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fl5x
Fanfold Paper
Posts: 15
Registered: ‎02-06-2014
Location: ES
Views: 1,196
Message 81 of 141

Re: WiFi issue with Tab 4 8 Plus

Thanks Wiznoodle for the post. My tablet isn't rooted. That's still out of my reach but I'll do some research about it. 

Wiznoodle
802.11n
Posts: 284
Registered: ‎02-07-2018
Location: US
Views: 1,185
Message 82 of 141

Re: WiFi issue with Tab 4 8 Plus

trigger07
Fanfold Paper
Posts: 2
Registered: ‎03-03-2018
Location: US
Views: 1,060
Message 83 of 141

Re: WiFi issue with Tab 4 8 Plus

I've had the 5Ghz wifi issue on my Tab 4 8 Plus for a long time.

Somehow, I fixed it by doing Network settings reset under Settings>More>Network settings reset.

I did several Speedtests and the connection on 5Ghz doesn't drop anymore.

Tom_MI
Punch Card
Posts: 19
Registered: ‎06-28-2018
Location: US
Views: 1,028
Message 84 of 141

Re: WiFi issue with Tab 4 8 Plus

No such luck for me. Are you sure you were connected at 5GHz? I have Google WiFi, and farther away it works on 2.4, but as soon as I get closer it switches to 5, and adios. So still using Airport Express, which also does 5G, but only N band .

Wiznoodle
802.11n
Posts: 284
Registered: ‎02-07-2018
Location: US
Views: 1,018
Message 85 of 141

Re: WiFi issue with Tab 4 8 Plus

I don't have this issue anymore either. Yes, I can verify I'm on 5g

 

<a href="http://s1010.photobucket.com/user/tropAcool/media/Screenshot_2018-08-05-15-00-27.jpeg.html" target="_blank"><img src="http://i1010.photobucket.com/albums/af230/tropAcool/Screenshot_2018-08-05-15-00-27.jpeg" border="0" alt=" photo Screenshot_2018-08-05-15-00-27.jpeg"/></a>

Tom_MI
Punch Card
Posts: 19
Registered: ‎06-28-2018
Location: US
Views: 1,001
Message 86 of 141

Re: WiFi issue with Tab 4 8 Plus

What router do you have? Does it do 5GHz AC mode?

Wiznoodle
802.11n
Posts: 284
Registered: ‎02-07-2018
Location: US
Views: 993
Message 87 of 141

Re: WiFi issue with Tab 4 8 Plus

I have an Xfinity arris dual band 802.11ac router.

Tom_MI
Punch Card
Posts: 19
Registered: ‎06-28-2018
Location: US
Views: 990
Message 88 of 141

Re: WiFi issue with Tab 4 8 Plus

Guess it must be only certain routers then. Others in the forum who have updated router firmware have had luck too.

But running latest Google WiFi (10452.90.45), and it cuts out ASAP when you try to run speed test.

Wiznoodle
802.11n
Posts: 284
Registered: ‎02-07-2018
Location: US
Views: 982
Message 89 of 141

Re: WiFi issue with Tab 4 8 Plus

I don't know. I can run speed tests without issues.

 

As I stated earlier, I had this wifi drop issue also. Until I updated with the 000038 update ( 8704x pls model). It resolved it.  Because I had root and had changed the system partition, in order for me to update I had to perform a full wipe. Maybe that had something to do with my success. IDK. 

pkderm
Paper Tape
Posts: 8
Registered: ‎02-14-2018
Location: US
Views: 962
Message 90 of 141

Re: WiFi issue with Tab 4 8 Plus

I wonder how much of this is driven by model. Mine is a V. I have had no security update since December (I have confirmed no updates currently available) and V is the only model not scheduled for upgrade to Android 8 in November. Probably the last time I buy a device like this on Amazon. 

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