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my 4g and 3g signals keep alternating..... seems like clockwork every 10 or so seconds... and im getting 2 bars of 4g.. :/
anyone else having this issue? i've tried both radio versions.
Moved as not Android Dev.
If you move to an area where your phone loses 4g then it takes a second to switch back to 3g. If your phone keeps finding and then losing the 4g signal it could do this.
It could also be exclusive to the custom ROM you are running?.. If you are..
This is when I stay still... im in philadelphia where they have 4g... right now I'm rooted.. running rooted stock Rom. No 4g data transmission at all but I believe a lot of people are having this problem with the Rom? I believe I was having a problem before I actually rooted though.. anyone else?
Not till I tried to run Fresh rom then I tried damages rom same outcome my 3g and 4g keep altering went back to my rooted stock and its good again. When I tried to flash the 4g fix it would stay in 3g and the 4g would be stuck in turning on mode this was done while on the fresh rom
I had the exact same problem. It has nothing to do with signal strength.
For some reason, the Wimax is set to disconnect after 10 seconds if idle time.
Idle time is defined by the number of seconds no traffic is passing to or from the internet.
When it disconnects, wimax will rescan and reconnect to the 4G network.
I found a fix for this, you will need your MSL code though to fix this so call Sprint and ask for it.
##DATA#
EDIT mode
Put in your MSL code.
Wimax
Change "Wimax_idle_sleep" from 10 to 300 seconds.
Click menu > commit changes.
Your phone will reboot and problem solved.
clubtech said:
I had the exact same problem. It has nothing to do with signal strength.
For some reason, the Wimax is set to disconnect after 10 seconds if idle time.
Idle time is defined by the number of seconds no traffic is passing to or from the internet.
When it disconnects, wimax will rescan and reconnect to the 4G network.
I found a fix for this, you will need your MSL code though to fix this so call Sprint and ask for it.
##DATA#
EDIT mode
Put in your MSL code.
Wimax
Change "Wimax_idle_sleep" from 10 to 300 seconds.
Click menu > commit changes.
Your phone will reboot and problem solved.
Click to expand...
Click to collapse
thanks for the post this fixed the problem for me! also i used this tut to get my msl code: http://forum.xda-developers.com/showthread.php?t=697487
now the battery life is a lot better as well thanks again
This is great. I was trying to make these modifications directly in the [mac addy].tree.xml file and they wouldn't persist. A reboot and the values I modified were reverted to their original state. I didn't realize they had to be modified here.
deonjahy said:
thanks for the post this fixed the problem for me! also i used this tut to get my msl code: http://forum.xda-developers.com/showthread.php?t=697487
now the battery life is a lot better as well thanks again
Click to expand...
Click to collapse
Worked wonderfully.. Thanks
4G in New Jersey
I get 4G in my town, bound brook, NJ. Its almost as fast as wifi.
This problem was pissing me off to no end. This procedure fixed it perfectly! removing tree.xml first did not fix it, although some people have had that help them instead. Nothing is ever consistent but in the end, something usually works.
Hi guys,
Please help me out here:
After I rooted and unlocked NAND on my EVO by following the guides on this forum (part 1 and part 2), my 4g connectivity is totally unreliable.
The connection switches between 4g and 3g a couple of times a minute. Sometimes the EVO will have a full 4g signal and an ip address (according to the settings app), but when I open the browser it says that there is no network connection. Switching the phone to 3g fixes the connectivity issue.
I live on the 14th floor of a high-rise and had full 4g signal before rooting. I have tried the stock ROM as well as the Bugless Beast ROM and I get the same results.
Does rooting and unlocking NAND somehow mess with the 4g radio in the EVO, anyone have this issue in the past? Please help, I don't want to take this thing back to Sprint and go for the iPhone
Have you updated the radio? Go to settings and see if you baseband is 1.39.00.05.31
4G Radio
What is your current baseband at?
you should be at 1.39.00.05.31 or higher. If you look for the Fresh .2 Rom, they have the Radio zip. reboot into recovery and flash with the new Zip it will update your Baseband radio will be updated.
I had issues with 4G connectivity I updated my radio and I am all set.
-Joshonekenobi
Yes, I just updated to the latest baseband and it's still doing the same thing.
The phone shows full signal on 4g and all of the sudden switches to 3g and back to 4g again. This occurs several times a minute.
Is there some way I can flash it back to completely stock ROM?
