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This seems to work better for 3G!

I find this below to work better than the *#*#4636#*#*. Seems like 3G is stable now. I have yet to see the 1x since I did this. It does turn 4G completely off though. From what HTC support says they are working on a fix for the radio, camcorder, txt, and battery issues. I was told an update when it comes should set it back to LTE. We don't have 4G yet so a good 3G signal that sticks instead of dropping out to 1x is fine by me til they get it fixed.
http://www.androidcentral.com/having-3g-problems-your-thunderbolt-fix-just-few-settings-away
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but you cant talk and surf

Why not? I have been able to.
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hammer4203 said:
Why not? I have been able to.
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Are you on WiFi, because ehrp whatever is what allows you to talk and surf, putting it on rev a is just putting the phone on the old non talk and diem network.

Wifi off and it still works. Must be that it just turns the 4G off. I get email, txt, can put the wife on speaker and look at forums on the web and browse sites no problem.
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I thought it was known that you can use 3G and talk on this phone at the same time. You don't need 4G. I used it once just to see that I could. I'll probably never use it again.

ehrpd is not the talk and surf thing. It makes the handoff between 3g and LTE work properly. Without ehrpd all your data connections will reset when you go between evdo and lte

All this like does is show you how to set your tb so it will stay on 3G and not 1x, which it kills the 4G. I see no point in having 4G search if I'm not in a 4G area. Plus it helps that battery issue a bit too.
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1X all morning

Been stuck on 1x all morning, have tried rebooting, toggling connection (I am not in 4g area). I am on MR2 released radio. I am rooted.
Any one else having 3g or even 4g connection issues?
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Nope. Rocking a strong 4G actually.

Mustang02 said:
Nope. Rocking a strong 4G actually.
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Damn you. My area must just suck for connection especially on LTE side of things.
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00negative said:
Damn you. My area must just suck for connection especially on LTE side of things.
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Toggle to cdma prl in York LTE settings and reboot. If I have LTE set on I get 1x all the time. Not sure if its the real problem or fix but seems to work for me. I'm also in a 3g area.

00negative said:
Been stuck on 1x all morning, have tried rebooting, toggling connection (I am not in 4g area). I am on MR2 released radio. I am rooted.
Any one else having 3g or even 4g connection issues?
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What are of the country are in?

dalrym05 said:
Toggle to cdma prl in York LTE settings and reboot. If I have LTE set on I get 1x all the time. Not sure if its the real problem or fix but seems to work for me. I'm also in a 3g area.
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Yeah I have not had to with the newer radios but I guess I am forced to now.
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DoctorZaius68 said:
What are of the country are in?
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Midwest
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Same issue here.
This morning I wake up, and my thunderbolt is stock on 1x. If I switch to 4G, it will do 4g, but back to CDMA only, and stuck on 1x. I have 4G at home, but leave it on 3G because I normally am at work with no 4G coverage.
I flashed the stock mr 2 rom just to confirm and used the official radio just to be safe. No change.
Googled around a bit and here is a fix that worked for me...
Dialer -> ##778# ->Call -> Edit -> 000000 -> modem settings ->Rev A
Switch to enable from eHRPD and then hit back once. Menu->Commit.
Solved for me, but I don't know if it has adverse effects...

MordyT said:
Same issue here.
This morning I wake up, and my thunderbolt is stock on 1x. If I switch to 4G, it will do 4g, but back to CDMA only, and stuck on 1x. I have 4G at home, but leave it on 3G because I normally am at work with no 4G coverage.
I flashed the stock mr 2 rom just to confirm and used the official radio just to be safe. No change.
Googled around a bit and here is a fix that worked for me...
Dialer -> ##778# ->Call -> Edit -> 000000 -> modem settings ->Rev A
Switch to enable from eHRPD and then hit back once. Menu->Commit.
Solved for me, but I don't know if it has adverse effects...
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Click to collapse
Did the exact same thing. Doesn't have adverse affects other than with losing benefits of LTE.
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00negative said:
Did the exact same thing. Doesn't have adverse affects other than with losing benefits of LTE.
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Can you explain? What losing benefits with LTE?

MordyT said:
Can you explain? What losing benefits with LTE?
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This makes your phone use the "old" version of EvDO. Basically what all 3g phones that don't have 4g radios use. If your area doesn't have 4g, doing this change shouldn't effect you at all and might get you 3g if you are stuck in 1x.
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1X here all morning too. I'm in San Francisco.
On the plus side, my DL/UL speeds suck, but ping is 9 ms, so Mobile Hotspotting is still relatively fast.

MordyT said:
Can you explain? What losing benefits with LTE?
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Dont think you can use data while on a call when using EVDO, like you could on LTE.
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00negative said:
Dont think you can use data while on a call when using EVDO, like you could on LTE.
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You can in 3G with the Thunderbolt. I did it yesterday. I work in 4G but live in 3G, but this feature is what finally made me pick the TB over the Charge.
I started this morning with the 3G/4G toggle on 3G only, to save battery, and around lunch I switched 4G back on and it has been there since... I haven't had issues with 1X. Must be a regional thing.

