Howdy,
So update on my last post "Devastated". I was able to change out the Inspire for the Infuse again. YAY!
However, is it normal for the phone to bounce back and forth between UMTS and HDSPA? Is there anything I can do about it?
lock on cdma
go into the dialer and dial *#*#4636#*#* then go to phone info and choose cdma only
Isn't cdma completely different than hspa? As in not fauxg?
mine switches back and forth as well. down speeds remain the same in both. Read the 'features' section of this. it explains it better. http://en.wikipedia.org/wiki/Universal_Mobile_Telecommunications_System
Related
my phone will drop connection and then not reconnect. no voice, no data. (wifi still works)
what I've tried:
1. Different radios/firmware
2. different roms
3. different preferred network types
4. switching airplane mode on and off
what I haven't tried:
1. different sim
2. calling tmobile for suggestions
What else could cause this problem?
it could be a hardware issue
Hello,
I have the same issue than you !
I am facing issues such as call drop and no 3G data connection in some area in my region since I have 5 signal bar and H letter displayed (HSDPA connection)...
I have found a workaround consisting in:
1 - Switching to GSM Only mode (2G Only)
2 - Desabling Mobile Data Connection
Then it works, I can pass and receive voice call ...
Regards,
Nino
I'm new to the Sensation and having the exact same issue.
Followed the stickies in the Dev section to S-OFF, root and bypass SIM lock and then once the SIM card is inserted I get only GSM and no data.
If you use *#*#4636#*#* in the Dialer and go to Phone Information do you notice that it always switches to WCDMA preferred? I change to GSM/CDMA auto PRL like all my other Android devices (on Rogers Wireless) and it disconnects, reconnects but only for GSM and no data. It sometimes says it's connected to EDGE or HSPA but no icon at the top right and then it reverts back to GSM.
I have also tried flashing virtually every firmware, ensuring that the radio and RILs match (I had an HTC Desire Z so the HTC phones are not new to me entirely). I don't know what else to do. I tried a Bell SIM card and tried all of the same options to no avail.
I really hope someone can figure this out. I don't want to have destroyed a phone that I just bought for my wife. Her Atrix broke and I purchased that outright as well, so this is really killing my wallet. I've been through about 10 Android devices and I wouldn't say I'm a newb, but I really do feel like one right now. This sucks!
Get a new sim from tmo if it's over 2 phones old.
Sent from my HTC Sensation 4G with Beats Audio using Tapatalk
mrbkkt1 said:
Get a new sim from tmo if it's over 2 phones old.
Sent from my HTC Sensation 4G with Beats Audio using Tapatalk
Click to expand...
Click to collapse
Exactly. Although I got it before I saw your post, you were completely correct.
definitely try a new sim card.
bongd said:
I'm new to the Sensation and having the exact same issue.
Followed the stickies in the Dev section to S-OFF, root and bypass SIM lock and then once the SIM card is inserted I get only GSM and no data.
If you use *#*#4636#*#* in the Dialer and go to Phone Information do you notice that it always switches to WCDMA preferred? I change to GSM/CDMA auto PRL like all my other Android devices (on Rogers Wireless) and it disconnects, reconnects but only for GSM and no data. It sometimes says it's connected to EDGE or HSPA but no icon at the top right and then it reverts back to GSM.
I have also tried flashing virtually every firmware, ensuring that the radio and RILs match (I had an HTC Desire Z so the HTC phones are not new to me entirely). I don't know what else to do. I tried a Bell SIM card and tried all of the same options to no avail.
I really hope someone can figure this out. I don't want to have destroyed a phone that I just bought for my wife. Her Atrix broke and I purchased that outright as well, so this is really killing my wallet. I've been through about 10 Android devices and I wouldn't say I'm a newb, but I really do feel like one right now. This sucks!
Click to expand...
Click to collapse
I've tried 5 different SIMs now. It's not a SIM issue. The other poster has a different issue but mine's identical to the OP's.
bongd said:
I've tried 5 different SIMs now. It's not a SIM issue. The other poster has a different issue but mine's identical to the OP's.
Click to expand...
Click to collapse
have you tried allowing data roaming in settings? I'm sure you have...
stonew5082 said:
have you tried allowing data roaming in settings? I'm sure you have...
Click to expand...
Click to collapse
Haha yup, thanks though! I know, it could always be something so tiny and stupid too, eh.
Someone posted in my own thread and said to do the following. Will by trying it once I get home. Could the OP please try this and report back? I sure hope it works!
johnerz said:
first open the dialer
Type *#*#4636#*#*
select phone info
look for the only drop down box - hit it - choose wcdma prefered - hit back 3 times
Go to menu settings woreless and networks
hit mobile network - it need to be ticked
hit mobile networkS hit APN or Access point names - hit the menu button - choose reset to defaults
go back to mobile networks - choose network mode, select wcdma only - look for the 3G or h sign when it shows go back and choose gsm/wcdma auto
if that fails do a manual net work selection - choose your networks 3G option
Click to expand...
Click to collapse
bongd said:
Haha yup, thanks though! I know, it could always be something so tiny and stupid too, eh.
