Galaxy S8 - 4G LTE issue

Wstiles133
Member

My phone, which has worked great for over a year, recently (maybe after the Oreo update?) has lost 4G LTE capabilities.  When I am connected to wifi, my mobile network is connected at 1X.  When not connected to wifi, the most I ever see is 3G.  This is happening all over (so it's not a location issue), in places I have always had strong 4G in the past, and in places where other people's phones are still seeing strong 4G signals.

When I restart my phone, 4G comes on for about 10 seconds, then drops out and reverts to 3G.

I have tried switching mobile networks, resetting network settings, and rebooting the phone. 

Any thoughts on how to fix this? 

Thanks!

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Re: Galaxy S8 - 4G LTE issue

Community Manager
Community Manager

Wstiles133, having service is always key. We want you to have the connection you need. You have taken some great steps to get this resolved. Let's continue to move forward and get to the bottom of this. What is the zip code? Do you recall adding any new apps or games around the time that this began? Has there been any physical or liquid damage to the phone? Let's have you complete a health check by following the steps at http://spr.ly/6583E6WwV. Please let us know if anything returns in red or yellow as these will be an indication of something that requires a closer look.   Loren_VZW
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If my response answered your question please click the _Correct Answer_ button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!

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Re: Galaxy S8 - 4G LTE issue

Wstiles133
Member

There has been no damage to the phone. No new apps or games. I ran the

health check as you requested, no flags.

This has only been an issue since the last OTA firmware update.

On Tue, Nov 6, 2018 at 2:16 PM vzw_customer_support <

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Re: Galaxy S8 - 4G LTE issue

Wstiles133
Member

Clarification: is been happening since the last OTA update, not necessarily

Ireo in general.

Zip code is 17402.

On Tue, Nov 6, 2018, 2:16 PM vzw_customer_support <

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Re: Galaxy S8 - 4G LTE issue

Wstiles133
Member

I tried all of the recommendations found above and on online boards and

nothing worked. I did, however, find a number of posts with similar issues

- none with resolutions.

I went to the Verizon store, and the first thing they did was tell me it

was an issue with my phone and tried to sell me a new one. Considering

they didn't even really check or try to solve the problem, I wasn't

interested.

I went home, backed up all of my files, apps, and settings, and did a full

factory reset. As soon as the factory reset was complete, I once again had

full 4gLTE coverage! All I was out was the time to backup and restore, but

that's certainly less than being out $1000 unnecessarily for a new phone!

On Tue, Nov 6, 2018 at 2:16 PM vzw_customer_support <

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Re: Galaxy S8 - 4G LTE issue

JACERI19
Member

I am having the exact same issue, and would rather not perform a factory reset.  Is there any other options?

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Re: Galaxy S8 - 4G LTE issue

bearone21
Leader

wi-fi is dependent on the quality of the network signal in your area & will be 5-12mbps at best.

it depends on whose service & phone types of the other folks you mentioned as receiving 4g, are connected to.

your phone upgraded to oreo & upgrades don't always work out on phones they weren't designed for.

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Re: Galaxy S8 - 4G LTE issue

bearone21
Leader

do you live in a big city?

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Re: Galaxy S8 - 4G LTE issue

Wstiles133
Member

I spent about three weeks trying everything that message boards and Verizon

support recommended. The only thing that worked was a factory reset,

unfortunately.

I backed up all of my files, and used an SMS Restore app to back up texts

and phone call logs. It was an inconvenience, but not too painful...

Re: Galaxy S8 - 4G LTE issue

JACERI19
Member

Ya, my old phone got wet, and started telling me to install a sim card before it died completely.  So, I will try to get the folks at the Verizon store to give me a new sim card first.  That is the only thing I can think of.  I have tried just about everything else.