KnightCrusader said:
You can in 3G with the Thunderbolt. I did it yesterday. I work in 4G but live in 3G, but this feature is what finally made me pick the TB over the Charge.
I started this morning with the 3G/4G toggle on 3G only, to save battery, and around lunch I switched 4G back on and it has been there since... I haven't had issues with 1X. Must be a regional thing.
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But we had to switch to the old network to get 3g to work at all.
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Thunderbolt calling issue

Just wondering why the dbags who made this phone disabled calling with LTE disabled, or is that just my phone?
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LowRentTechGuy said:
Just wondering why the dbags who made this phone disabled calling with LTE disabled, or is that just my phone?
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Voice isn't transmitted over LTE so it's more than likely your phone, or you have the wrong network mode selected. If you don't want to be on LTE you need to be on CDMA/EvDo Auto....
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Yea, voice goes over 1x. And probly always will, there's just not enough data in voice to warrant anything more.
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I am only getting LTE/CDMA or CDMA only, no other choice. I guess I will just keep it rocking LTE and just connect WiFi when I can.
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There is an app called lte on/off for free in the market.
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Oh, I just set it with dialer codes and I am sure it just a accesses the same menu.
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I just spent a week in a 'no LTE' area. I turned off LTE in settings (CDMA only) and had no problems with phone calls.

What does LTE turned off have to do with being able to make a call.
You can take the SIM card out and still make a call.
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Not sure but with my phone if LTE is off all my calls close before they start with a message of "Call lost".
Sent by way of carrier pidgeon.

That is not right, if your phone is doing that it is broken, take it back and get a new one.
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Actually if you take the simcard out you won't be able to use LTE phone at all unless you want to browse the internet over wifi.

seemcity said:
Actually if you take the simcard out you won't be able to use LTE phone at all unless you want to browse the internet over wifi.
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Nobody said data without SIM, just voice, which is accurate. You can still make calls without the sim inserted.
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If you have assisted dialing turned off, it will cause issues with trying to dial numbers.
If your numbers have area codes and a "1" in your contacts, they will not work unless you have assisted dialing checked on.

Dnakaman said:
If you have assisted dialing turned off, it will cause issues with trying to dial numbers.
If your numbers have area codes and a "1" in your contacts, they will not work unless you have assisted dialing checked on.
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Totally not true. I have yet to have any problems, and I have an out of state number.
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weird switching between Edge and 4G

Where I work, there is generally only edge network speeds (AT&T). In my building though, we have cell repeaters. While getting close to the repeaters, I can put my skyrocket into airplane mode and then re-enable the radios and suddenly, I'll get 4G (albeit slow 4G ~ 800kb/s-1.1 Mb/s) speeds.
1. Why wouldn't the phone auto-switch to the better network
2. Why can I get 4G through the repeater, when outside my building I can only get Edge? Seems more plausible that the repeater would cause even more loss on the network throughput...
just curious to see what others think about this.

The repeater is powered with a much better antenna than your cell. So it can pick up the 4g signal where your phone can't. It then sends that signal to you. So it doesn't surprise me that you get 4g service around it when you normally wouldn't without it. What does surprise me is why your phone doesn't automatically pick that up. Dunno
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Ends said:
The repeater is powered with a much better antenna than your cell. So it can pick up the 4g signal where your phone can't. It then sends that signal to you. So it doesn't surprise me that you get 4g service around it when you normally wouldn't without it. What does surprise me is why your phone doesn't automatically pick that up. Dunno
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even weirder was that until I updated to ICS recently, I couldn't even get the 4G, while everyone with Iphones could switch into airplane mode and back and get 3G at least. odd.
guess it's just the wonders of working 30 miles away from civilization...

bp787 said:
guess it's just the wonders of working 30 miles away from civilization...
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4G that far out? That would surprise anyone
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Ends said:
4G that far out? That would surprise anyone
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By 4G I'd assume we're thinking of HSPA+.
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lnfound said:
By 4G I'd assume we're thinking of HSPA+.
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yeah, it's not "real" 4G for sure. I'm only getting a max of 1Mb/s down. Usually around 400-500kb/s. but definitely beats out 15kb/s that I WAS getting
The phone indicates it as 4G on the icon.

Wifi calling

Is this available on Verizon? I enabled it in feature.xml and see the check box under phone settings now but how do you switch to wifi calling?
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I don't think it's available on verizon.
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s197 said:
Is this available on Verizon? I enabled it in feature.xml and see the check box under phone settings now but how do you switch to wifi calling?
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I do believe that Verizon is using Advance Calling as a way to use WiFi for calls as long as your phone supports Advance calling. Of course it still has to be enabled and it still uses minutes if you don't have unlimited talk time.
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DroidXrei said:
I do believe that Verizon is using Advance Calling as a way to use WiFi for calls as long as your phone supports Advance calling. Of course it still has to be enabled and it still uses minutes if you don't have unlimited talk time.
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I thought advanced calling was voice over lte

Nick281051 said:
I thought advanced calling was voice over lte
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It is when you're not on WiFi. If I remember correctly Verizon has the calls going over WiFi when connected even if you're in LTE coverage.
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DroidXrei said:
It is when you're not on WiFi. If I remember correctly Verizon has the calls going over WiFi when connected even if you're in LTE coverage.
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If that's correct, I should be able to make calls over WiFi if I have super spotty 3G coverage? I'm out in BFE Kansas and despite being on WiFi and having advanced calling enabled, I can barely get a call through. I was pretty sure Verizon doesn't use WiFi at all for calling.

Yeah I don't think volte uses wifi. I wish they'd add it so we could make calls when we're outside the us
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