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I'm having a problem where my phone will not connect to 4G, it connected fine for about 2 weeks and then it stopped working. I have tried everything I can think of, restores, data wipes, new roms, the new radio, messing with modem settings, but I have had no luck, I'm starting to think that it is just my Thunderbolt and I will have to get a replacement I took this screenshot of the thing i think is werid, the phone recognizes the LTE network but GPRS service is disconnected. If anybody has any suggestions on something for me to try it would be greatly appreciated. Thanks
Flash the new radio that was made available today and see if that changes it. If not factory reset your phone and bring it in and say it stopped working.
schwab16 said:
I'm having a problem where my phone will not connect to 4G, it connected fine for about 2 weeks and then it stopped working. I have tried everything I can think of, restores, data wipes, new roms, the new radio, messing with modem settings, but I have had no luck, I'm starting to think that it is just my Thunderbolt and I will have to get a replacement I took this screenshot of the thing i think is werid, the phone recognizes the LTE network but GPRS service is disconnected. If anybody has any suggestions on something for me to try it would be greatly appreciated. Thanks
Click to expand...
Click to collapse
I been have problems with 4G since Saturday here in San Diego. It has been working fine for 3 weeks up to this point. I have 3-4 bars of 4G, but there's no network connection. The connection does NOT bounce between 3G/1X. It is solid 4G, however on the 4G LTE icon at the top, only the white arrow lights up, never the down arrow. When I run the ping test in the diag screen you posted there, it fails.
I went down to the Verizon store near my house and they had two display Thunderbolts. One of them was having the same exact problem as mine. While I was there, I rebooted mine and it magically started working right.
Then about a hour ago, it stopped working again. Rebooted twice and nothing. Called Verizon tech support just to let them know there might be an issue since my phone and the display phone werent working right. They transferred me to a
"4G specialist" who had me shutdown the phone while he "rebuilt" my account in their system. Booted back up and it works again.. Dont know if something he did fixed it, or the third reboot fixed it.
BTW, my phone is factory stock. Have it set to LTE/CDMA Auto in th phone settings.
Sigh... it's doing it again this morning
Same here, stuck using 3G until further notice.
Sent from my HTC Thunderbolt
Ya this problem is making me mad, I'm going on a trip, and when I get back if I still have problems I will just unroot and get a replacement, I really hope someone knows a fix to this though and posts it
Sent from my ADR6400L using XDA Premium App
My 4g and 3g have been on the outs today here in ohio. Never had the issue before today. I'm assuming its a network issue and not an issue with my phone. And I have the new radio fyi.
Sent from my ADR6400L using XDA Premium App
schwab16 said:
I'm having a problem where my phone will not connect to 4G, it connected fine for about 2 weeks and then it stopped working. I have tried everything I can think of, restores, data wipes, new roms, the new radio, messing with modem settings, but I have had no luck, I'm starting to think that it is just my Thunderbolt and I will have to get a replacement I took this screenshot of the thing i think is werid, the phone recognizes the LTE network but GPRS service is disconnected. If anybody has any suggestions on something for me to try it would be greatly appreciated. Thanks
Click to expand...
Click to collapse
-89 dB is pretty weak. -89 to -93 is what mine is at most places in my house. The only way it will go from 3G to 4G is if I walk over to the bedroom window facing the nearest celltower and then it will go to about -78 and switch to 4G.
When facing the tower do not "cup" the phone because I have seen as much as 10dB loss from my hand being between the phone and the tower.
crazed_z06 said:
Sigh... it's doing it again this morning
Click to expand...
Click to collapse
I have similar issues in San Diego as well. Fortunately I work from home, so I just enable WiFi for now.
Sent from my ADR6400L using XDA Premium App
crazed_z06 said:
Sigh... it's doing it again this morning
Click to expand...
Click to collapse
I can say the same thing in Phoenix.... you have good 4g days and you have bad 4g days. Like yesterday... up then down then up then down then nothing for an hr.... then up and down... an awesome way to tank the battery.