Thanks,
Rayden1000
i'm rooted via unrevoked and my 4g is spotty. rooted or not. for me I think its 4g not set up yet. It is a work in progress. I'm in St. Louis. Speeds suck as well.
Avg. 1.2 download 4g
Avg. 0.5 download 3g
I am in Baltimore, the first 4G market. I really don't think it has to do with coverage....before rooting (and even after rooting, when on 4G), I get about 3.6 down and 1 up (upload is capped at 1 by Sprint).
I also live in a high rise that's half a mile from Clearwire's 4G tower........my issue is that after rooting, the EVO is not locking to 4g, it keeps switching back and forth between 3g and 4g.
Rayden1000
rayden1000 said:
Yes, I just updated to the latest baseband and it's still doing the same thing.
The phone shows full signal on 4g and all of the sudden switches to 3g and back to 4g again. This occurs several times a minute.
Is there some way I can flash it back to completely stock ROM?
Thanks,
Rayden1000
Click to expand...
Click to collapse
Same issue here... Try this: go to settings and disable mobile networks (i.e. turn 3G off). When I do this, speed test works fine, but as soon as I try to do something real it disconnects and says there is no connection, even if it had a strong signal... not terribly useful!
L_Mo said:
Same issue here... Try this: go to settings and disable mobile networks (i.e. turn 3G off). When I do this, speed test works fine, but as soon as I try to do something real it disconnects and says there is no connection, even if it had a strong signal... not terribly useful!
Click to expand...
Click to collapse
L_Mo,
Were you having this issue before rooting (I am just assuming that you did root)? I swear that I did not have this issue before doing the full root and Nand unlock. When I just had Unrevoked root, I was using my Evo as my internet connection for my laptops for a full week with no issues and as a result I disconnected my Comcast cable internet.
I am just at a loss here, if I can't get this fixed, I will have to either flash the phone back to stock or take it back to Sprint for an exchange.
Rayden1000
I had the same problem after rooting. I am having better luck with Flipz stock rooted rom. I am using Flipz ota 1.32.651.6 rooted rom with the 1.39.00.05.31 radio. I wiped cache and delvic before flashing.
If this doesn't work for you you can get the stock RUU and reflash to unrooted stock.
jgarozzo said:
i'm rooted via unrevoked and my 4g is spotty. rooted or not. for me I think its 4g not set up yet. It is a work in progress. I'm in St. Louis. Speeds suck as well.
Avg. 1.2 download 4g
Avg. 0.5 download 3g
Click to expand...
Click to collapse
Unrevoked is a ***** root and couldn't possibly mess with your 4G, sorry to say!
And, to the rest of you, rooting would not mess with your signal at all unless you dropped your phone or some ****. Installing the newest radio would be my only recommendation. Or you can unroot it and try to exchange it for a different EVO.
erikjonpeterson said:
I had the same problem after rooting. I am having better luck with Flipz stock rooted rom. I am using Flipz ota 1.32.651.6 rooted rom with the 1.39.00.05.31 radio. I wiped cache and delvic before flashing.
If this doesn't work for you you can get the stock RUU and reflash to unrooted stock.
Click to expand...
Click to collapse
Thanks erikjonpeterson,
I am going to to download that ROM now.... I knew I wasn't crazy when I said that 4G worked fine before rooting. I am finding more and more info online about many people having the same issue
Rayden1000
rayden1000 said:
Thanks erikjonpeterson,
I am going to to download that ROM now.... I knew I wasn't crazy when I said that 4G worked fine before rooting. I am finding more and more info online about many people having the same issue
Rayden1000
Click to expand...
Click to collapse
I had the same issue. Reflashed the RUU and still had connection problems (good 4g signal, but use the internet and it drops and switches to 3g). Didn't have problems with my 4g data card though.
edit: I actually thought I messed something up myself before I even rooted. I was in a bad area and kept roaming even though I could get a weak Sprint signal so I switched it to Sprint only and I think I mightve messed with some other settings under that mobile network tab. What are the default settings?
So basically, something in the full rooting process (not the unrevoked one), f's up the baseband or access to the baseband? I am not an electronic engineer, but it's obvious that doing the full root messes up 4G.
Any senior members in the know have a fix for this? I already exchanged my Evo once because of several stuck pixels, it would look suspicious if I went back to the store again...
