use them, but they have not been a bother. I only freeze apps that cause problems, like Knox, or snoop around like the T-Mobile app.
Click to expand...
Click to collapse
How about battery life? Don't those stuff keeps running in the background?

If I do a hard reset, will:
- all frozen apps are unfrozen?
- all xposed module uninstalled and system settings like battery icon reverted back?
I am rooted, stock with no KNOX trip
I may have to do this to fix the issues I am having.

lanwarrior said:
If I do a hard reset, will:
- all frozen apps are unfrozen?
- all xposed module uninstalled and system settings like battery icon reverted back?
I am rooted, stock with no KNOX trip
I may have to do this to fix the issues I am having.
Click to expand...
Click to collapse
Just unfreeze everything. Just remember, Nexus means pure AOSP. Samsung means TouchWiz, which has a ton of things needed to run "correctly."
Sent from my SM-N900T using xda app-developers app

lanwarrior said:
How about battery life? Don't those stuff keeps running in the background?
Click to expand...
Click to collapse
Just because something is running in background doesn't mean it is using the battery. This phone has lot of memory compared with most so for the most part it doesn't really matter.
Things that use the battery a lot are apps that use the Radio, actively use GPS and bluetooth being on. I only have BT on when I am using it in the truck. I always have GPS on because I don't use many apps that actively use it (Google maps uses it when you are navigating or have it active on the screen, but stops using it when you put it in the background).
Battery life is really in hands of the user and how they use their phone and what apps they choose to use.
For me, I get typical 15hrs of life in my phone (that would be down to the 20's% area) which is more than adequate for me.
I don't have time to play games and my phone is required for business so if the phone doesn't ring when someone calls, notify me when a page comes in or I cant make a call when I need to or access data that I need to access, it is useless to me.
As a result, I don't load different roms, play with kernals and do a lot of tweaking because that typically ends up with something not working.
I do have the ability to quick charge my phone at just about every where I go. So if I know I am going somewhere where I will be hanging out for a long time, I can do a quick charge to make sure I can do it. My truck, each computer station at work and home has 2amp charging available which charges as quick as the original charger that comes with the phone. I rarely need to do that however.
When I rooted for 4.4.2 I blew the Knox flag. No longer cared. At one time I thought I might need it for work but that is not going to be the case and I am confident that if I have a real hardware issue it will be covered with the coverage that I have on the phone.

Shawn said:
Just unfreeze everything. Just remember, Nexus means pure AOSP. Samsung means TouchWiz, which has a ton of things needed to run "correctly."
Sent from my SM-N900T using xda app-developers app
Click to expand...
Click to collapse
Yeah, I have done that, but some issues still happen, namely the apps that I use. It could be just the apps, but I am trying to narrow down the problem.
I have used Samsung phone before (Galaxy Note 1 and S4 Active) and even HTC phone. Freezing built-in apps never caused this kind of issue (3rd party apps from Google Play crashed), as long as I don't freeze those I know is essential (for example, I won't freeze "Phone" or "Touchwiz"). If you see from my screenshot above, although I freeze a lot of apps, most are widgets and apps like Google Music, etc.
However, It seems that with Note 3, Samsung make Touchwiz more integrated.

[UPDATE]
Unfreezing ALL the apps I previously froze did not fix the problem. I rebooted, pull the battery, etc.
So I did a hard reset and...lo and behold, all the issues I had disappeared - the apps downloaded from Google Play no longer crashing or have scrolling lag.
There must be something in Touchwiz that "hooks" to these 3rd party apps, though I don't know what it is. It is quite interesting that Samsung will do this (first Knox, now this?), when I didn't have this problem with previous Samsung phone when I installed the SAME EXACT apps and Xposed module.
I will try to freeze the built-in app one-by-one and see if there is any issue there.

