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I am one of those users that is having trouble connecting to GPRS more than once and getting the "unknown reason" problem. Only a soft reset or turn on/off flight mode will fix it. Well I found out what is causing this, at least for my device. I am running Wisbar Advance on mine and is what causing the problem. Once I closed the app, I can connect/disconnect GPRS as I please. I made calls in between also and it still works...
The developer for Wisbar is working on this issue so hopefully he will get this fixed. In the meantime, I have turned off Wisbar..
Hope this is what causing u guys' devices also.
Great info! Just a heads up. I had this problem since I upgraded to the 1.06 ROM however I have never installed Wizbar Advance. The only thing that I could get to fix it was upgrading to the Norwegian 1.11 ROM version or using the 1.10 US Radio stack. Even the Finish 1.11 did not fix the problem.
-Mashie
I have the problem and I'm not using Wisbar. I guess magician_os1.11wwe_bigstorage_6.zip is based on the Finnish ROM?
You can add another application to the list of problem apps (at least this worked for me)
Sygic .mobile contacts seems to mess up GPRS as well.
I've been using the 1.06 WWE rom, and i tried anasky's 1.11 bigstorage rom, and both times, with .mobile contacts installed, i received the "cannot connect for an unknown reason" error, after uninstalling it, GPRS reconnects fine everytime.
Hope this helps some of you.
i changed my sim card to a new one and now i don't get that error. plus i believe that part of that error is the service provider.
hope that helps
I have Qtek 1.11 and same problem too
It is a real pain, I do not have Wisbar, and I can only connect once then need a reset. Any ideas out there?
One cheap solution is to put the phone in flight mode and then go back to reset the GPRS. Not very smooth, but at least better than having to soft reset.
Loboman said:
One cheap solution is to put the phone in flight mode and then go back to reset the GPRS. Not very smooth, but at least better than having to soft reset.
Click to expand...
Click to collapse
I have tried to turn flight modem on/off but i still get the error
"dialed:isplnk1.swip.net. The answering modem has disconnected. To check your connection settings and change them if needed, tap settings"
Does ne1 know what I can do? so I can use my gprs again. it worked fine just a day ago, and I havent done anythin at all that could cause this problem
I don' t have a magician but a blue angel.
I've got the same problem.
It's the last built of IA Caller ID.
I've make a hard reset with no IA Caller and no problem again.
just double check the settings to make sure that the access point name shows up in the number section of the connection settings, when its not there that can cause the answering modem problems
rgds
j
I have 2 SIM Cards with the same number, one for the QTek 2020, and one for a Motorola mpx200.
If they are both switched on, then my GPRS is disconnected after about 15 minutes, and I can only reconnect by going in and out of flight mode.
If I switch the Motorola off, then I stay connected, and can disconnect
and reconnect properly.
Eddan said:
Loboman said:
One cheap solution is to put the phone in flight mode and then go back to reset the GPRS. Not very smooth, but at least better than having to soft reset.
Click to expand...
Click to collapse
I have tried to turn flight modem on/off but i still get the error
"dialed:isplnk1.swip.net. The answering modem has disconnected. To check your connection settings and change them if needed, tap settings"
Does ne1 know what I can do? so I can use my gprs again. it worked fine just a day ago, and I havent done anythin at all that could cause this problem
Click to expand...
Click to collapse
Never had that error message. Only the one hamsup1o was talking about. Is the Norwegian 1.11 Ananskyfied yet? I want to test if the problem is fixed in that one.
For me, I don't think it's any one piece of software. Since I upgraded my Jam last weekend to 1.11, it continually disconnects from GPRS. Soft resets may or may not correct the problem on the first try so a second reset is in order. Trying to turn Flight Mode On/Off is a chore in itself. I may need to tap "Turn Flight Mode On" several times before it finally does it. Even when GPRS is connected it will only last 5 minutes. Then while still connected, going to a different webpage, says that webpage cannot be found. Very freakin' frustrating!! :evil:
So, today at work I backed everything to SD and did a Hard Reset. I then cancelled out of the Operator settings, but allowed the other apps to install and soft reset. I manually added my data settings and connected. Within two minutes I lost my connection. Reset the device and couldn't connect. Reset again and it's fine. It's hit or miss. Restored from backup. Gave a MS Voice Command error so deleted that. Several resets later on the train ride home and it's been fine ever since, for now!