Rayden1000
rquinn19 said:
I had the same issue. Reflashed the RUU and still had connection problems (good 4g signal, but use the internet and it drops and switches to 3g). Didn't have problems with my 4g data card though.
edit: I actually thought I messed something up myself before I even rooted. I was in a bad area and kept roaming even though I could get a weak Sprint signal so I switched it to Sprint only and I think I mightve messed with some other settings under that mobile network tab. What are the default settings?
Click to expand...
Click to collapse
Default settings under Mobile Networks: Every option is checked.
Rayden1000
rayden1000 said:
So basically, something in the full rooting process (not the unrevoked one), f's up the baseband or access to the baseband? I am not an electronic engineer, but it's obvious that doing the full root messes up 4G.
Any senior members in the know have a fix for this? I already exchanged my Evo once because of several stuck pixels, it would look suspicious if I went back to the store again...
Rayden1000
Click to expand...
Click to collapse
Don't take what I said as a definite Evo or root problem. I'm curious as to if it's a 4g here in Philly problem. When I first bought the 4g card it was great, but wasn't using it so I returned it. Bought it again 4 months later and I returned that one because the 4g was terrible. I'm thinking 4g where I'm at sucks and is getting worse with more and more people jumping on it. I was a 3g early adopter so I'm not worried yet.
edit: I'm gonna go down to an area that's known to have a good 4g signal after work and sit around and do some "testing".
Which market are you in? Sprint has been doing a ton of testing in markets that aren't officially live yet.
I don't think it has anything to do with the ROM.
If when you are connected to 4G you can access the internet, only suddenly 4G it drops for no reason and switch to 3G and then reconnects to 4G and goes on and on, below is the solution. if when you are connected to 4G you can not access the internet at all, the below wont fix it for you and it is probably a problem with your rom.
You will need your msl code to fix this, loop up in the forums to to obtain your msl code from Sprint:
hit ##DATA# > Edit mode.
Put in your msl code
Chose WIMAX
Scroll down to Wimax_Idle_Sleep
Change the value from 10 to 300.
Click menu, commit changes and restart the phone.
This fixed it for me and i never drop 4g (when in good coverage) again.
Basically Sprint has some STUPID setting that tells 4g to go into "sleep mode" of no data is passed on the 4g connection after 10 seconds which is essentially disconnecting 4g.
The problem is it goes into sleep mode (disconnecting), but then rescans and look for a 4G signal > reconnects to 4g and if no data will be passed in 10sec it will do the same again in an endless loop.
10sec to put a connection into sleep mode is really low so change it to 300sec.
The odd thing is that this is only happening in certain locations and with certain towers.
I tried to call Sprint and explain about this issue but my attempts fell on death ears.
Go ahead and try the above. if it helps you please someone make this a sticky as you are not the first i see having the issue.
Valicore said:
Which market are you in? Sprint has been doing a ton of testing in markets that aren't officially live yet.
Click to expand...
Click to collapse
I am in baltimore, the first 4G market.
I have to tend to agree that something in "Part 2" is messing up something with 4G. I've done Part 1 and successfully "upped" the radio with no 4G loss. Living in $G Vegas, I would get solid 2 bars inside my office. Once I did Part 2 and redid the phone, I would get "jumping" from 3G to 4G...
I still have to wonder, when flashing the new radio, why (after Part 2) it gets "stuck" in formatting cache and you get no "confirmation" of an upgrade. I am an AnooBroid...but this just doesn't seem right to me.
(Edited) - This post is now obsolete... Teaches me to refresh the page on the Evo before posting!
I'm having trouble with my EVO staying in 3G coverage. My phone is fully rooted and running Froyo (The problems were the same with the Eclair build however), have the 2.05+ radio installed (however the problems were the same with the 1.39 radio as well) and I'm living in Michigan.
At any given time my phone will slip into 1X coverage and will seem to lock in there. When I first received the phone I felt like the phone quality was subpar compared to the Hero I had prior. I'm not sure if its been a firmware issue or network issue or simply a phone issue (starting to think the later), but hoping its a simple fix with something else.
About a week ago I was on a trip across Michigan which should have had 3g coverage the entire way (I was a passenger and trying to use wireless tethering to do some work along the trip). I would constantly go into 1X and would have to restart my phone to get back in 3G. Even at home I'll go into 1X and will have to reboot my phone to get it back to 3G.
I've tried Real Signal as well during these times and it also shows no 3G signal.