Someone posted in my own thread and said to do the following. Will by trying it once I get home. Could the OP please try this and report back? I sure hope it works!
Click to expand...
Click to collapse
I did try every setting in there. The new sim card fixed it! So I guess our problems are different.
I have ALWAYS had very poor AT&T service in my house, from my iphone 3g, iphone 4, iphone 4s....as soon as you pull in my neighborhood AT&T service just goes to ***
I got the One X however and realized I can pick up LTE here when the radio first turns on! I can put it on airplane mode, take it off...and I'll get LTE for about a minute. I get 10mbps down instead of the 1mbps when it's just on "4G"
However..this can barely make it through a SpeedTest as it's 1 or 2 bars of service...then it switches from 2 bar 4G LTE to the 3 or 4 bar "4G"
The phone is thinking I get better service with just the plain 4G so it forces me to connect to that....in reality it's a tonnnn slower and much worse.
Is there any APN setting or any root hacks to force the LTE connection? I get LTE pretty much everywhere in town (las vegas) but like I said my neighborhood doesn't seem to be on AT&T's maps!
If you go to your dialer and type in *#*#4636#*#* it will take to a screen where down a bit from the middle is the option "select network type" tap that and there is and "lte only" option. I have read that this works to force only hspa+ but can't confirm it for forcing lte. Give it a shot though.
Sent from my HTC One X using XDA
I found the screen....Has a bunch of options with "LTE Only" being one of them...however...when I click on that option it flashes as being set to "LTE Only" for half a second and then reverts to the default option of "GSM/WCDMA/LTE auto"
Damn, thought you were on to something!
play2lose said:
I found the screen....Has a bunch of options with "LTE Only" being one of them...however...when I click on that option it flashes as being set to "LTE Only" for half a second and then reverts to the default option of "GSM/WCDMA/LTE auto"
Damn, thought you were on to something!
Click to expand...
Click to collapse
Did you try any of the other settings just out of curiosity to see if any of them worked?
Edit: just read through a thread that is doesn't work now. Bummer
Sent from my HTC One X using XDA
Hello There !
Are you still getting this problem ?
A friend just bought a OneX and Got this prob ...
Any idea ? maybe a Radio Update ?
Thank you in advance !
bradleyG said:
If you go to your dialer and type in *#*#4636#*#* it will take to a screen where down a bit from the middle is the option "select network type" tap that and there is and "lte only" option. I have read that this works to force only hspa+ but can't confirm it for forcing lte. Give it a shot though.
Sent from my HTC One X using XDA
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Click to collapse
This does NOT work for forcing either HSPA or LTE. It always reverts back to auto. AT&T does not let you choose your network, period. We will not be able to choose the network unless and until we get the Rogers ROM working on the AT&T units (or until someone builds a custom ROM giving us the functionality of Rogers).
chrikenn said:
This does NOT work for forcing either HSPA or LTE. It always reverts back to auto. AT&T does not let you choose your network, period. We will not be able to choose the network unless and until we get the Rogers ROM working on the AT&T units (or until someone builds a custom ROM giving us the functionality of Rogers).
Click to expand...
Click to collapse
Yes, if you would have read the other posts you would have seen that we already mentioned that this doesn't work.
Sent from my HTC One X using XDA
Necro'ing this post because it has recently helped me in getting LTE coverage and I hope it helps others. This code mentioned earlier in this thread, *#*#4636#*#* and method of forcing LTE does work on Rogers devices.
skydirt said:
Necro'ing this post because it has recently helped me in getting LTE coverage and I hope it helps others. This code mentioned earlier in this thread, *#*#4636#*#* and method of forcing LTE does work on Rogers devices.
Click to expand...
Click to collapse
Sure it does... rogers devices and debloated ROMs are the only ones that can be forced into LTE mode. It's AT&T ROMs that can't
Sent from my Nocturnal Evita
If you are rooted and have an unlocked bootloader, try a version of CleanRom or a stock rooted rom which is not an AT&T base. I have been able to lock my radio to LTE (only when not making calls that is) with CR V and I am on AT&T. The only thing is that when you make a call you get bumped to 3g/HSPA because AT&T doesn't do voice over LTE
I have Verizon Samsung Galaxy s3 and used phone info app to turn on only 3g selected (CDMA auto PRL) but I'm not getting full signal when I'm close to a tower I get maybe 3 bars. Am I selecting the right option in the app or should I select something different?
From what I have read, that would be correct but on another note.... I haven't seen 4G all day today and my 3g is only 1-2 bars since starting my morning...
VZW SGS3 Tap a Talk
vudugan said:
From what I have read, that would be correct but on another note.... I haven't seen 4G all day today and my 3g is only 1-2 bars since starting my morning...
VZW SGS3 Tap a Talk
Click to expand...
Click to collapse
I am unable to get back 4g since i switch to cdma/gsm prl. any body else having this problem? Anyone know how to fix it? I try to change it back to LTE but it keep reverting back to cdma/gsm prl.
wingchun108tek said:
I am unable to get back 4g since i switch to cdma/gsm prl. any body else having this problem? Anyone know how to fix it? I try to change it back to LTE but it keep reverting back to cdma/gsm prl.