The question is, could this be a T-Mobile problem? I called them yesterday and all they could tell me is that data outages in the Boston area may occur in the evenings due to upgrades. Perhaps it's just a coincidence that I did the ROM upgrade and TMo is acting up. I'm pulling hairs here!!
smfa1965 said:
For me, I don't think it's any one piece of software. Since I upgraded my Jam last weekend to 1.11, it continually disconnects from GPRS. Soft resets may or may not correct the problem on the first try so a second reset is in order. Trying to turn Flight Mode On/Off is a chore in itself. I may need to tap "Turn Flight Mode On" several times before it finally does it. Even when GPRS is connected it will only last 5 minutes. Then while still connected, going to a different webpage, says that webpage cannot be found. Very freakin' frustrating!! :evil:
So, today at work I backed everything to SD and did a Hard Reset. I then cancelled out of the Operator settings, but allowed the other apps to install and soft reset. I manually added my data settings and connected. Within two minutes I lost my connection. Reset the device and couldn't connect. Reset again and it's fine. It's hit or miss. Restored from backup. Gave a MS Voice Command error so deleted that. Several resets later on the train ride home and it's been fine ever since, for now!
The question is, could this be a T-Mobile problem? I called them yesterday and all they could tell me is that data outages in the Boston area may occur in the evenings due to upgrades. Perhaps it's just a coincidence that I did the ROM upgrade and TMo is acting up. I'm pulling hairs here!!
Click to expand...
Click to collapse
I have the exact same problem with my Jam on T-Mobile (in Colorado) however it seems to have gotten better with the 1.11 ROM. The strange thing is that it does not ever happen with my 6315 on T-Mobile. I have spoken with their customer services serveral times and we have tried a few different things. The last thing we tried was a brand new SIM card to remove that as a posible problem. Since doing that, I can stay connected to GPRS, take calls and it re-connects with out me doing anything and it seems to have helped.
I have not tried to see if there is any change between wap.voicestream.com or internet2.voicestream.com. Which are you using?
I have the same problem with GPRS and the Cannot connect for an unknown reason. It initially connects fine, but if I disconnect it manually, I cannot reconnect without the soft reset. I started getting this error when I upgraded to 1.11WWE last night. I went back to Version 1.06WWE and the problem was gone so it is defiantely a ROM problem. Imate's Customer "Dis"-Service continues to timeout everytime I go online with them. I am in the process of trying the UK 1.11JAM Rom to see if that makes any difference. I am with T-Mobile USA.
On the Club I-mate forum there are people with this problem as well and one of them is on Cingular!!! So it's not carrier specific.
__________edit
I tried the UK 1.11 ROM and it worked a bit better. There was even a new tab in the GPRS bubble that you could click to disconnect the GPRS rather than holding down the red phone button. But alas, I still got the Cannot Connect for an unknown reason mesage. I'm going back to 1.06 (Thankfully I backed it up) It worked fine. Is anyone having this problem with the Anansky hacked ROM?
Also, why does the UK version come with Skype and the WWE version doesn't?
Could it be due to Activesync?
I too have the GPRS problem, usually it occurs after synchronizing with the PC. The flight mode trick fixes it. I can repeat this behavior and can always fix it, so it remains a nuisance...
Since you can access the internet through Activesync, maybe the OS stays locked in that mode and does not allow for GPRS to be a valid network connection...
Anybody else have similar symptoms?
Mashie, I use internet3.voicestream.com. As you said nothing seems to help.
chinadan, Yes! I had the exact same thing happen to me last night. I've been tinkering with my Jam for the last week trying to get it to work. Last night it was working fine, but then I connected it to my desktop to load PHM Registry and when I disconnected, GPRS started flaking out! Performing a soft reset didn't help.
I've been going back and forth with i-Mate CS, and it's obvious they know there's an issue. They seem to be getting a little testie since I'm basically telling them I'm not an idiot so please get the crap fixed! They had the nerve to send me instructions on how to setup a GPRS Connection on the Jam! :twisted: What nerve!
Anyway, think I'll try loading the worldwide 1.11WWE and see what happens. Anyone have a backup of 1.06 US 850 ROM?
Thanks and cheers!
Well, I went almost 24 hours without a GPRS problem on my JAM yesterday. I didn't get the usual "Cannot connect for an unknown reason" error message. This time I got a message saying that there was a problem with the modem???? I don't know where that one came from... changed my gprs setting to internet2.voicestream.com and it works now....until the next error message.
Screw it. I'm going back to 1.06. The JAM is VERY sluggish now and I can't even get it into flight mode to correct the problem. I guess I'll wait for the patch. (It seemslike we spend most of our time waiting for a patch or an update of some kind. ARGGGHH!)
