Internet connection issue on 3G - Samsung Galaxy A8 (2018) Questions & Answers

just switched from a J5 2017 at A8 2018
I can use internet connection on wifi without issue when i switch to mobile data, the phone doesn't seem to work I need to reboot the phone but after some time internet connection doesn't seem to work correctly
the only thing i changed from my previous J5 is disabling 4G since my operator charge me an extra cost

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Wireless advice

Hello all,
I have just got a Sony X1. It connects to my home wireless fine. My question is once its connected will it automatically do all browsing/downloading/email through the wireless or do I have to tell it?
Im just worried because my daily 3G usage is very high (nearly 10mb yesterday) even though I try and only download large files when connected to my wireless. I want to make sure its not downloading through 3G when the wireless is switched on..
Thanks!
default is using the most accessible connection...
if wifi is connected it won't try to access the internet thru 3G..
you're safe as long as you make sure your wifi is connected and you have an active internet connection
In my case I've seen many times that the phone still uses the 3G connection even if WiFi is available and connected (maybe for power saving reasons?). So I always disconnect the 3G connection when WiFi is active. Currently I use Mortscript to do this for automatically.
If this problem occurs, you can also use a small useful app called NoData
(can be found in the forum)

recently found the problem of internet connection

my S7 edge was running all good
but recently i found that when i connect to the Wifi it will swap between Wifi and 4G randomly
i already turned off the smart switch function but problem is still there.
anyone can help?
Sounds like you have a problem with either the router in the house disconnecting, or the phone can't keep WiFi enabled

tethering problem, wifi connection constantly going on and off

My work network went down earlier so i thought i would just tether the laptop to my S8 over wifi and use my 4g connection instead. But the laptop constantly connects then disconnects about 2 seconds later, over and over again (I can see it in the hotspot settings on the phone thta it appears as a connected device then vanishes immediately after). Tried turning hotspot on and off again on the phone, made no difference. Normal wifi use on my phone seems ok, its just this wifi hotspot that doesnt seem to work properly. Using exynos version on AQDD.
I'm having the same problem tethering my s8 to my android head unit. I connected to my tv box just fine, but I see the same cycle as you when I try to connect to my HU. I previously connected my S6 to the HU with no issues. The only thing I can think of is I used Smart Switch to copy everything from my S6 to S8 and it copied tethering settings as well and maybe that messed something up. I've changed the network name and password but that didn't help.
I finally got mine to work. I changed the security setting to open, and it connected. I then turned on only allowed devices and added the mac address of the head unit.

Samsung Galaxy A8 2018 - does not connect to mobile data after using wifi

Hi,
I just got the new A8 2018 and noticed that every time I use wifi for a long period it doesn't reconnect to my mobile data after I disconnect from the wifi. I always have to get into airplane mode to force a connection.
I know it happened in some earlier android versions, is there any solution?
Thanks!

Wifi disconnecting ...

Hello people, I have 45 pieces of Blackview GBV 5500 Plus and with each one I have a problem with connecting and reconnecting to wifi without internet. The devices are designed for a scoring system that should be free of the Internet. The wifi network is built of four APs in roming from ubiquiti. My problem is that the devices cannot automatically connect to wifi in romming when they do not detect the internet. Is it possible to fix this problem somehow, or can you advise me a functional wifi manager to replace the built-in wifi manager or another apk that would solve this problem?
Android 10
Tunr on Wifi automatically - ON
Save network - only one

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