Anyways, anyone else experience this? Is it likely a bad radio or something else. I hate to have to return the phone and go through that process plus root again but I might have to at this point.
Thanks for any help that can be provided!!
Hmmm, whereabouts in MI? I am all over the south east and have never seen my phone drop out of 3G yet.
Have you tried wiping everything and trying stock rom w/OTA 1.47 just to make sure it isn't the ROM?
I am having the exact same problem. Using 2.0xxx radio and Fresh 0.5.3. I recently exchanged my phone and got a new one. The first phone did not do this
Try this:
When it shows you no 3G coverage, instead of restarting, go to-- SETTINGS> WIRELESS & NETWORKS> scroll down and look at "Mobile Network". When i get the 3g problem it says "Connection Failed". I think uncheck that box and re-check it and it connects back to 3g again (for a time, but then I have to do it again).
My MOBILE NETWORK settings are: Data Roaming = OFF, Always-on mobile data = ON, and CDM Roaming mode is set to: SPRINT only. Call guard = ON but i dunno what that means.
I dunno wtf is going on with this. Im in Houston and this issue is really pissing me off because i actually got a Novatek screen this time and don't want to risk taking the phone back and getting the Epson...
Anyone else experiencing this retarded issue?
Elegant: I'm in SE Michigan as well. I've tried several roms and have had issues with them all. I'm currently using a Froyo rom with similar issues as I've had with stock and other eclair roms.
As for checking/unchecking the box as you stated in Froyo I don't have that option available... I'm sure there's another way to get to it but I can't through settings. I think there was a #* code to get to where you are talking about but I'd have to look again.
It is a very annoying issue and like yourself I don't want to have to return my phone if there's a simple fix.
On a side note: How do I find out what panel I have? I've been considering the kernel that would get rid of the 30 fps cap but haven't yet pulled the trigger in part because I don't know which panel I have - and because I need to learn a little more about it before I go ahead with it.
http://forum.xda-developers.com/showthread.php?t=719763
Post 3 tells how to determine screen
Thanks for your help - got the kernel and now get around 40 FPS. Now if I can just figure out why the phone goes in and out of 3g on occasion. Its really not as big a deal when I'm at home but when I travel it is a pain.
well i returned my phone and got one with an Epson screen. im using Fresh 1.0.1 and it is even worse. i cant even use 3g data for more than 5 seconds before it disconnects. i've read some stuff about APN but dont know how to refresh/update them. i've updated PRL and Profile and nothing helps. how am i having this problem with 2 phones running 2 different ROMs? last rom was fresh 0.5.3 and now it is fresh 1.0.1...
anyone help with this APN issue? (i dont even know what APN stands for)
i actually am using the kernel for 55 FPS for Epson screens. would that be a factor either?
I'm and having the same issue with 3g.
Every thing worked fine with the first stock root of 1.32.651.1, PRI 1.40_003, PRL 60666.
With the second root of 1.47.651.1, PRI 1.34.651.1 now my 3g is unstable.
I don't know what FPS has to do with any of this, but I put radio radio-1.39.00.04.26 and it seems to improve a tiny bit, but I don't know how to update back to PRI 1.40_003.
Not happy
Also having problems in SE Michigan. Just started today after installation of Fresh 1.0.1 and the new radios. I also have a co-worker with and unrooted EVO and the latest OTA/Radio with the same problem.
I have a rooted EVO (DC 3.2.3). My wife has a stock EVO (fully updated).
Last night our phones started bouncing between roaming/sprint 3G, while we were sitting at home.
We started getting this error if we turned off Data Roam:
"Data Call Failure
Error Code 67: Registration failure. Your PCS Vision username and/or password may be incorrect. Please try again."
The error pops every time it tries to connect to Sprint's mobile network and fails.
We also live in Michigan. Perhaps they are doing provisioning?
Rebooting + update Profile/PRL seems to help, sometimes, but not permanently.
I am having the same issue with my 3g coverage.
When I go into my settings and turn mobile network on, it connects but then immediately says connection failed.
Does anyone have any suggestions as this is getting really annoying and frustrating.
Went to a Sprint store last night; apparently Michigan was having some significant network issues (the store reps said their phones kept getting disconnected as well), and that it was expected to be resolved by sometime today. After a reboot last night, I haven't had any more issues myself.
Connects to sprint, then disconnects.what gives?
