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Mifi 4510L needs to be addressed...
brigandier
Enthusiast

Hello Verizon,

After 2 updates to this device (currently running it at 2.23) it still does not work correctly. Since the 2.23 update my 4510L disconnects exactly every 2 hours after being started (down to the minute). Before you guys give me the canned response that's been given in every other 4510L thread, allow me to outline what I have tried to remedy this with:

1. Cycling the Power

2. Full Reset to factory defaults

3. Removal of SIM for 30 seconds so it looks for a new tower

4. Setting power options so that disconnect is set to "Never"

5. Setting wireless hotspot to B/G instead of B/G/N

6. Set WWAN connection mode to EVDO only (as I don't have 4G/LTE in my area)

That said, here are the logs for my last couple disconnects. Keep in mind I started the unit at 7:37PM:

System Log> HTML Version 26.

01/01/12 11:40:36pm> Current Time

01/01/12 11:39:57pm> HDR/EvDO Out of Dormant State

01/01/12 11:39:56pm> HDR/EvDO in Dormant State

01/01/12 11:38:19pm> NWPM_EVENT_CALL_CONNECTED

01/01/12 11:38:19pm> HDR/EvDO Connected

01/01/12 11:38:08pm> NWPM_EVENT_CALL_END

01/01/12 11:38:08pm> HDR/EvDO Disconnected

01/01/12 11:38:08pm> [RUIAUTO] Invalid packet state

01/01/12 11:38:07pm> HDR/EvDO in Dormant State

01/01/12 09:38:06pm> NWPM_EVENT_CALL_CONNECTED

01/01/12 09:38:06pm> HDR/EvDO Connected

01/01/12 09:37:55pm> NWPM_EVENT_CALL_END

01/01/12 09:37:55pm> HDR/EvDO Disconnected

01/01/12 09:37:55pm> [RUIAUTO] Invalid packet state

01/01/12 09:37:54pm> HDR/EvDO in Dormant State

01/01/12 07:58:35pm> HDR/EvDO Out of Dormant State

01/01/12 07:58:33pm> HDR/EvDO in Dormant State

01/01/12 07:58:13pm> HDR/EvDO Out of Dormant State

01/01/12 07:57:56pm> HDR/EvDO in Dormant State

01/01/12 07:57:47pm> HDR/EvDO Out of Dormant State

01/01/12 07:57:37pm> HDR/EvDO in Dormant State

01/01/12 07:57:22pm> HDR/EvDO Out of Dormant State

01/01/12 07:57:00pm> HDR/EvDO in Dormant State

01/01/12 07:56:47pm> HDR/EvDO Out of Dormant State

01/01/12 07:56:37pm> HDR/EvDO in Dormant State

01/01/12 07:56:31pm> HDR/EvDO Out of Dormant State

01/01/12 07:56:09pm> HDR/EvDO in Dormant State

01/01/12 07:56:00pm> HDR/EvDO Out of Dormant State

01/01/12 07:55:41pm> HDR/EvDO in Dormant State

As it stands (and after approximately watching it do it down to the minute at least 50 times now), I can count on having to reconnect any programs that depend on a steady connection at 1:38AM tonight. As someone who plays online games (particularly MMOs) having to drop everything every other hour just to reconnect it all is just not acceptable.

After discovering that the disconnects were down to the minute 2 hours apart, I have tried so many variations of fixes to get this to stop. So far only one method has yielded any hope, and that was a SIM card pull for 30 seconds. After doing so my 4510L's connection showed up as "EvDO Rev.Ae", and I had no problems for an entire 24 hour or so period (everything was GREAT); however, it eventually disconnected and my connection has shown up as "EvDO REV.A" since. No amount of SIM card pulls has gotten it to go back.

To other 4510L users: Please enable System Logs in your units and pay attention to the times the disconnects are happening. So far I have only seen one other person notice it was at a 2 hour interval: https://community.verizonwireless.com/thread/747796/ (unfortunately, who knows if it ever got resolved?)

To Verizon: Please stop giving us basic tech support and get someone on the ball to update the firmware on these units correctly. If you are already on this, give us an ETA on when we can expect some relief.