Note 4 is stuttering and laggy

Got my note 4 and it seems to be stuttery and laggy mostly when scrolling through menus and Internet pages and while typing it is very stuttery . Anyone getting the same thing ?

mrlaigle said:
Got my note 4 and it seems to be stuttery and laggy mostly when scrolling through menus and Internet pages and while typing it is very stuttery . Anyone getting the same thing ?
Click to expand...
Click to collapse
Nope. But the first thing I did was go through and disable/uninstall every bit of bloatware that was possible. Phone is smooth as butter...

nah mine is nice and smooth. only typing lag I get is with swiftkey on hangouts bc hangouts is a horribly coded lagfest.
Sent from my Samsung Galaxy Note 4 using Tapatalk.

mrlaigle said:
Got my note 4 and it seems to be stuttery and laggy mostly when scrolling through menus and Internet pages and while typing it is very stuttery . Anyone getting the same thing ?
Click to expand...
Click to collapse
I had the very same issue. I discovered my fingerprint scanner didn't work and no one could hear me during phone calls. I also had what i thought was high battery usage (probably a bad fingerprint module). I exchanged mine for a new one, and that one works perfectly. Hope this helps.

I had that problem when I went to art runtime but switched back to dalvik and perfectly fine. Even on art my phone would turn on the screen for odd reasons and find myself calling someone but not even an issue on dalvik.

nuket74 said:
I had the very same issue. I discovered my fingerprint scanner didn't work and no one could hear me during phone calls. I also had what i thought was high battery usage (probably a bad fingerprint module). I exchanged mine for a new one, and that one works perfectly. Hope this helps.
Click to expand...
Click to collapse
Just tried the fingerprint scanner and everything there works fine.
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Nothing weird on battery drainage.

mrlaigle said:
Got my note 4 and it seems to be stuttery and laggy mostly when scrolling through menus and Internet pages and while typing it is very stuttery . Anyone getting the same thing ?
Click to expand...
Click to collapse
yea sorry to tell you but you def got a defective device... this phone is the smoothest and fastest device I have ever experienced... go get a new one before it is too late!

Everything has been pretty smooth for me. Only thing is the delay when using the recent apps button.

Wipe first then post..
Wipe first and then post. Being a new phone I really didn't think a wipe would help. After resetting it appears to work correctly the typing lag is gone and scrolling seems to transition fluidly. I'll play the rest of the day and see if it reverts or stays like this.
So to the developers. . What on a fresh , new phone would cause it to act laggy ? And how would a data reset correct it? We are not flashing roms, and the os is untouched during a factory reset.. it's not like I Odined the system over to replace a corrupt system file. Any thoughts ?

Mine works fine. Disabled a bunch of apps and slapped apex launcher on it. So far I'm happy just wishing for root still.

mrlaigle said:
Wipe first then post..
Wipe first and then post. Being a new phone I really didn't think a wipe would help. After resetting it appears to work correctly the typing lag is gone and scrolling seems to transition fluidly. I'll play the rest of the day and see if it reverts or stays like this.
So to the developers. . What on a fresh , new phone would cause it to act laggy ? And how would a data reset correct it? We are not flashing roms, and the os is untouched during a factory reset.. it's not like I Odined the system over to replace a corrupt system file. Any thoughts ?
Click to expand...
Click to collapse
Is it laggy with battery saving mode on or even with normal mode?? I found my laggy and froze with battery saving mode on. I have tried to factory reset and do a rom recovery, disabled all the bloat but no help. so I request for a new one. If suggest if anything is not normal, just get a new one while you're under 14 days warranty period.

Yeah I just might.

mrlaigle said:
Yeah I just might.
Click to expand...
Click to collapse
Yep, mine has froze and reboot issue, I called VZ and they you should get it in 2 days. They will put the charge on your account (no need for credit card), once received the new device, just ship back the old one and they will credit back 312$ to your account. You must call VZ technical support, not customer service. Tech support has the power to do anything with your phone. Good luck!