Does it say "connecting to sprint" then just disconnects and goes back to scanning? if so then youre going to need to get a replacement for your evo.. unroot it and bring it back to sprint. for some reason the wimax partition got messed up and deleted an important auth number that we can't get back.
That reply was a bit extreme. When I updated to 2.2, I got my 4G back. It still will try to connect to and go back to scanning if the signal is too weak, but that's normal.
-Roger
I just reflashed the WiMax radio & the problem was solved. Try it out.
How do I reflash the wimax radio? Same issue here...
Thanks Dave..
chitown21y said:
How do I reflash the wimax radio? Same issue here...
Thanks Dave..
Click to expand...
Click to collapse
Are you rooted?
chitown21y said:
How do I reflash the wimax radio? Same issue here...
Thanks Dave..
Click to expand...
Click to collapse
Yeah, I'm not rooted. Thanks
No not rooted..
I actually had this problem yesterday, I was so worried that i reflashed everything and nothing changed. But after waiting a couple of hours I was able to connect to 4G.
Though this may not apply to you, I guess some of the 4g towers were under maintenance.
If 4G isn't official in your area it could be that the tower's won't give out an IP address and you won't connect. For Example. 3 weeks ago I was driving around LA. Close to Korea Town I locked onto 4G with only one bar, then later when I was in Glendale it saw a 4G network but it wouldn't get an ip address.
had the same issue yesterday.. did a full wipe, still a no go.. checked today and bam! 4G is back
I'm in a solid 4g area, I have had perfect service until the .3 to .6 fiasco. Any directions on how to refresh the wimax radio for a noob would be greatfully appreciated.
experiencing this as well.
having the same issue. says connecting to sprint and even authenticating but then it disconnects and starts scanning again.
hi i had the same isssue no matta wat i did no 4g so i had sprint send me a replacement so i unrooted n upgraded to 2.2 n my 4g is working perfect .but now no root n im pissed i hoping my replacement will have 2.1
I was having issues with my 3G cutting out randomly. I would be in a known coverage area, and in the middle of a speed test, wifi tether, or any other app requiring internet, the 3G would just stop working. The 3G icon would blink as if it was trying to reconnect, but wouldn't. I would either have to restart the device or cycle the mobile internet on and off. I would also get error code 67 and 104 randomly as well. Today, I updated my Radio to 2.15.00.05.02, but haven't really had the chance to see if it's functioning correctly. Any advice? I'm a bit of a noob, so keep it simple for me.
Sitting at home with the EVO on 3G and just got error 104 again. Running...
ANDROID 2.2
PRI 1.90_003
PRL 60672
Just updated to ANDROID 2.3 and the latest RADIO combo pack and I'm still having the issue. During SpeedTest, the 3G stops responding randomly. Sometimes it picks back up again, but most of the time, it will stop responding altogether. Settings issue? Any help would be great.
A Tower is down on Sprint (sub-Boost Mobile).
That is what's causing your in and out fades.
Should be updated by end of the week.
Boost Mobile (EVO)
Android 2.2
2.15.00.11.19 (downgraded as I thought it was radio, but will be upgradeing back to Radio 2.15.00.05.02 after Tower is repaired)
Software 3.70.651.1
PRL 61007
same problem here, but with good towers
hey guys I have the samsung epic with the same proble, it works fine and fast on 3g but sometimes it just stop working. the 3g arow keeps sending, and I get the same error codes, so, what can I do to fix this? ah my epic is on boost mobile
So others are having this issue as well. Interesting....anyone got any ideas?
Sent from my PC36100 using XDA App
I have the same problem. It has nothing to do with the towers. I am running synergy RC2 and my 3g will drop. I have to then disable the 3g and reinable it for the 3g to work. This will last for 3 minutes to 5 hours. It's very annoying. I have come to the conclusion that it is either software related or the PRL.
Some PRL's have more problems than others. It seems that the boost PRL (I think it is 61007) will be running a speed test and cut out and I get an error saying there has been a network communication error. 60678 seems to work best for me although I have to keep resetting the 3g.
I have the same issue with the Speedtest.net app. It cuts out with a network error. Anyone else got any input???
Sent from my PC36100 using XDA App
Having the same issues every hour... any thoughts?
I updated my data profile and it doesn't do it anymore.
Sent from my PC36100 using xda premium
i wish i had ur problem -.-, mines it i cant make calls or texts, says my account could not be validated, but my 3g works fine =[