I wish Big Red would make up their minds... and fix these issues.
Same here in scottsdale, shows the 4g icon but there is no data till it switches back to 3g. Maybe just a coincidence but mine started yesterday after upgrading to the new radio and bamf 1.5
Shinanigans250 said:
Same here in scottsdale, shows the 4g icon but there is no data till it switches back to 3g. Maybe just a coincidence but mine started yesterday after upgrading to the new radio and bamf 1.5
Click to expand...
Click to collapse
Same for me in southern Scottsdale. Also started happen with new radio and bamf 1.5.
I'm going back to old radio and 1.4 for now...
crazed_z06 said:
I been have problems with 4G since Saturday here in San Diego. It has been working fine for 3 weeks up to this point. I have 3-4 bars of 4G, but there's no network connection. The connection does NOT bounce between 3G/1X. It is solid 4G, however on the 4G LTE icon at the top, only the white arrow lights up, never the down arrow. When I run the ping test in the diag screen you posted there, it fails.
BTW, my phone is factory stock. Have it set to LTE/CDMA Auto in th phone settings.
Click to expand...
Click to collapse
I'm having the same exact problem you are having in NYC and now in Boston while I am on vacation. If I force the phone to 3G, everything works beautifully, but to get 4G working again, I have to power off and on the phone.
Now, while in Boston, this issue happens when I am in an area of no cell signal (say the parking garage of my hotel) and then walk into an area with cell signal. I'll wake my phone from standby and will not see the 4G symbol, and then the symbol appears, but no data, like what you described.
I wonder if it has to deal with how the phone connects to the towers. Maybe the new radio will fix it? I'm currently on stock since it's still runs pretty damn well.
Just to mention, my phone does not suffer from the cycling issue between 3G and 4G.
Switched to bamf remix 1.5 with the same updated radio and 4g works great now. Kinda like the remix better.. win win
Did you try taking out your batter and sim card... waiting a minute and then putting them back in? I had this problem once where I was stuck in 3G in a 4G area and this is what tech support had me do. I didn't think it would work, but it did!
Hello i just picked up the G2X phone today and upon leaving the store the phone had begun to have data issues. Meaning it was not keeping its connection, which left me with no functionality to the internet.
See youtube video i posted:
http://www.youtube.com/watch?v=xqWa7gQ94Us
How old is your similar card?
Sent from my LG-P999 using XDA Premium App
sk337sk337 said:
How old is your similar card?
Sent from my LG-P999 using XDA Premium App
Click to expand...
Click to collapse
What card are you referring to?
gamecheif said:
Hello i just picked up the G2X phone today and upon leaving the store the phone had begun to have data issues. Meaning it was not keeping its connection, which left me with no functionality to the internet.
See youtube video i posted:
http://www.youtube.com/watch?v=xqWa7gQ94Us
Click to expand...
Click to collapse
No such issues or complaints on this. Were you on wifi in the store?
Sent from my LG-P999 using XDA Premium App
No, wifi wasn't enabled in the store. As a matter of fact, i actually tried to use the wifi when 4G begun having data issues and was unable to find any networks.
Mine has randomly disconnected from 4G as well, although the status bar still shows it connected. If I restart the phone it comes back on.
I think it may have something to do with toggling on wifi, but it has also happened after just sitting idle for an extended period, and wont come back on.
jink25 said:
Mine has randomly disconnected from 4G as well, although the status bar still shows it connected. If I restart the phone it comes back on.
I think it may have something to do with toggling on wifi, but it has also happened after just sitting idle for an extended period, and wont come back on.
Click to expand...
Click to collapse
Well, I think LG should of did a lot more QC before they even though about dropping this phone on the shelves. There is also a lot of little stuff that this phone is just not doing that my optimus T did flawlessly.
I'd have to agree. I'd recommend having your sim card replaced to see if that helps.
Sent from my HTC Vision using XDA App
Had the same issue. Out was my sim card. I had been using my original card which wasn't compatible with the new technology. Once I put in the new card it was all good.