The only time I've come across stuttering/lag is playing Sky Force 2014. This game will just not play smoothly on the Note 4. It's very fluid on the S5 however. Maybe it's the upgrade in resolution. I don't know.

Getting ridiculous lag in Hangouts and there is a bit of delay on the recent apps.
I chalk it up to Hangouts being crappy and Samsung being lazy with the recent apps impelentation.. everything else is butter.

Well here is the weird part about mine, it was lag free until i tried flashing a rom. N910w8 model. Then went to tri finger scanner and the app dont launch i get an error, just my luck

crazed_z06 said:
Getting ridiculous lag in Hangouts and there is a bit of delay on the recent apps.
I chalk it up to Hangouts being crappy and Samsung being lazy with the recent apps impelentation.. everything else is butter.
Click to expand...
Click to collapse
I am also getting lag in hangouts and it doesn't scroll down when I type a message and send it.
Also - Put the note 3 and note 4 next to each other, home screen, say "okay google" note 3 beats it by a full second every time.

I'm on art and I have no lag whatsoever it's as smooth as my m8 was and way smoother then my g3 was.
Sent from my SM-N910V using XDA Premium HD app

J3ff said:
I am also getting lag in hangouts and it doesn't scroll down when I type a message and send it.
Also - Put the note 3 and note 4 next to each other, home screen, say "okay google" note 3 beats it by a full second every time.
Click to expand...
Click to collapse
omfg that's the worst! my tab s does that. since day 1 it won't scroll down which lags it even harder. my note 4 does though, as did all my phones. but the tablet refuses to. I don't get why the hell it doesn't scroll automatically!
Sent from my Samsung Galaxy Note 4 using Tapatalk.

J3ff said:
I am also getting lag in hangouts and it doesn't scroll down when I type a message and send it.
Also - Put the note 3 and note 4 next to each other, home screen, say "okay google" note 3 beats it by a full second every time.
Click to expand...
Click to collapse
Did you turn off animation under the developer tab? It has to be at at least .5

lollipop issues fixed with one app....

Okay I have a note 4 and ever since 5.0 and even 5.1 my phone with wifi on would lag .... chrome would load slow, some apps wouldn't load, app store would take minutes for everything to load, facebook, etc.....
I downloaded DNSet from app store set it to auto start and now my phone is 100% working no problems, this is after many cache wipes, factory resets....
Hope this helps someone if they are having problems like I have.

An app is worth a shot...I downloaded it, and have it set, so we will see how well it does...I notice a little bit of speed increase when opening up Web pages and apps. If this keeps up, thanks for the info.

I use package disabler. https://play.google.com/store/apps/details?id=com.ospolice.packagedisablerpro&hl=en

Thanks to you both! These apps rock!

Yeah, package disabler made this phone way quicker and improved battery life dramatically. Thank you for the suggestion.
Sent from my SAMSUNG-SM-N910A using Tapatalk

What apps are safe to disable?

ramharder said:
What apps are safe to disable?
Click to expand...
Click to collapse
The app knows what is safe. You hit remove all bloatware and it does it for you. I had to turn back on my calendar and a few things, but its really easy.

Dnset made my browser easily 10x faster.

Yeah I just used the other app with DNSet and now my phone is like it was when I first bought it.

Just downloaded both of these and they've worked wonders! Only complain is that DNSet leaves the icon in my notification tray all the time.

Falchion17 said:
Just downloaded both of these and they've worked wonders! Only complain is that DNSet leaves the icon in my notification tray all the time.
Click to expand...
Click to collapse
Long press the notification in the pull down, tap the little "i." Then uncheck "show notifications."
Sent from my SAMSUNG-SM-N910A using Tapatalk

spexwood said:
Long press the notification in the pull down, tap the little "i." Then uncheck "show notifications."
Sent from my SAMSUNG-SM-N910A using Tapatalk
Click to expand...
Click to collapse
Thanks, I just did this but priority notifications for it were already turned off:
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I've noticed that when on WiFi (on 5.1.1) that my battery drains at least twice as fast than when it's off. Could DNSet or Package Disabled apps mentioned here correct this problem?

