Troubleshooting LTE keeps disconnecting
This Article Applies to:
All 4G LTE Routers
Issue Description/Phenomenon:
Some customers might experience interruptions or disconnections with their 4G LTE routers, their phones or laptops can connect to the router wireless network fine, while they display a 'No internet' error, and customers cannot access the internet. This article aims to provide suggestions on the issue.
Troubleshooting Suggestions:
1. When it loses the internet access, please check if you can still login to the router web GUI, then show us the Internet Status, SIM Card Status as follows. Compare the Network Type and Band, if they are the same as those when the internet is working fine:
2. If the band was changing to a different one when the internet interrupts, please follow the guide below to manually select a band that works in your network
How to select 4G band manually on the web interface of LTE Gateway Routers
If your LTE router doesn't support manual band selection, you could get the beta firmware from this thread:
https://community.tp-link.com/en/home/forum/topic/241534
3. If the problem still exists, please insert the same SIM into another LTE device or even a smartphone, then monitor for some time to confirm if the internet works fine and is stable.
4. If the 4G signal in your area is strong and stable, please try to change the Network Type on Advanced->Network->Internet page from 4G Preferred to 4G Only to see if it would be more stable.
If the issue is not located or resolved, please comment below on this topic and be sure to provide the following information:
- Model no. , hardware, and firmware version of your TP-Link device
- Working mode of the router, like 3G/4G router mode or wireless router mode
- Where are you based, and who is your SIM card carrier?
- Screenshots of Advanced->Status page and Advanced->Network->Internet page when the internet works fine and also when the internet stops
- System Log file without rebooting the router
- How often does the problem happen, and how does it recover?
- When did you purchase the router, and when did the issue start to happen?
- Is the same SIM card working fine and stable on other 4G devices?
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Thanx, I try. To see real difference, it needs longer statistics. More details in private.
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Do you happen to have any beta firmware for the NX510v? I'm running into an issue where it keeps latching onto a really poor WCDMA (3G) cell, which doesn't provide an internet connection. It just gets stuck and I have to reboot to get back online. Also, I noticed there's no "5G/4G" only option in the settings. We've got "5G", "4G" and "5G/4G/3G" but that missing option could really help. And, there's no way to manually set allowed cell IDs to keep it from connecting to the bad cells.
Do you know if there's a firmware update that addresses these issues or any workarounds you could suggest?
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Same problem in an Archer MR550 as stated in this post.
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Hi, NX510v is a model for ISPs only, there is no retailer version, thus we don't have much information about it, it is recommended to report the unstable issue and feature request to your ISP.
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Hi, I've just replied you in your another post, we could follow up your case there, please have a check: https://community.tp-link.com/en/home/forum/topic/641894?replyId=1280248
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Hi. I've been having multiple daily problems with my router. My devices keep connection with the router but frequently there is no internet available.
- Model no. , hardware, and firmware version of your TP-Link device
TL-MR100 / firmware: 1.4.0 0.9.1 v0001.0 Build 210601 Rel.32393n / Hardware: TL-MR100 v1 00000002
- Working mode of the router, like 3G/4G router mode or wireless router mode
3G/4G router mode
- Where are you based, and who is your SIM card carrier?
Toulouse, France. Orange (provided by YouPrice)
- Screenshots of Advanced->Status page and Advanced->Network->Internet page when the internet works fine and also when the internet stops
See attached doc
- System Log file without rebooting the router
See attached doc
- How often does the problem happen, and how does it recover?
Several times a day. Usually it recovers after 1-10 mins or sometimes I have to reboot the router.
- When did you purchase the router, and when did the issue start to happen?
2023, immediately but it was less frequent. Now it's becoming unusable.
- Is the same SIM card working fine and stable on other 4G devices?
Yes, tested on smartphone with multiple devices connected on hotspot
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Sadly LV1, the best advice is throw this piece of junk in the bin, and buy a Huawei B818-263 4G router. You can see from how long this thread has been running, TP-Link either can't fix this router, or can't be bothered fixing it. The Huawei I replaced it with has been reset half a dozen times in 18 months, if that. The TP-Link was almost daily. I've got a TP-Link mesh, which works well, so I'm not totally anti-TP-Link, but this modem is dreadful.
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Hi, thanks for posting your question here and shared the details about the issue!
As the current firmware 1.4.0 0.9.1 v0001.0 Build 210601 Rel.32393n is not the latest one, please upgrade to the latest firmware to check whether there is any help.
As this thread shows, the latest firmware version of TL-MR100 V1 is from the official website. Also, it should support manual Band selection.
For your reference: How to upgrade the firmware version of TP-Link Wireless N 4G LTE Router
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