XDA Mobile
Docavelli said:
Had the same issue. Out was my sim card. I had been using my original card which wasn't compatible with the new technology. Once I put in the new card it was all good.
XDA Mobile
Click to expand...
Click to collapse
Interesting ill tell you how i was able to get the phone. I was actually on flex pay the TM rep ported my number to a new line on our family line. Before that happened i was using a different number that wasnt attached to the sim card i am using now and 4G internet was working correctly on that sim card.But, Now that you have stated your issue. i think im going back to the tmobile store and see if they can get a new sim card for me.
So I'm not the only one with the network issue. seems like as soon as I disconnect from wifi I lose network connectivity. I still see my signal but can't access the internet at all. Totally locks up until I reboot. Which is proving to be a pain in the butt.
I'm going to t-mobile today to get a new sim card to see if that changes anything, mine is currently from Oct 28th 2008. The day the G1 was first released. Can't even read the numbers anymore. But to my knowledge the cards haven't changed. Guess I'll see if this fixes the issue.
Sent from my LG-P999 using XDA Premium App
I get real sluggish results from my g2x, my nexus one ran fine...
I am going to try the sim card and see if that fixes it.
luckycook82 said:
So I'm not the only one with the network issue. seems like as soon as I disconnect from wifi I lose network connectivity. I still see my signal but can't access the internet at all. Totally locks up until I reboot. Which is proving to be a pain in the butt.
I'm going to t-mobile today to get a new sim card to see if that changes anything, mine is currently from Oct 28th 2008. The day the G1 was first released. Can't even read the numbers anymore. But to my knowledge the cards haven't changed. Guess I'll see if this fixes the issue.
Sent from my LG-P999 using XDA Premium App
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Click to collapse
That is the way it is designed. When you have WiFi on, it disables your Cellular data to save power. Hence why the 4G icon disappears.
When you disable WiFi, it has to reenable the Cellular Data. So it takes a sec.
Now if it NEVER comes back then there is a problem. But don't expect it to be instantaneous.
player911 said:
That is the way it is designed. When you have WiFi on, it disables your Cellular data to save power. Hence why the 4G icon disappears.
When you disable WiFi, it has to reenable the Cellular Data. So it takes a sec.
Now if it NEVER comes back then there is a problem. But don't expect it to be instantaneous.
Click to expand...
Click to collapse
When I have wifi on, the 4g icon still comes on and off constantly. When wifi is off, 4g icon still blinks on then off constantly. Still don't have any data. New sim card didn't help either. I go through a battery in about 4 hours because its constantly connecting and disconnecting to the network.
LG sucks.
I'm pretty much convinced this is related to Wifi calling. Try disabling that (this will also help your battery life something serious - take a look at devices logs when wifi calling is enabled.)
luckycook82 said:
So I'm not the only one with the network issue. seems like as soon as I disconnect from wifi I lose network connectivity. I still see my signal but can't access the internet at all. Totally locks up until I reboot. Which is proving to be a pain in the butt.
I'm going to t-mobile today to get a new sim card to see if that changes anything, mine is currently from Oct 28th 2008. The day the G1 was first released. Can't even read the numbers anymore. But to my knowledge the cards haven't changed. Guess I'll see if this fixes the issue.
Sent from my LG-P999 using XDA Premium App
Click to expand...
Click to collapse
When I upgraded my G1 to my G2x, they said they had to give me a new SIM card because the old one won't do 4G. According to the sales person I spoke with, you will need a new SIM card.
Can you keep your old number with a new sim card? My sim card is the same one from my first phone, nokia 3390
I'm having the same problem.. I used a new sim card and I still can't get any 3G or 4g for that matter.. Any ideas or is my phone defective??
j0hnee said:
I'm having the same problem.. I used a new sim card and I still can't get any 3G or 4g for that matter.. Any ideas or is my phone defective??
Click to expand...
