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MR500 drops LTE connection few times a day

MR500 drops LTE connection few times a day

MR500 drops LTE connection few times a day
MR500 drops LTE connection few times a day
2025-04-07 21:38:29 - last edited 2025-05-13 10:09:47
Tags: #Network Connectivity
Model: Archer MR500  
Hardware Version: V1
Firmware Version: 1.9.0 0.9.1 v0001.0 Build 240717 Rel.77222n

Hi, My MR500 started to loose connection few times a day, the symptoms in the log are always the same. Starts with "Commit data failed" and then the snowball starts roling. 

 

2025-04-07 22:14:34 [6] 4G: ERROR: Commit data item failed.

2025-04-07 22:14:37 [5] 4G: lte internet disconnected.
2025-04-07 22:14:37 [6] 4G: LTE connection down
2025-04-07 22:14:40 [6] 4G: ERROR: The PS registration state parse error.

2025-04-07 22:14:40 [6] 4G: ERROR: The PS registration state parse error.

2025-04-07 22:14:40 [6] 4G: ERROR: Signal level RSSI parse error.

2025-04-07 22:14:40 [6] 4G: ERROR: The signal level indication parse failed.

2025-04-07 22:14:41 [6] 4G: ERROR: The PS registration state parse error.

2025-04-07 22:14:41 [6] 4G: ERROR: The PS registration state parse error.

2025-04-07 22:14:55 [6] 4G: USER: Network type is NONE.

2025-04-07 22:14:55 [6] 4G: USER: Get ISP's profile now.

2025-04-07 22:14:55 [6] 4G: USER: GetCurrProf result is:ipver:0  staticApn:0  authType:0  pkgName:Orange Internet IPv4  profname:Orange  apn:internet  usr:  psw:  

2025-04-07 22:14:55 [6] 4G: USER: Start connecting to the network!

2025-04-07 22:14:58 [6] 4G: ERROR: Exception, rndis disconnected !!!

2025-04-07 22:14:58 [6] 4G: ERROR: Unsupport PLMN, cannot find the section.

2025-04-07 22:14:58 [6] 4G: ERROR: Unsupport PLMN, cannot find the section.

2025-04-07 22:14:58 [6] 4G: ERROR: Do not find the mcc mnc for the imsi ERROR

2025-04-07 22:14:59 [6] 4G: ERROR: unknown reponse:ERROR

2025-04-07 22:14:59 [6] 4G: ERROR: unknown reponse

2025-04-07 22:14:59 [6] 4G: ERROR: unknown reponse:ERROR

2025-04-07 22:15:04 [6] 4G: ERROR: Exception, rndis disconnected !!!

2025-04-07 22:15:11 [6] 4G: ERROR: Exception, rndis disconnected !!!

 

After this sequence only restart helps but LTE connecttion drops after a few hours again. This router was working more or less flawlessly for the past few months and now it is super unreliable. I cannot find any newer firmware to solve this issue. I went through the forum (especially: https://community.tp-link.com/en/home/forum/topic/649224) but it does not solve my case as I already have a newer firmware installed. What can I do to fix it?

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#1
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1 Accepted Solution
Re:MR500 drops LTE connection few times a day-Solution
2025-04-08 06:54:47 - last edited 2025-05-13 10:09:47

  @mr-pb 

 

Hi, welcome to our community.

When the internet drops, how about the LED status on the router?

Who is the ISP of your sim card?

It is suggested to follow the guide step by steps to troubleshoot:
TP-Link LTE Router keeps disconnecting

Please share the detailed results of the steps you take if you need further suggestions.

Thank you and best regards.

Check Out the Latest Posts: Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router EasyMesh Is Available When Wi-Fi Routers Work in AP Mode as A Controller. Archer BE550 New Software Enhances System Stability and Optimizes MLO Network Stability. TL-WA3001 Supports EasyMesh, Speed Limit, Guest Network in AP Mode and/or Multi-SSID Mode.
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#2
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Re:MR500 drops LTE connection few times a day-Solution
2025-04-08 06:54:47 - last edited 2025-05-13 10:09:47

  @mr-pb 

 

Hi, welcome to our community.

When the internet drops, how about the LED status on the router?

Who is the ISP of your sim card?

It is suggested to follow the guide step by steps to troubleshoot:
TP-Link LTE Router keeps disconnecting

Please share the detailed results of the steps you take if you need further suggestions.

Thank you and best regards.

Check Out the Latest Posts: Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router EasyMesh Is Available When Wi-Fi Routers Work in AP Mode as A Controller. Archer BE550 New Software Enhances System Stability and Optimizes MLO Network Stability. TL-WA3001 Supports EasyMesh, Speed Limit, Guest Network in AP Mode and/or Multi-SSID Mode.
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#2
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Re:MR500 drops LTE connection few times a day
2025-04-09 19:38:19

  Hi @Marvin_S

 

When it comes to LED status:
- ON: power, ethernet and wifi

- OFF: the signal strength indicator, carrier aggregation, internet access

 

As you might see in the log I have attached my ISP is Orange.

I will follow the steps and get back with information.

 

Thank you.

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#3
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Re:MR500 drops LTE connection few times a day
2025-04-11 21:51:56 - last edited 2025-04-11 21:52:24

Hi  @Marvin_S 

 

I am attaching two screenshots.

 

When connection works fine:

And when connection is down:

I haven't noticed any differences in channel number.

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#4
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Re:MR500 drops LTE connection few times a day
2025-04-15 09:35:55

  @mr-pb 

 

Hi, thanks for your further sharing.

It is suggested to follow the steps below to troubleshoot:

1. Please take the sim card out of the router, and  insert it into another LTE device or even a smartphone, then monitor for some time even a day to confirm if the internet works fine and is stable.

2. If you have another sim card, please put it into the router to test.

3. You may try to recreate a profle manually following Step 3 in the guide.

Thanks for your cooperation and best regards.

 

Check Out the Latest Posts: Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router EasyMesh Is Available When Wi-Fi Routers Work in AP Mode as A Controller. Archer BE550 New Software Enhances System Stability and Optimizes MLO Network Stability. TL-WA3001 Supports EasyMesh, Speed Limit, Guest Network in AP Mode and/or Multi-SSID Mode.
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