ALso, I don't know if this was the case with the 1.06 ROM, but I used to have to hold down the red phone button for a few seconds to get the GPRS to disconnect. But with the 1.11UK rom all it takes is for you to click the red phone button and the connection is dropped. Example: If I'm on the Today Screen with GPRS connected, click the red phone button and voila, gprs is disconnected. Is this normal? I don't remember it disconnecting so easily with 1.06.
Also, saw this over on the HoFo: ___________________
New HTC Galaxy and Wizard to replace the Magician.
Got a hirizontal slide out keyboard. Same size as Magician. Black in colour. with 128mb ram, Wifi built in. Same size as Jam. With a 2.1mb camera (undecided maybe 1.2). Just saw the pictures, but it looks awesome. (I think it also had edge).
johnannie said:
Also, saw this over on the HoFo: ___________________
New HTC Galaxy and Wizard to replace the Magician.
Got a hirizontal slide out keyboard. Same size as Magician. Black in colour. with 128mb ram, Wifi built in. Same size as Jam. With a 2.1mb camera (undecided maybe 1.2). Just saw the pictures, but it looks awesome. (I think it also had edge).
Click to expand...
Click to collapse
Any chance you give us a link to those pics? Pleaseeeeeeee :twisted:
Ok, been tinkering around this evening concerning the GPRS connection issues and this is what I have thus far. First, Club IMate has new Operator Settings on their website. One of their techs was kind enough to e-mail it to me this afternoon and checking their website this evening shows T-Mobile ver1.6. Applied those settings and it seemed to do a better job at installing my VPN settings for internet3.voicestream.com. However, when I checked the Connections screen it listed My Isp with my VPN connection and My Work Network was setup for wap.voicestream.com. Ok, nice but I don't use the wap settings. Connecting through IE to wap.yahoo.com resulted in the TMo Wap connection to launch, but not my VPN connection. So I went back into Connection settings and set both Work and Internet to "My ISP". Upon doing this and selecting any website from IE, it wouldn't connect and give me the error "Make sure you have your modem installed blah, blah, blah". If I then press and held on the "G" and tapped connect, it connected just fine.
So that got me thinking about the Registry again and why in the Connection screen for both Internet and Private network, why there was no option for "The Internet", or "My Secure WAP" so forth and so on. When I had my XDA IIs, those where options. So I loaded PHM Registry to the device and went exploring. The first thing I found and deleted was in: \HKLM\Software\HTC\WModem. I deleted the Preset GPRS key. The next thing I found where all the Interent settings I just mentioned in:
\HKLM\Software\Microsoft\ConnMgr\Destinations\. There is listed "The Interent" (which I tried to create myself in Connections but it said it already existed) and My Secure Wap plus others that I had made. So for starters I deleted "The Internet" key and reset the device.
Went back into Connections and created a new network called The Internet and added my connection to internet3. I then switched it to only look at The Internet network. Launching IE again and trying to go to wap.yahoo.com. Again, I get the "Unable to Connect: Ensure that your modems are presentand inserted correctly, and no network card present".
So obvioulsy, my edits to the Registry made little difference. So again that got me thinking. Why would their be a WAP connection when I selected T-Mobile VPN during the new cab installation? Because it needs it!
I then went back into the Network Management screen under connections and left it set to The Internet for programs that auto connect to the internet and set it to My Work Network for the private network option. Since doing this I've had no issues when any connection while browsing. If I go to a WAP site it automatically connects to T-Mobile WAP connection. If I then decide to go to a full blown HTTP website, it automatically stops the WAP connection and launches the VPN one. There is no delay when it does this, well, maybe a second! :lol:
My thinking is (and, I'm no programmer or Registry master!) that the problem lies in the Registry settings for IE. Perhaps it runs deeper than that but if one of you Guru's could take a look perhaps we can get this ironed out once and for all. Thanks for listening!
For some reason - my QTEK 9100 fails to maintain the connection to my GPRS service. Once I connect, it holds the connection until I make/receive a phone call. Thereafter, the device shows the connection in place, but it fails to pass any more data through the connection. To keep using the data connection, I must either soft reset or switch flight mode on/off.
(Needless to say, I have been able to use my SIM in other GPRS-enabled phones).
ROM 1.1.7.5
Date 9/22/05
Radio 01.01.10
Protocol 4.0.13.16
ExtRom 1.1.7.105
Anyone have any ideas?