Click to collapse
Then a lot of phones are defective
Sent from my LG-P999 using XDA App
i believe all the phones come with the setting already on GSM Only. YOU NEED TO CHANGE IT TO GSM-WCDMA AND YOU WILL GET YOUR 4G SERVICE TRUST ME IT WORKED FOR ME, SO GO INTO WIRELESS SETTINGS AND TAKE OFF THE GSM ONLY SETTING
Yesterday I lost all 3g data. If in 4g it works but that's it. I have tried 2 different radios and 2 backups and a new rom altogether. When it stoped working still nothing. I even tried lte switch and cycle through. Any suggestions. I haven't changed anything from when it did work till now.
I have nothing to contribute, but I would love to add my name to the basket that is having the same kind of problem. I flashed my rom before flashing the radio (i know)...
Now all works on the phone (wifi, apps, etc) except for the CELL RADIO. It is indicated with a red icon. Also, it will not let me save any APN information.
Cporcelli said:
Yesterday I lost all 3g data. If in 4g it works but that's it. I have tried 2 different radios and 2 backups and a new rom altogether. When it stoped working still nothing. I even tried lte switch and cycle through. Any suggestions. I haven't changed anything from when it did work till now.
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Click to collapse
I lost 3g all day saturday here in NC..woke up sunday morning and it was there. I traveled from western nc to raleigh for a football game and had no data the whole way...not sure if it was regional or what, but as soon as I hit raleigh, 4g popped up. AS soon as I left sat night, no 3g
I live in western Massachusetts. Wonder if it a Verizon problem.
Edit. Just talked to verizon she said not a problem or her end. Had me pull and reinsert the sim still no go.
Sent from my HTC ThunderBolt using Tapatalk
Did you guys make sure you have compatible radios for the ROM you choose?
Yes. I'm using the latest radio with a gb aosp . It was working fine.
Sent from my HTC ThunderBolt using Tapatalk
Don't know what it was but fixed itself.
Sent from my HTC ThunderBolt using Tapatalk
I'm having the same problem. I started last night. I have been running the same rom for nearly a month without any issue.
The weird thing is if I take the battery door off I can get 1X. When I put the door back on it goes to 3G for a split second then back to no data.
4G works fine. This is very frustrating.
BigJohn826 said:
I'm having the same problem. I started last night. I have been running the same rom for nearly a month without any issue.
The weird thing is if I take the battery door off I can get 1X. When I put the door back on it goes to 3G for a split second then back to no data.
4G works fine. This is very frustrating.
Click to expand...
Click to collapse
Modem settings?
Sent from my Thunderbolt using XDA App
It is and has always been on cdma/lte.
---------- Post added at 05:35 PM ---------- Previous post was at 05:31 PM ----------
I just used ##778# to switch my phone from eHRPD to Rev.A and my 3G is working again.
4G was prob down in your area, if that was the case you would not have got 3g either the fix you did put you on the regular 3g network.
Sent from my Thunderbolt using XDA App
When my phone shows the H symbol for network, it works well, but when I'm not using the network (no traffic), it falls back into 3g and gets stuck on upload. Occasionally, H service will come back, but often it won't. I have found if I turn the screen off, H service is restored.
I have had this problem for months now. I have a i9020a. Currently I have CM9 April 8th nightly installed, using the i9020AUCKJ1 radio. I just got done reverting to the stock build recently released from Google (IMM76D, I think), then upgrading to CM9.
No matter what I've done, nothing has worked:
1. reverting to stock then upgrading to a custom rom (Team-Kang, CyberGR, CM9, etc);
2. trying different radios;
3. opening phone info (*#*#4636#*#*) and changing it to GSM auto PRL as well as setting the band to USA;
4. making sure the APN is correct;
5. restoring the IMEI backup;
Any ideas what the issue could be?
H is 3G. Only active while data is being actively sent/received and it is actually feasible to use in your current area. Also, are you sure it is not only the animation that gets stuck?
Is there an actual problem, though? Is something not working quite right (data, sync, notifications, etc)?
It gets stuck on UMTS:3 (just keeps trying to upload) and won't work again until I turn off the screen and then it will usually revert to HSDPA:9.