Click to expand...
Click to collapse
you have to reprovision your device with this dialer code: *2767*3855#
this wipes data so have a backup ready...
Alright, well, I live in a 3G area and everyday for school I usually have 4G. Well since about 2 days ago I can't seem to pick it up. My data icon on the top just starts freaking out and over heating my phone. It shows no 3G or 4G signal and the bars will go away and come back and sometimes it'll just be completely empty and show and "R" where 4G should be. I went ahead and checked my mobile network settings And everything is set up to where I should get 4G except my "CDMA subscription" setting won't stick on "RUIM/SIM" it always goes back to NV. So for now I had to put my data to "CDMA/EvDo" rather than "LTE/CDMA/EvDo" I just got a new sim yesterday and it did it with the old sim as well. I'm running LiquidSmooth RC5 with LeanKernel and this is the first time I've ever seen this issue. Someone help me Please.
Try flashing a different ROM?
Sent from my SCH-I535 using Tapatalk 2
STVERDI said:
Alright, well, I live in a 3G area and everyday for school I usually have 4G. Well since about 2 days ago I can't seem to pick it up. My data icon on the top just starts freaking out and over heating my phone. It shows no 3G or 4G signal and the bars will go away and come back and sometimes it'll just be completely empty and show and "R" where 4G should be. I went ahead and checked my mobile network settings And everything is set up to where I should get 4G except my "CDMA subscription" setting won't stick on "RUIM/SIM" it always goes back to NV. So for now I had to put my data to "CDMA/EvDo" rather than "LTE/CDMA/EvDo" I just got a new sim yesterday and it did it with the old sim as well. I'm running LiquidSmooth RC5 with LeanKernel and this is the first time I've ever seen this issue. Someone help me Please.
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Click to collapse
Why would you want to stick on RUIM. That is GSM and not LTE band.
I'm running the latest stock JB Leak (K1), I've flashed the K1 and HE radios in CWM but all I ever get is a 3g signal in areas I'd usually get 4 bars of LTE.
I've already tried:
Flashing K1 and HE Radios in CWM
Restarting
Changing Network mode to CDMA/LTE from Global
Picking LTE - Verizon Internet in Access Point Names
After flashing a radio hitting Clear Cache and Dalvik Cache
Restarting without SIM in and then Restarting with the SIM
Thanks in advance.
What did you use to go from cdma to lte?
Sent from the Matrix
You've already tried what I would suggest:
Go to Settings, Wireless/More Settings, Mobile Networks, Network Mode, LTE/CDMA. Then Access Point Names, LTE.
The only time (with HE or K1) I can't pick up 4G well is in my house. I go outside and it picks it up, but inside will drop to 3G.
If it's an issue for you, then you may want to revert back to whatever Ice Cream Sandwich ROM you were using before, such as HE, G7, or F2.
If you did a backup in Clock Work Recovery, then you can just restore it.
dnar56 said:
What did you use to go from cdma to lte?
Sent from the Matrix
Click to expand...
Click to collapse
Settings>More Settings>Mobile Networks>Network Mode>LTE/CDMA
Other options
Global (Whenever I switch to LTE/CDMA it eventually asks if I want to switch to global, no difference seen between them)
LTE/CDMA
GSM/UMTS
Hmm you might just have to wipe the phone and flash clean
Sent from the Matrix
I had to exchange my phone with Verizon
I just nandroided back to ICS, it's acting very funny.
I can get a LTE signal now but ONLY by going to an app (Phone Info) and switching from LTE/CDA/EvDo to LTE only. Also after switching to LTE it still only shows a signal of -120dBM (while still showing an LTE icon), after I switch the screen off and then back on it shows bars and the dBM starts to register normally.
I can still not get LTE to work regularly with CDMA/EvDo and haven't seen it switch to LTE once without me changing it.
I've tried the K1, JB and HE stock radios.
Would clearing all data before doing the nandroid do anything?
bumping
Fixed the problem, I got everything cleaned up and back to stock (using the guide that's pinned in the Q/A forum and went into Verizon, they gave me a new SIM Card and I can now get 4g LTE again, still on stock, will be nandroiding when I get out of class.
If there are any probems after the nandroid I'll post them here, if not everything went according after the nandroid.
So if anyone in the future is having this problem it could be the SIM card.
CaptnKeegs said:
Fixed the problem, I got everything cleaned up and back to stock (using the guide that's pinned in the Q/A forum and went into Verizon, they gave me a new SIM Card and I can now get 4g LTE again, still on stock, will be nandroiding when I get out of class.
If there are any probems after the nandroid I'll post them here, if not everything went according after the nandroid.
So if anyone in the future is having this problem it could be the SIM card.
Click to expand...
Click to collapse
I was just going to recommend trying the Re-provision code (only works on early ICS builds), and if that didn't work getting a new SIM card.
Glad to hear the SIM card fixed your issues!
I had the same issue. But a new sim didnt fix the issue. Replacement on the way.
Sent from my SCH-I535 using xda app-developers app