Falchion17 said:
Thanks, I just did this but priority notifications for it were already turned off:
removed][/QUOTE]
HUUUUUGE screenshot, LOL. :D
That's odd. Normally there are 2 options: Set as Priority and Block. Block is missing and would've blocked all notifications from that app. So for some reason, the app designer decided that the notification is necessary and should never be removed :(
Sorry. I thought what I said would've helped. :([COLOR="Silver"]
[SIZE=1]---------- Post added at 03:43 PM ---------- Previous post was at 03:40 PM ----------[/SIZE]
[/COLOR][QUOTE="jack man, post: 63423817, member: 2138845"]I've noticed that when on WiFi (on 5.1.1) that my battery drains at least twice as fast than when it's off. Could DNSet or Package Disabled apps mentioned here correct this problem?[/QUOTE]
I don't know about DNSet since I'm not actually using it, but Package Disabler might at least help increase battery life in other areas, causing the wifi drain to be less noticeable.
Click to expand...
Click to collapse

I could not get DNSet to work, but I use package disabler and greenify. Really improved my battery life.

So after installing Package Disabler I can't save any screen writing I do. When I go to save it just says, "Screen Write has stopped". I've gone through the list of packages that are disabled and I've re-enabled everything that looked like it could be related to the S-Pen but no dice. Anyone else experienced this or have any ideas?

I use S NOTE all the time and no issues with Package Disabler. Try rebooting your phone after enabling packages possibly related.
Sent from my SAMSUNG-SM-N910A using Tapatalk

jack man said:
I've noticed that when on WiFi (on 5.1.1) that my battery drains at least twice as fast than when it's off. Could DNSet or Package Disabled apps mentioned here correct this problem?
Click to expand...
Click to collapse
I have this same issue; not sure what's going on. Haven't been able to rectify it. Luckily the only time I'm on WiFi is when I'm home and can charge, but it is very annoying.

Package Disabler Pro app disable my Message app. Can't text anymore. Don't use Disable All Bloatware feature guys
Sent from my SAMSUNG-SM-N910A using Tapatalk

For spen - screen write has stopped
I had to reenable MyScript Resource Manager.

Not receiving notifcations/Receiving them late - Note 10+/Exynos

Hey guys.
I have been using this phone for a number of days, and it seems like ever since I activated a battery saving option which I can't seem to single out, I stopped receiving notification when the phone is locked and/or I'm receiving them with a delay. receiving
I'm also having a problem with things that requires the phone to have an active data/wi-f- connection when locked, like WhatsApp Web or Google photos backup.
There is no data/wi-fi saving or limiting option enabled. I specifically added gmail, whatsapp and other app that I wish to receive lock notifications from to the "Not optimized" list.
I'm attaching my battery settings screenshots for reference.
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I would really appreciate your help.
Thanks.

This issue is old for like 2 years now.
Happening in my note 8, 9 and now 10.
Not a single solution that will work.

I'm having the same problem. Never had it before

Follow these steps! I found my Zedge app that controls my custom notifications in the 'Sleeping Apps' container. Once I removed the app, all my notifications started working again.

discothan said:
Follow these steps! I found my Zedge app that controls my custom notifications in the 'Sleeping Apps' container. Once I removed the app, all my notifications started working again.
Click to expand...
Click to collapse
You posted a link to fantasy football, might want to check it and edit your post.

discothan said:
Follow these steps! I found my Zedge app that controls my custom notifications in the 'Sleeping Apps' container. Once I removed the app, all my notifications started working again.
Click to expand...
Click to collapse
I have Zedge installed but I didn't give it notification access. Your link is wrong :silly:

I had a similar issue with delayed notifications on my S10+ and turning off Adaptive battery helped. You can also try that and pls do post back if it helps. Thanks.