Sent from my Nexus S using Tapatalk
chrisnathan1983 said:
It gets stuck on UMTS:3 (just keeps trying to upload) and won't work again until I turn off the screen and then it will usually revert to HSDPA:9.
Sent from my Nexus S using Tapatalk
Click to expand...
Click to collapse
you should download taskiller.. kill all app before you use your internet, i have same problem and always solved with that way..
hope this helping
Sent from my GT-I5500 using Tapatalk
While taskiller certainly kills most running processes, it does nothing to help my network connection.
On a separate note, my roommate has the same phone and his maintains a steady HSDPA:9 connection without ever dropping into a UMTS:3 connection.
Sent from my Xoom using xda premium
chrisnathan1983 said:
While taskiller certainly kills most running processes, it does nothing to help my network connection.
On a separate note, my roommate has the same phone and his maintains a steady HSDPA:9 connection without ever dropping into a UMTS:3 connection.
Sent from my Xoom using xda premium
Click to expand...
Click to collapse
The normal behavior of the phone is to use HSDPA while it's in need(download/upload) , when not in use automatically goes to UMTS:3
What ROM your room mate is using ? model ? radio ? network ?
---------- Post added at 07:43 PM ---------- Previous post was at 07:36 PM ----------
Gasashi said:
you should download taskiller.. kill all app before you use your internet, i have same problem and always solved with that way..
hope this helping
Click to expand...
Click to collapse
You're talking totally rubbish ... Killing apps will not enhance anything and may even slow things down by needing more CPU power to open auto apps again...
I have expereinced the same issues with my 9020a on ATT. Sent phone to Samsung twice, changed SIM cards 4 times. Updated radios, now on 4.0.4 getting about 120 kbps download speeds while my other phone (work phone), iphone4s on att, gets about 5 mbps.
Call att, they credited me my entire months bill and offered a free galaxy note with a 2 year agreement. My thought is that ma' bell is just killing any unlocked phone or there are issues related to "LTE" rollout they wont admit to that is causing a disruption with 3.5G.
Anyways to the OP, you aren't alone. I too hope someon can help!
My roommate is using the same rom, CM9 (nightly from 3/29 though), radio is i9020xxkb3, network is also AT&T with same plan.
Watching the About Phone/Status on his phone, it stays on HSDPA:9.
My returns to UMTS:3 when not in use, but when in this mode, I get no network traffic at all. I will flash upload but will never download anything. Occasionally, H service will be restored, and I will get my network connection back.
Sent from my Nexus S using Tapatalk
He is also using an i9020a
Sent from my Nexus S using Tapatalk
This is a screenshot of what happens. The mobile signal is consistent until I turn the screen on and the something happens.
Sent from my Nexus S using Tapatalk 2
why you're wifi on ?
I don't always turn it off when I go to work. Unless I'm traveling I usually leave it on.
Sent from my Xoom using xda premium
To begin proper troubleshooting turn wifi off while you browseand report back
I experience the same connectivity problems whether I have the wifi off or not.
Sent from my Xoom using xda premium
same problem bro
i am from the Philippines and i'm experiencing the same problem with my i9023. No connection when on "3G", connection resumes when "H" or "E" appears in status bar
I too have this problem it's annoying!!
Sent from my JB AOKP Nexus S
I have been having this problem with both of my Nexus S 4G ever since I got them 2 months ago.
My data drops out frequently and takes a while to get back up. If I have 4G enabled, then I have to manually reconnect it as it will not do it on it's own. This happens inside AND outside. Driving down the road or just standing in one spot.
I've tried all of the radios (basebands) and about 7 different ROMs and versions.
I've refreshed the data profile, PRL, and even tried the roaming Verizon PRL and Hybrid PRL.
Gone back to stock and tried everything from scratch. Still the same problem.
Dallas/Fort Worth Area
Network: Sprint
Baseband: D720SPRKE1
PRL Version: P:40447
I contacted Sprint and they just told me to update the profile & PRL.....
Any suggestions?