Is there a ROM upgrade or RegEdit that could do the trick?
Same **** with mine 9100 on MTS. We should get together to solve this issue. Let me know if you got the solution. My ICQ 2662731, phone no. 916 137 7540, Leonid.
Absolutely the same problem with my Qtek 9100 on MTS. Some people on the forums say it's operator's problem; others claim it's not. However, switching from MTS is not an option for me anyway (corporate cell phone number, etc.) so I would be very much obliged for any solutions, or at least hints towards what can be causing it.
One possible solution (haven't tested myself yet) is setting GPRS to 'always on' via the registry editor; however
a) Will it drain my battery much more than usual?
b) Won't GPRS get disconnected in standby mode?
hi
hi. try to initiate GPRS connection with the default inbox email. press send and receive to check email. let it connect GPRS. when someone call u. it still maitain but the during call, the other person must pick up the phone. if nobody pick up the phone. the GPRS will have problem and need to turon and turnoff radio again. this is the only to maintain gprs, that is, to initiate GPRS connection with the default inbox email.
malice93 said:
One possible solution (haven't tested myself yet) is setting GPRS to 'always on' via the registry editor;
Click to expand...
Click to collapse
I tried to set it always on, it didn't help.
malice93 said:
Absolutely the same problem with my Qtek 9100 on MTS. Some people on the forums say it's operator's problem; others claim it's not. However, switching from MTS is not an option for me anyway (corporate cell phone number, etc.) so I would be very much obliged for any solutions, or at least hints towards what can be causing it.
One possible solution (haven't tested myself yet) is setting GPRS to 'always on' via the registry editor; however
a) Will it drain my battery much more than usual?
b) Won't GPRS get disconnected in standby mode?
Click to expand...
Click to collapse
ad a) -
One thing I know for sure:
it will not drain your battery any more that when connecting gprs on demand. I used to use the "grps always on" feature and can't tell the difference in battery life.
Regardless of the "gprs always on" setting I do sometimes have problems with the connection. The icons (gprs) say it's on but no data is transferred (no e-mail/www received) but it happens very rarely and I can't tell in what circumstances.
By the way: holding the red off-hook key for 5 secs closes the gprs connection - check if it doesn't make your problem easier to bare ;-)
Maybe you could try another operator's SIM - at leat you'd know if it's the Wizard or the operator.
Salute/k
kristo_ch said:
By the way: holding the red off-hook key for 5 secs closes the gprs connection - check if it doesn't make your problem easier to bare ;-)
Click to expand...
Click to collapse
Yes, I know about this one; however, since GPRS won't reconnect anyway, this doesn't solve anything for me.
Oh well, I'll keep experimenting and hopefully Qtek will release some ROM updates in the future to deal with the problem.
Update: After playing with the settings a bit, the problem indeed seems to be with phone calls; i.e. I can disconnect/reconnect GPRS manually without any problems, but once a phone call is made or received, GPRS stops reconnecting. I have a suspicion it's actually an operator issue but haven't had time to try some other SIM yet.
malice93 said:
Yes, I know about this one; however, since GPRS won't reconnect anyway, this doesn't solve anything for me.
Oh well, I'll keep experimenting and hopefully Qtek will release some ROM updates in the future to deal with the problem.
Click to expand...
Click to collapse
I called service today about this problem, they heard nothing about it, they said. Also they invited to flash rom, that was released month ago, they said. I asked them about version but call operator didn't know.
I'm afraid to do that because they could flash older verison than I have, and there are some roms that have troubles with incoming calls, I read in russian Qtek forum.
My version:
OS: 1.3.9.4 RUS
Date: 9/29/05
Radio: 01.01.10
Protocol: 4.0.13.16
ExtROM: 1.1.7.105
I read there are some utilities to save rom but I cannot find how to save rom to hard disk to restore it in future surely.
My version is:
ROM 1.1.7.9
Date 9/16/05
Radio 01.04.10
Protocol 4.0.13.17
ExtRom 1.1.7.111
(Russian OS)
Just read on some Russian forums that there were the same problems with s100 until the new radio version was released, so I guess we just have to wait.
vishny said:
malice93 said:
One possible solution (haven't tested myself yet) is setting GPRS to 'always on' via the registry editor;
Click to expand...
Click to collapse
I tried to set it always on, it didn't help.
Click to expand...
Click to collapse
Just tried it myself, didn't work for me either.
