No LTE connection

I've recently passed through a few places that are heavily covered by LTE, according to Ting and Sprint's coverage map. However, my phone has never connected to 4G.

I have an Optimus G from Ting (this is my second, since the first was replaced when the touchscreen stopped responding intermittently.)

Is there any way to confirm that my phone is configured properly to connect to LTE (I assume it should be since it came directly from Ting.)

Are there any settings that I might be missing that may be preventing a 4G connection? My network mode is set to LTE/CDMA. I've noticed an IP address in the 4G settings when I am in an LTE area, but the connection always remains on 3G. I've installed the SignalCheck app, which never shows a LTE connection.

Does anyone have any ideas to troubleshoot this. It seems as though my area might have LTE soon and I'd hate to miss out on a faster connection.

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13 comments
  • Hey there, Sounds like you might need to update your PRL and profile. You can do that from your settings menu then tapping on "System updates". 

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  • Thanks Sam.

    I tried a PRL update, which didn't help on its own.  I'll try a profile update as well and see if it works the next time I am in an area covered by LTE.

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  • Same problem here. LTE was fast when it was turned on a few months ago, now simply little to no data throughput even though I have a strong signal. Today 3G is unusable too.

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  • I took a drive today through an area that is covered with a strong LTE signal (according to all the coverage maps.)  I decided to install and run sensorly to see if my phone would switch from 3G over to 4G at any point. Even though I was well within the LTE coverage area - most likely passing several towers, I remained on 3g. I updated the PRL and profile - still no luck.

    I was beginning to think that it was an issue with my phone. But, if others are seeing the same thing, maybe it's the network.

    Any other tips or tricks to obtain an LTE connection?

     

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  • Most Android phones have a setting to set the Network Mode. My S3 allows me to choose between LTE / CDMA or just CDMA, so make sure 4G is enabled. You can also try an app called "Signal Check Pro". It will show you instantly what signals are being received and can be configured to make a notification sound if 4G is detected - nice if you are driving around.

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  • I've set my phone to LTE/CDMA and I've tried Signal Check. In areas where LTE is available, I've seen a network provider and  IP address in my 4G settings, but my phone has never actually switched from 3G to 4G - Signal Check reports no connection.

    Out of curiosity, what area are you in? I'm in southern Wisconsin. There's no LTE here at the moment, but I'm a short drive from northern Illinois, where coverage is good - if you believe the maps.

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  • I'm in Venice, Florida. When 4G worked, the coverage was spotty although a speed test in Sarasota showed 28Mbps down and about 9Mbps up when it first launched. Haven't seen that since. You might find some useful information here regarding the rollout.  http://s4gru.com/index.php?/topic/212-network-visionlte-deployment-running-list/. According to them, my area is in mid-deployment not expecting to be complete until 2014. So hoping the current network issues are due to the engineers playing on the towers.

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  • Hey Andrew,

    Your LG Optimus G is a LTE device, which means it will either connect to LTE where available or will connect to 3G when LTE isn't available. The device itself will only ever show the LTE signal or the 3G signal within your status bar. In order for a device to connect to 4G, it would have to be a 4G WiMax device. 

    You mention that you drive into areas where LTE is available - does your phone switch between 3G and LTE, or does it stay only on 3G?

    I checked your account, and see that LTE has been enabled, and you have confirmed that your phone is set to LTE/CDMA. So if the phone is not doing the switch between 3G and LTE, there may be extenuating circumstances such as tower issues, network issues, etc. We can definitely check out the addresses that you are trying to connect to for LTE - I'm going to reach out to you through a help request since the information that needs to be exchanged can be sensitive. Check your email inbox momentarily!

     

     

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  • Before submitting a support ticket, I thought I would try this thread.

    For the last few months I have had LTE service at my work location and for part of my drive home. In the last week or so I have noticed I never get LTE service anywhere, only 3G. I have tried PRL and profile updates as the top post recommends. Are there any other things to try before submitting a request? Sprint/Ting coverage map shows I should have "Best" Voice and "Best" LTE coverage at my work location.

    Thanks,

    Matt

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  • I should add, from my post directly above, when I set my Preferred network type to LTE, and do a Profile update, it changes the Preferred Network Type back to the 3G setting. I should add, I am on a Nexus 5

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  • I have a Nexus 5 as well and have noticed that in known solid areas of LTE it will switch to 3G and the phone will have trouble switching to LTE.  If I put the phone in Airplane Mode and back I get LTE back again.  FWIW. 

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  • Bruce, in case you need confirmation, and misery loves company ;) I have had that same issue with my N5. I don't know from my previous experience if this is unique to that phone, Ting or Sprint, I had some similar issues with a SIII on Verizon. I think, and this is a big I think, phones may be set up to only scan for LTE every so often to conserve battery and that can cause it to take a while to connect. Then of course coming out of airplane mode forces it to scan immediately since LTE is preferred. I have also had my N5 to never connect to LTE and a reboot be needed because I think the cell radio had gone insane.

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  • Matt,

    The LTE issue on your Nexus 5 may be a known issue that will be resolved as Sprint completes their Network Vision upgrades.

    Here's a link that explains it better: http://s4gru.com/index.php?/blog/1/entry-357-nexus-5-and-lg-g2-experience-temporary-sprint-lte-connectivity-issues-due-to-circuit-switched-fallback-technology/

    My N5 started having issues connecting to LTE in the last couple of days.  In most areas, Sprint's new network is not 100% complete so there are sometimes temporary issues as they bring new equipment online.

    I've actually missed a couple of phone calls because of a loss of LTE signal so I've started keeping my N5 in 3G mode and only switch back to LTE when I specifically need a faster data connection.

    That said, your phone resetting to 3G after a profile update is strange.  From everything I've read, the N5 is setup to change the preferred network type to "Global" on a profile update.  And both of my N5s do just that.

    DC

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