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Delayed notifications issue affecting all range of Samsung devices since at least half a year.

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First Poster

Hello,

 

Introduction:

 

Currently ALL newer flagship models are affected by delayed notification issue for at least past 6+ months,  which started happening after around may 2018. Most devices are affected such as: S7, S8, S9, Note 9 and similar.

This is related to "doze" feature of android phone, where samsung optimization whitelist options are not working correctly thus affecting almost all samsung phones.

 

The issue  is reproduced during following scenario:

 

1. User locks phone, waits around 5m

2. App sends notification (which is not marked as PRIORITY in google push services).

3. User does not get notification

4. User unlocks phone, and suddenly multiple "delayed" notifications arrive.

 

Multiple users has reported the issue and tried various workarounds such as:

 

- Disabling battery optimization for certain apps

- Disabling all battery optimization options

- Making sure "WIFI" connection is always maintaned, even during sleep mode

- Making sure DATA connection is always maintaned

- Restoring device to factory

- Totally replacing devices with new ones.

- Wiping cache and similar

 

There is currently only one temporarly solution working, which is disabling doze using adb console. This workaround is temporarly and works until next reboot. It requires setting phone to debug mode and connecting to it.

 

"adb shell dumpsys deviceidle disable"

 

Samsung reaction:

 

Samsung is totally ignoring the technical issue since at least 6 months or more. There are multiple threads all over the web about such problem existing. Examples:

 

1. https://us.community.samsung.com/t5/Galaxy-S8-Questions-and-Answers/Delayed-notifications/td-p/11494...

2. https://forums.androidcentral.com/samsung-galaxy-note-9/911157-push-notification-delay-when-screen-o...

3. https://forums.androidcentral.com/samsung-galaxy-s8-and-s8-plus/886249-help-delayed-notifications.ht...

4. https://forums.androidcentral.com/android-pie/904647-notifications-delayed-stopped-5.html

5. https://forums.androidcentral.com/samsung-galaxy-s9-s9-plus/891659-s9-plus-delayed-notifications-can...

6. https://forums.androidcentral.com/samsung-galaxy-note-9/906887-delays-notifications.html

 

Implications:

 

The issue is making phone totally unusuable for people who rely on instant notifications, such as alerts related to financial services like declining stock rates and similar. I dont understand why such critical thing like delivering notifications in time is totally ignored by samsung. The issue is not present on any other android phones.

 

Request:

 

If you have ability to contact someone of samsung development team, please forward this thread to make sure there will be finally reaction. Please reply to this thread if you have same issue.

322 REPLIES 322
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I'm not an iPhone fan, but may reconsider if this issue dont get resolved.

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This has also been discussed in the Note 9 section here - https://eu.community.samsung.com/t5/Galaxy-Note9/Delayed-Late-Notifications/m-p/728678#M778

 

To Summarise - it seems to be a problem with the Network we are on. Specifically MVNO's (Mobile Virtual Network Operators). These are networks who don't actually have their own infrastructure. They use other company's cell networks. An example of an MVNO is Virgin Mobile, who use EE's network. 

 

EE, 3, Voda do not have problems with delayed notifications. These are Networks who all have their own real infrastructure, and are classified as MNO's. 

 

Virgin Mobile, Tesco, and other similarly set-up networks are MVNO's and seem to be the problem of delayed push notifications. 

 

From my experience and experiments these delayed push notifications occure on ALL devices - iPhones as well as other Android manufcaturers. 

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And have you found any solution to fix that problem?

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Complain and take it up with your network provider

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I strongly doubt that this is a network specific issue - there could be a similar issue that's network related, but generally it goes way beyond that. For one, this problem is replicated on WI-FI (with mobile data turned off, even with the airplane mode turned on). Also, people in the Android central forums (from the links in the original posting) report this issue on several major U.S. networks, including Verizon, T-mobile and Sprint. It's hard to imagine that iPhone users on those networks are experiencing the same issue and not noticing it (and I know that iPhone users around me don't have this issue, because they get their emails 5-10 minutes before I do). Also, older Android phones on the same networks don't have this issue, either (my Galaxy Note 4 on T-mobile, running Android 6.0 Marshmallow, get instant notifications). 

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The new problem now is notification reminders!  I use them exclusively for texts and voicemails, nothing else!  Now all gmails arriving trigger a notification reminder in addition to the original notification.  Only way to correct it is to turn off all notifications for gmail then I won't  receive a notification when emails do arrive, not a big deal but it worked better before!  I would like to flash my firmware back to Nougat but I think they updated the bootloader with the last update and supposedly you can't flash back to an older bootloader version?

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Observer

Same issue as everyone describes. I believe the Verizon update in September started the problem for my S8+. I am posting in support of getting attention os Samsung.

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@fixtheproblem wrote:

I strongly doubt that this is a network specific issue - there could be a similar issue that's network related, but generally it goes way beyond that. For one, this problem is replicated on WI-FI (with mobile data turned off, even with the airplane mode turned on). Also, people in the Android central forums (from the links in the original posting) report this issue on several major U.S. networks, including Verizon, T-mobile and Sprint. It's hard to imagine that iPhone users on those networks are experiencing the same issue and not noticing it (and I know that iPhone users around me don't have this issue, because they get their emails 5-10 minutes before I do). Also, older Android phones on the same networks don't have this issue, either (my Galaxy Note 4 on T-mobile, running Android 6.0 Marshmallow, get instant notifications). 


Some iOS users do experience similar - but it appears not to be as widespread. (iOS is less open than Android though.)

 

Along with it happening across brands, I do find it very interesting that someone using different SIMs on the exact same device on the exact same firmware gets different results: https://eu.community.samsung.com/t5/Galaxy-Note9/Delayed-Late-Notifications/m-p/762135/highlight/tru... Anyone have any suggestions how that would happen and for it not to be network specific in relation to how things play with those networks for later Android versions (or even later OS's in general)? :thinking-face:


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Frustrating, same problem here on S9+
The second you wake it up it will sync. No matter if on LTE or wiFi
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First Poster
Same problem here. I suspect this is also causing issues for my WearOS watch where things also aren't coming through.
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