So far, the problem can be diagnosed as: regardless of GPRS status, a phone call (outbound or received) will screw up the existing GPRS connection and any future attempts to reconnect unless a soft reset/flight mode switch is made.
I hope to god a ROM update will be available in the near future; meanwhile, any and all suggestions are welcome.
Today I visited service, they flashed me the same rom I already had. Then they tried to solve problem at least 2 hours but with no success.
I advised them to be ready for crowd of users of 9100 who connect to MTS.
Technician said I have to wait new rom update, but he cannot say nothing about release date.
I want to beleave...
Some guy at Russian forums put forth an idea that our problem might in fact be an issue with lousy MTS implementation of EDGE.
So in theory it could be solved by turning EDGE off entirely (if it is indeed possible).
Same problem on my Qtek 9100 ... is there any updates available for the ROM?
I have this same problem on both my Kjam and Qtek 9100. I am in the United States and use Cingular. I suspect this is not a carrier problem.
I'm in the US on Cingular with a Qtek 9100. I think the issue is that the carrier drops the GPRS connection after time, or the signal is lost and WM5 doesn't react. Either way, seems like leaving GPRS in constant ON mode plays into the problem rather than help it. After installing GB-SOFT Tweak http://msmobiles.com/news.php/4714.html and setting it to release GPRS if unused for more than 10 or 15 minutes, I don't get the GPRS problem nearly as often. Furthermore, when a GPRS lockup does occur, turning flight mode on and then off again restores function without the long cycle time of a soft reset
Christian
I had the same problem on my IMate and it was fixed by turning off (2sec) and then turning on your device once the GPRS connection was established. Haven't tested on my jam yet
I have the same problem since upgrading to AKU2 ROM - before I never had that issue...
This is me trying to force a connection to the internet, but it wont cause it thinks its on a call. This is not good if you want emails coming down.
The only way I know how to over come this issue is to to a soft reset.
There has been no previous call. I open phone is inactive, I hit the red phone button. Nothing removes this obstruction.
Any ideas, how I can detect this or overcome this without doing a soft reset.
Q: How does one do a hard reset ??
Re: ISSUE : "Cannot connect. End current phone call..&q
Digs said:
This is me trying to force a connection to the internet, but it wont cause it thinks its on a call. This is not good if you want emails coming down.
The only way I know how to over come this issue is to to a soft reset.
There has been no previous call. I open phone is inactive, I hit the red phone button. Nothing removes this obstruction.
Any ideas, how I can detect this or overcome this without doing a soft reset.
Q: How does one do a hard reset ??
Click to expand...
Click to collapse
I have the same problem. this issue comes when I've made a phone call and then I want to make a data session. my only workaround was is not to install programs like SPB GPRS monitor/etc...
If I'll have time, I'll install the newest ROM (the one that supports A2DP) and see wether the problem still exists or not...
I thought I had the newest ROM see my specs in signature. is that not correct. Whats this about A2DP ???
see here
For the Worldwide English Build: NEW
Rom version: 1.30.76
Radio version: 1.09.00
ExtROM version: 1.30.164
To download the WWE ROM JASJAR_WWE_13076_164_10900_wwe_ship.zip
http://www.clubimate.com/t-DEVICE_JASJAR_UPD.aspx
Re: ISSUE : "Cannot connect. End current phone call..&q
Digs said:
This is me trying to force a connection to the internet, but it wont cause it thinks its on a call. This is not good if you want emails coming down.
The only way I know how to over come this issue is to to a soft reset.
There has been no previous call. I open phone is inactive, I hit the red phone button. Nothing removes this obstruction.
Any ideas, how I can detect this or overcome this without doing a soft reset.
Q: How does one do a hard reset ??
Click to expand...
Click to collapse
One solution to this is to use 3G (UMTS) instead of regular GPRS (GSM). 3G lets you use both data and voice connections at the same time. If you dont have 3G in the area (not sure why you bought a universal..) then you can try hard resetting by holding down the left and right softkeys (two buttons with -s) and pressing in the soft reset button.
Re: ISSUE : "Cannot connect. End current phone call..&a
RyanZA said:
Digs said:
This is me trying to force a connection to the internet, but it wont cause it thinks its on a call. This is not good if you want emails coming down.
The only way I know how to over come this issue is to to a soft reset.
There has been no previous call. I open phone is inactive, I hit the red phone button. Nothing removes this obstruction.
Any ideas, how I can detect this or overcome this without doing a soft reset.
Q: How does one do a hard reset ??
Click to expand...
