Wifi Delayed notifications - OnePlus 7T Questions & Answers

Discovered some strange behavior with delayed notifications when screen is off.
Device 7T
Firmware 10.0.7
Apps with syncing enabled: Email (aquamail) imap 2 accounts, and google voice app.
Issue: Notifications are delayed between 30-90 seconds when wifi is on. Both apps above are set NOT to optimize. When screen is on, notifications come through immediately. When connectivity is through mobile data, notifications come through within 2-5 seconds. The issue seems to be when using wifi.
Suggestions?

Related

[Q] gmail stops sync overnight?

Scenario:
I plug my phone in at night to charge. When I wake up, I expect to see the notification light blinking for new gmail, however, it doesn't. I then activate the screen and expect to see a gmail notification in the notification bar, and that is missing as well.
I than open gmail, and it looks as if there were no emails since the previous night. However, the gmail refresh icon is running and after about a minute, all of my emails since the night before then show up in my inbox.
Is there some setting somewhere that tells gmail not to sync when the phone is in sleep mode?
I haven't installed any power management apps although, on my last phone when I had JuiceDefender, gmail sync was not affected.
Any ideas? THANKS!

Missing SMS Notifications

So I've had my 5x for a week now and I've been noticing that sometimes I don't get a notification from the Messenger app when I get a new SMS. I am unable to reliably repeat this issue but it seems to happen as a cluster, that is to say, for a period of time, no SMS notifications come through, and then things go back to normal.
I have explored Do Not Disturb settings, and under 'Priority only allows...' I've set Messages to "From Anyone", and automatic rules foe DND are all off. Under 'App Notifications' I have given Messenger app priority. Under Battery->Battery Optimization I have disabled optimization in the Messenger app.
Are there any other settings I'm missing that could help?
Is anyone else experiencing strange notification behavior with Marshmallow?
Thanks,
John
Bump
Me too, I'm having a lot of erratic notification behavior. I have to keep checking WhatsApp and WeChat and discover I have instead messages I wasn't notified of. I've had Greenify installed and it seems to have been causing other problems, so I just not uninstalled it entirely and we'll see if that's any help.

No notifications when the phone screen is off

Hello,
As the title says, I'm having a problem with notifications when the screen is off.
I'm not getting notifications from Yahoo Mail, unless the screen is turned on...and I do get them ONLY if the app is opened.
I had Asus Zenfone 2 before this and I'm used to always closing my apps after using them by using the "Recent apps" button.
Even if I closed all the apps, i would still receive notifications from Yahoo Mail and Skype.
But now things happen like this: if the app is closed, I'm not getting any notifications.
If the app is left open, I get nofications only if the screen is on, if it's off, I get notifications for a while, but if for example I try
to send test e-mail after like 30-40 minutes from my Gmail account, I won't get the notification.
The Auto Manager is set to Allow on Yahoo Mail and Yahoo Mail is also set to Not Optimized in the Battery settings.
Does anyone have any idea what I could do to fix this? I can live without notifications if needed, but I'd rather have them working.
Thank you in advance.

delayed notifications

suddenly i have stopped receiving notifications from apps like snapchat and whatsapp until i open them and i have tested with battery optimization on and off but no effect, what happens is if my device goes to sleep that's is locking the screen and after 2 - 3 mins i wont get the notification untill i open the app, i have tried push notification fixer and changing the heartbeat to 5 mins but no luck, also i noticed today this happens on wifi and not on mobile data, i dont use Greenify
I am on Oreo 8.1 RR rom

Galaxy S20 delayed push notifications.

Hello all,
I have recently come back to Android from iPhone.
I am having delayed push notifications specifically from my Reolink wireless security camera.
Currently working with Reolink Support and have tried the following with no luck:
Solution: Please avoid turning on the Battery Saver Mode when using Reolink App.
Solution: Go to Apps -> Configure apps -> Battery optimization -> All apps, and then disable battery optimization for the Reolink App.
Solution: Please avoid closing the Reolink App or lock the Reolink App before closing the background process.
Solution: Use the Push Notifications Fixer app. <-Set to 5 minutes (recomended).
My notifications are coming in about 10-15 minutes late, which is not very helpful for security camera.
Any suggestions would be Greatly Appreciated !!!
Thanks.
i did observe same in gmail push !
I got pixel phone + gsuite payed gmail
notification was about 6-15min delay when phone was in deep sleep
I can confirmed that on iphone was wroking. properly , in time .
I get delays sometimes with Whatsapp, ebay, and paypal apps.
What frustrates me sometimes is that my Galaxy Watch sometimes stops notifications for the Samsung Email app (used for work email). Notification will show on the phone, but appears sometimes instant, sometimes delayed 5 mins, or never at all. Reboot of phone and watch does not fix it, i have to turn off the notification in Galaxy Wearable app, reboot, and re-add the notification.
I have Battery Management set to High Performance, as i do not want apps put to sleep etc.

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