I'm not familiar with the CDMA nexus s, but are you able to change APN's? At one point I'd be able to connect to 3g (I have an I9020A), but every minute or so it would drop, so I fixed up the APN's for my carrier.
iv had a few data issues
forcing PRL and account updates has fixed it a couple of times
i'v bought used phones that iv had
to have sprint force update
im on LC1
[altho i cant tell any significant difference here]
and my prl is 61086
[a business account]
im currently on slim
make sure your mobile network
is set to roam
is not set to home only
Am I the only one with this problem? As I'm typing this I lost data but still had 3 bars. I never drop calls but only data.
Help please. This is driving me nuts.
Sent from my Nexus S 4G using xda premium
andrewddickey said:
Am I the only one with this problem?
Click to expand...
Click to collapse
no
i go thru periods of it acting bizarre
try disabling wifi and reboot
this USUALLY fixes mine till wifi is re-enabled
and i drop the sprint connection a few times
riding around
it then fails to re-acquire the IP address.
look in your status and see if you still have an IP
when your data fails
fwiw
I never use Wi-Fi. Ever.
Happens while using both 3G and 4G.
Sent from my Nexus S 4G using xda premium
4G is worthless here...
i dont even bother with the switch
does it do the same thing if you disable 4G?
I almost always have to use 4G (if possible) since 3G speeds are slower than dial-up.
I've tried rebooting and leaving 4G off, and still the same. Even tried going back to Gingerbread.
Sent from my Nexus S 4G using xda premium
andrewddickey said:
I almost always have to use 4G (if possible) since 3G speeds are slower than dial-up.
I've tried rebooting and leaving 4G off, and still the same. Even tried going back to Gingerbread.
Sent from my Nexus S 4G using xda premium
Click to expand...
Click to collapse
If going back to GB doesnt help, maybe it is hardware related?
---===:::Greetzz, jojoost:::===---
Sent from my iPad using Tapatalk HD
This is happening with BOTH of my NS4G.
Possibility that BOTH have hardware defects?
Do a profile and prl update
Hit the thanks button if i helped
R0M CHEF said:
Do a profile and prl update
Hit the thanks button if i helped
Click to expand...
Click to collapse
In the original post, I stated that was one of the things I've done.
have you checked to see if you have an IP address
when data fails?
mine shows "unavailable" when it's wonky
and wont re-aquire till i reboot.
i'v seen this on 2 phones
off and on including on oem 2.3.7
fwiw
andrewddickey said:
Am I the only one with this problem?
Click to expand...
Click to collapse
I have the same problems. From what I understand, its a problem with the hardware. I can confirm that's probably the case, because I've tried many different ROMs (stock, cm, etc...) and they all have the same radio issues (3g/4g and wifi)...
I have an NS4G in the DFW area and haven't seen the issues you're reporting. I'm currently on 4.0.4 with D720SPRLC1 baseband. Maybe I'm just lucky and have a good signal at work and home. It's very rare that I find an area of DFW where I don't get any data signal at all. Not sure what to suggest.
I get random drops too and i hate it. My 3g speeds are fairly good even above 1 mbps. Highest i ever got on 3g was 1.51 mbps
Mine will lose data if I'm in a coverage free area for an extended period of time, when I'm back in range 3g icon will show up just never reconnect. A reboot fixes it
Certain Areas
There are certain areas where I live that data just disappears. Although this is just a network thing I believe. It's weird though when I am driving it's like a 10 second drop and then all is good. Hope you get a solid fix!:victory:
Backup 4g Partition
REMOVED - was a bad idea.
I've actually replaced BOTH of the phones with brand new NS4Gs and they shipped with ICS.
Still the same problem.
This is driving me nuts. I was driving and trying to download Maps for the new phone from the Play Store and it took 6 tries. Kept saying RETRY.
What I've come to believe is happening is:
When 4G connects, 3G disconnects. When 4G drops (which is does frequently), 3G has to reconnect.
***Is there a way to keep 3G "on" in the background while 4G is connected?*** Maybe a way for the radio to transition back and forth?