Click to collapse
One solution to this is to use 3G (UMTS) instead of regular GPRS (GSM). 3G lets you use both data and voice connections at the same time. If you dont have 3G in the area (not sure why you bought a universal..) then you can try hard resetting by holding down the left and right softkeys (two buttons with -s) and pressing in the soft reset button.
Click to expand...
Click to collapse
This solution is not a right solution for me: when the Qtek is unable to create GPRS connections, it's also unable to create UMTS data connections. It says that there isn't modem on the other end of the line, etc...
The newest ROM is: WWE
1.30.77
1.30.1641.09.00
The other comment is that to use data and voice connections at the same time the network must be also capable of doing this.
Club Imate seam to be slow in posting new ROM they still show this ROM as the latest..
link above
see here
For the Worldwide English Build: NEW
Rom version: 1.30.76
Radio version: 1.09.00
ExtROM version: 1.30.164
I have the same issue sometimes ... I usually over come it using connmngr to switch the phone off then on again ... the pain with this issue is that you don't know it's stopped unless you try to make a call or GPRS session :x
I am going to have to code something up Skschema to ensure 100% a connection every time on re freshing internet link.
Logic
Run Command Com
Turn off phone
Turn on phone
Run GSM connection
I also get other error messages like
- Cannot connect to modem at other end
- No modem found at other end.
The main point is if you dont have 4 strong bars showing internet connection will always be risky.
And as the Jas Jar ( O2 Exec ) cant have a direct fixed connection via the GSM jack on the phone, its only assistence can come from a wireless repeater for home use, and if you are mobile then the Booster cant be found as a fixed GSM connection cant be made to the device.
A repeater is not a booster.
A repeater is for home use when you are not moving. Hence wireless is ok. This is more for signal sending not receiving
A signal booster is required for mobile use and a direct connection to device is required ( not available to Jas Jar as yet). This is for both receiving and sending. Direct connection is the best option.
MAIN POINT : The manufactures should have done extreme testing with low bars signal ( say two ) as well as high signal ( say 4 bars ), with the use of signal repeaters and boosters, AND THIRD PARTY ADAPTERS....which they obviously did not do....
Guys here is my situation. I have a Cingular 8525 for some time now I noticed that it was dropping signal and then recovering it I thought it was a radio problem but I changed numerous radios and it didn't fix the issue. Last night I noticed that it wasn't picking up any signal, on turning it on I noticed that I had No GSM I tried the way in the Wiki but I am unable to flash using the radio 1.16 to it I unchecked Allow USB connections but for some reason I cannot flash the radio. I started the phone attempted to flash the phone with several other radios and it just hangs. On rebooting I see NO GSM but when my phone starts up I see it reads the network but I cannot do anything else no calls nothing. Is there another way to flash the radio to my device or is the radio just dead? If so I have another 8525 thats not working can the radio part of it be changed?
Regards
It seems your phone is toggling between 3G and the older GPRS. By default, the 8525 automatically selects 3G if it is available. If you move out of 3G range (considering 3G support nationwide isn't great yet), which will happen often, you will lose signal temporarily and either switch to GPRS or regain a 3G signal. Currently I default my phone to use GPRS just because i can't be bothered with having to deal with dropping signal/calls as often as i used to with the automatic setting. There is a free tool called BandSwitch which can accomplish this for you. The newer version (2.1) is not free but if you can get your hand on the older version which is, it'll work satisfactorily well. I hope this solves your problem.
I had the same problem and nothing worked for me.
Try different solutions posted my various users and see if anytihng works for you.
I think it is a hardware radio problem and probably the only solution is to change the motherboard.
If it is still under warranty - get it done. If not, you are out of luck.
My wife's Elf keeps losing the phone network connection, each time she was in an area without reception, like elevators etc. and than refuses to register back to the network. Only way to get it to register again is to do a soft reset. (turning off and on the phone radio sometimes works, automatic and manual network selection don't). Tried another SIM card, same thing happened. The problem developed when she started to use GPRS/EDGE (previosly used her phone for calls and SMS).
Any ideas?
Have you tried flashing to a new radio in the elf upgrading forums?
Cheers
Changed radio still no go. Interesting enough it works when she doesn't use GPRS. I changed the RIL registry settings, and will be testing it next few days.
Oh, check it out and see how it goes.
Radio is usually affecting the issue.
You can hard reset, if it doesnt work!
Do backup!!
Seems like I tried everything possible and still nothing, it is probably hardware failure. My wife is going nokia after this, she said no more winmo.