Thank you

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1 Solution

Correct answers
Re: Mifi 4510L needs to be addressed...
brigandier
Enthusiast

Hello John,

I have finally resolved the issue (I think, still in testing but so far so good). It does appear to be limited to the particular Verizon tower I was connected to. After some searching I found a site that keeps track of cell phone tower locations ( Link: http://www.cellreception.com/towers/ ) and noticed that I was exactly in the middle of two Verizon towers, and my external antenna was pointing towards one and directly away from the other. So after getting my bearings, I performed the following steps:

1. Turned off unit, pulled battery and SIM for a couple minutes.

2. While unit still off/disassembled, pointed antenna dish to new tower.

3. Reassembled, powered up. No reset of settings was involved.

Sure enough, my usual "EvDO Rev.A" changed to "EvDO Rev.Ae" which I believe to be the second tower. Also sure enough, my connected time just went beyond the 2 hour mark.

So the moral of the story is this: If you are disconnecting every 2 hours (to the second) with the Mifi 4510L, call Verizon and figure out how to connect to a tower that isn't made of FAIL. Optionally, blow a few bucks for a directional antenna. The signal quality improvement is pretty massive (at least it was in my case) and it's ensuring I am connected to the working tower.

View solution in original post

Re: Mifi 4510L needs to be addressed...
brigandier
Enthusiast

Also, just to underline the fact that it's predictable:

01/02/12 01:38:30am> NWPM_EVENT_CALL_CONNECTED

01/02/12 01:38:30am> HDR/EvDO Connected

01/02/12 01:38:20am> NWPM_EVENT_CALL_END

01/02/12 01:38:20am> HDR/EvDO Disconnected

01/02/12 01:38:20am> [RUIAUTO] Invalid packet state

"As it stands (and after approximately watching it do it down to the minute at least 50 times now), I can count on having to reconnect any programs that depend on a steady connection at 1:38AM tonight."

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Re: Mifi 4510L needs to be addressed...
tim_lightfoot
Newbie

Much like brigandier, we've had the same problem.  Out mifi bricked with an upgrade to 2.23.  A new mifi from Verizon worked some of the time (at the same time, Verizon was still having huge 4G problems nationwide.  However, every two hours, the mifi disconnects and we have to restart it.  Then, it disconnects repeated due to the 'invalid packet state' error (my system logs are the mirror image of brigandier.

We need some help with this issue....

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Re: Mifi 4510L needs to be addressed...
cwbrent
Newbie

I have not noticed the invalid packet state yet.  When my 4510L was continually kicking me off I got the system log below.

System Log> HTML Version 25.

01/02/12 09:20:57am> Current Time

01/02/12 09:20:49am> LTE Out of Dormant State

01/02/12 09:20:46am> LTE in Dormant State

01/02/12 09:20:04am> LTE Out of Dormant State

01/02/12 09:19:55am> LTE in Dormant State

01/02/12 09:18:48am> LTE Out of Dormant State

01/02/12 09:18:42am> LTE in Dormant State

01/02/12 09:18:17am> LTE Out of Dormant State

01/02/12 09:18:14am> LTE in Dormant State

01/02/12 09:18:04am> LTE Out of Dormant State

01/02/12 09:18:01am> LTE in Dormant State

01/02/12 09:17:45am> LTE Out of Dormant State

01/02/12 09:17:39am> LTE in Dormant State

01/02/12 09:17:24am> LTE Out of Dormant State

01/02/12 09:17:22am> LTE in Dormant State

01/02/12 09:16:38am> LTE Out of Dormant State

I saw in one of the other threads that this dormant state was also a problem.  I'm currently trying the MAC filter solution that was suggested.

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Re: Mifi 4510L needs to be addressed...
John_Getzke
Champion

cwbrent,

Dormancy is a feature of the MIFI 4510L.  Your device should go in and out of dormancy through out the day as a part of its normal opperations.  When we dig deeper we normally find that the device has disconnected from the network in these situations and that is the real problem. 

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Re: Mifi 4510L needs to be addressed...
John_Getzke
Champion

,

The RUI auto error message displays a network connection problem between the MiFi and the Verizon Network.  There are no known solutions to the problem at this time.  I can think of one instance where another user recieved a replacement device and reported an improvement but it may have been a coincidence. 

