Push notifications on mobile data (A5 2017) - Samsung Galaxy A3, A5, A7 (2017) Questions & Answe

Hi!
I have a problem with push notifications. I don't receive notification when i use mobile data connection (network working). When i use WiFi i got all notifications. Sometimes solution to receive notifications from apps when i use mobile data is turn on airplane mode and turn it off > then i got notifications. What's wrong? ROM bug for this phone? I flash new official Samsung ROM with full wipe and this not solved my problem.

Who is the carrier it sounds like a possible data issue, I can get push without problems
Sent from my SM-A520F using Tapatalk

Probably on old phone all works correctly. I get new sim card for this phone (size: nano) so i think that card is ok.
i found some about this problem in google but no solution for a5 2017. One solution is airplane mode on/off.
https://productforums.google.com/forum/#!topic/nexus/zev-BdYRgYw
https://www.google.pl/search?q=push...efox-b-ab&gfe_rd=cr&ei=1ljFWPLdOdPi8AfDiYXYBw

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Sent from my ONEPLUS A3003 using XDA Free mobile app
With OxygenOS 3.1.3, now I don't have the WiFi problem anymore...
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Hi,
*Message edited now that I've done more testing *
Got a weird problem with mobile data on my Z1C:
If I'm on the cell network with no wifi, I don't get any notifications for Gmail, WhatsApp etc. As soon as I reconnect to wifi a bunch of notifications flood in. Data and notifications work normally on wifi and in an open app. I have a 2GB data plan and use <20% of this.
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you could fix this by activating and deactivating airplane mode.
it's so annoying.
But what do you do on a Nexus 5X if Airplane Mode doesn't fix it? And, moreover, if rebooting the phone doesn't solve this either?!
chrisradulescu said:
But what do you do on a Nexus 5X if Airplane Mode doesn't fix it? And, moreover, if rebooting the phone doesn't solve this either?!
Click to expand...
Click to collapse
There is no solution for now. All you can do is to downgrade to nougat, or change the network provider. Telekom is ok with oreo from my experience. Only Orange have this problem for me. The solution is coming in the november security update. Good luck!

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Hey, I lose mobile internet connections quite often.
Haven't noticed a trend, so can't say if it's Wifi related. Neither toggling aeroplane mode or mobile data on and off makes it work again so I just end up resetting the phone.
I'm sorry I can't offer anything useful, but I can at least say you're not alone!
This is happening to me as well oxygen 5.0.3 , total pain I've got tasker to switch on hotspot and mobile data when I enter car but Data doesnt connect and have to reboot phone

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Calls do not come and go when I turn on wifi on my pixel 6 pro mobile.
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Turn off wifi calling.
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