Having the same issues here: https://forum.xda-developers.com/galaxy-note-10+/help/apps-updating-phone-t3962558

It looks like disabling Adaptive Battery helped a bit, but it is still not perfect. In addition, I don't understand why adding the specific apps to the "Not Optimized" list does not affect anything.

RedsonRising said:
You posted a link to fantasy football, might want to check it and edit your post.
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liamR said:
I have Zedge installed but I didn't give it notification access. Your link is wrong :silly:
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SteveyJack said:
Having the same issues here: https://forum.xda-developers.com/galaxy-note-10+/help/apps-updating-phone-t3962558
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Sorry about that errant link to Fantasy Football.
Here is the link to follow to remove Apps that Adaptive Battery settings put in 'jail' so they won't ever run in the background.
Promise its not Fantasy Football but steps to help fix notifications/slowness

I don't think it's anything to do with adaptive battery.
If you go into the developer menu and down to the bottom there is an option standby apps. Once in there you'll see apps listed, if they're set to ACTIVE they are allowed to do what they like. Even with full battery optimisation set Gmail is always ACTIVE and is still having issues. I think it's actually an issue with the phone going into some kind of standby mode. Sometimes it does and therefore notifications are off and sometimes it doesn't and everything is fine.

I tried everything mentioned here and it seems to work for about one day and then the delay was back (especially in WhatsApp).

SteveyJack said:
I don't think it's anything to do with adaptive battery.
If you go into the developer menu and down to the bottom there is an option standby apps. Once in there you'll see apps listed, if they're set to ACTIVE they are allowed to do what they like. Even with full battery optimisation set Gmail is always ACTIVE and is still having issues. I think it's actually an issue with the phone going into some kind of standby mode. Sometimes it does and therefore notifications are off and sometimes it doesn't and everything is fine.
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Further to this, it doesn't seem to be an issue when the device is charging so presumably thats keeping something alive.

This thread has been inactive for weeks but I think this problem still exists. A Google search for "lockscreen notification delay" brings up a number of reports from various Samsung, Oneplus and other Android users - but still no single solution.
For a while I did not even think I had the problem because it does not appear unless your phone is inactive for about 10-15 minutes.
The problem appears to have something to do with changes to Optimize Battery Settings not sticking.
I found a workaround but it has to be done everytime the phone is rebooted.
- Under Optimize Battery Usage make sure that Whatsapp,Gmail or whatever notification app is being delayed is NOT Optimized
- Use the ADB command "adb shell dumpsys deviceidle disable". This has to be done from a computer with the phone connected to it. Or if you have root you can run it directly from the phone using Terminal Emulator.
Somebody from the Oneplus forums has also created a Magisk Module that appears to work on Samsung phones. You can find it in post #65 here: https://forum.xda-developers.com/oneplus-6t/how-to/guide-notification-fix-100-t3865551/page7
Is this the only way to fix this or has somebody found a better way?

At first, when I downloaded, installed, put the accounts, and all pertinent stuff, I observed this problem, no mails and no whatsapps until waking the device, or worst, had to enter the apps, but, I found the above solutions/steps, and, everything is working fine since Sept 13th, no delays, all working fine, even battery life is really good

I've got the issue only when activating moderate power save.
I set none app in the optimise wishlist.

Nastrahl said:
I've got the issue only when activating moderate power save.
I set none app in the optimise wishlist.
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The moderate power save also caused issues with late notifications on my device. I've only turned it on to test it but even after putting back to optimised and/or high mode did not rectify the issue. Somehow, few days later, I've managed to correct it but I've done so many changes that I've no idea how or what fixed it.

I had this issue on my S10 + to particularly with whatsapp! Messages would come in delayed or i just wouldnt get the notification for some reason! I never figured it out unfortunately but thankfully it seems to be ok on my note 10 + which is strange because i literally have this device set up EXACTLY the same as my S10 + in terms of settings etc ! If i remember correctly however, My S10+ didnt have this issue at the beginning!