Its true that Verizon has been plagued with LTE issues recently.  I wonder if your problems have started occuring as of a week or two ago?  If so it may be a response to whatever changes the network engineers are making to stabilize the network as a whole.  The MiFi devices are experiencing the same issues as many other Verizon devices at this time so there may not be anything Verizon can do until the larger issue is resolved.

A great article was published which may help you explain why the network disconnections are happening:

http://www.androidpolice.com/2011/12/19/this-is-why-your-verizon-galaxy-nexus-or-other-4g-lte-vzw-ph...

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Re: Mifi 4510L needs to be addressed...
brigandier
Enthusiast

John_Getzke wrote:

Johnny Skipper,

The RUI auto error message displays a network connection problem between the MiFi and the Verizon Network.  There are no known solutions to the problem at this time.  I can think of one instance where another user recieved a replacement device and reported an improvement but it may have been a coincidence. 

Its true that Verizon has been plagued with LTE issues recently.  I wonder if your problems have started occuring as of a week or two ago?  If so it may be a response to whatever changes the network engineers are making to stabilize the network as a whole.  The MiFi devices are experiencing the same issues as many other Verizon devices at this time so there may not be anything Verizon can do until the larger issue is resolved.

A great article was published which may help you explain why the network disconnections are happening:

http://www.androidpolice.com/2011/12/19/this-is-why-your-verizon-galaxy-nexus-or-other-4g-lte-vzw-ph...

Hello John,

So far the article seems to fit my problem fairly well. After reading about the authentication issues, it makes me wonder if maybe the tower is set to require re-authentication every 2 hours? If I sit and watch the WWAN status, the connection immediately resets when the connection uptime reaches 2 hours (nearly to the second), then the unit spends about 10 seconds getting reconnected, and thus the timer restarts (which causes the 2 hour disconnect to creep forward about 10 seconds in the log the next round it happens).

Another issue that makes me wonder if it's this particular tower is the fact that when I did at one point after a reset get connected to "EvDO Rev.Ae" I had no problems for an extended period. Afterwards it has dropped back to "EvDO Rev.A" and the 2 hour saga begins again. Can you offer any insight on the differences between EvDO Rev.Ae and Rev.A? Currently my setup uses an external directional antenna, and I might have to go do some adjusting if the "Rev.Ae" is actually a completely different tower.

EDIT: Also, this problem began approximately 2 weeks ago but seemed much more random then. It prompted my upgrade to 2.23, and about a week later I noticed the 2 hour behavior.

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Re: Mifi 4510L needs to be addressed...
John_Getzke
Champion

It may very well be an issue with your local tower.  No other reports have come in to suggest that every tower acts the same way across the nation.  The only way you would know for sure would be to travel to a different area or point to a different tower.

Only Verizon could tell you if there is a different physical antenna in your area to point your external to.  I have read threads where users posted Verizon assisting them on the same question.  Try thier 1-800 number support first and see what they can tell you.

I am not familliar with the differences between RevA and RevAe.  Perhaps it was a fluke or a new experimental type of 3G connection Verizon is working on.  The only info I have on EVDO can be found on Wiki:

http://en.wikipedia.org/wiki/EV-DO#TIA-856_Rev._A

Everything appears to be pointing towards network errors in your situation, especially the timeframe where it started happening.  Hopefully Verizon will continue to work in your area to improve thier service.  Otherwise you could try the different WWAN preffered Modes and see if you can work around the problem.

Use 3G only

  1. Power on the MiFi
  2. Connect to the MiFi
  3. Navigate to http://mifi.admin
  4. Sign into the MiFi
  5. Click the WWAN tab
  6. Click the More link at the bottom of the page
  7. Change the WWAN Preferred Mode from Global to CDMA Auto
  8. Click Apply
  9. Test your connection

Try CDMA Auto and also EVDO Only to compare.  If you happen to be in a 4G LTE area then try the LTE options too.

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Re: Mifi 4510L needs to be addressed...
cwbrent
Newbie

There were no other entries in the log file to indicate a dropped connection.  So is the dormancy just a byproduct of losing connection?  It's interesting that in the log file shown in my post that every time it went dormant, we lost connection.  Seven lost connections in about five minutes time.

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Re: Mifi 4510L needs to be addressed...
nsayer
Enthusiast

Check the thread I started about the 4510L getting stuck in the dormant state. It happens to me on a daily (sometimes twice) basis.

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