3g times out? - EVO 4G Q&A, Help & Troubleshooting

I was wondering if anyone else has/had this problem. My evo tends to time out on 3g, especially when I download a rom. The 3g indicator just goes dark and will stay that way for a couple minutes. It wouldn't be a big problem but I don't have hi speed where I live so every Rom I download is through my phone internet. When the 3g times out it causes the Rom download to fail. Has anyone else had this problem and what can you do to fix it? It's irritating having to download a rom 5 plus times
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j_shelton1988 said:
I was wondering if anyone else has/had this problem. My evo tends to time out on 3g, especially when I download a rom. The 3g indicator just goes dark and will stay that way for a couple minutes. It wouldn't be a big problem but I don't have hi speed where I live so every Rom I download is through my phone internet. When the 3g times out it causes the Rom download to fail. Has anyone else had this problem and what can you do to fix it? It's irritating having to download a rom 5 plus times
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This only happened to me when I was on stock. Now that I'm on a custom ROM, it doesn't happen anymore. I notice you are on a custom rom, so I'm sure that's not the problem.
It may be a coverage problem. It also happens to me when I'm switching from 3g to 1X, so that may be it.

The area I'm in has almost full signal. I've actually experienced this more on custom roms then when i was on stock.
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j_shelton1988 said:
The area I'm in has almost full signal. I've actually experienced this more on custom roms then when i was on stock.
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Have you tried flashing the more updated radios, etc?

Just did. Will report back to see if it helps
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j_shelton1988 said:
Just did. Will report back to see if it helps
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Any update on this? Just was curious if this did the trick for you.
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My 3g does not work on roms outside of stock sense roms. I've read where others says sense roms always show 3g even if you are getting a 1x signal but my wife has an evo 4g, unrooted, as well and my 1x is way slower then her 3g signal. I 1x signal won't load web pages in most cases. I downloaded the most recent OTA and then flashed a rom after words but still no 3g.

Any update on this? Just was curious if this did the trick for you.
After I flashed the new radios etc. I tried to download a rom overnight. When I got up it said download failed, then I remembered to update prl and what not. After i updated things were ok until I tried out my 4G. I was having major issues with it not downloading. It was extremely slow. I was using the shooter ROM when these problems started so I flashed another ROM and haven't had any problems so far. Is it possible for a rom to affect 3g and 4G performance?
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Bravo78 said:
My 3g does not work on roms outside of stock sense roms. I've read where others says sense roms always show 3g even if you are getting a 1x signal but my wife has an evo 4g, unrooted, as well and my 1x is way slower then her 3g signal. I 1x signal won't load web pages in most cases. I downloaded the most recent OTA and then flashed a rom after words but still no 3g.
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This isn't necessarily true. Most custom ROMs show 1x. However the stock does not. Also, 1x should be slower than 3g.
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Sorry if I wasn't clear but that was my point. Thats what most people "say" about roms showing 1x and my 1x is slower then my wife 3g so I know its not that we don't have 3g in our area, its the rom. Right now I'm using R2R-green-R3, which has a 4g LTE icon and faster then the 1x rom I was using before. I flashed the honeycomb theme over it looks great and works great!
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Bravo78 said:
Sorry if I wasn't clear but that was my point. Thats what most people "say" about roms showing 1x and my 1x is slower then my wife 3g so I know its not that we don't have 3g in our area, its the rom. Right now I'm using R2R-green-R3, which has a 4g LTE icon and faster then the 1x rom I was using before. I flashed the honeycomb theme over it looks great and works great!
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It shouldn't be the rom causing you to get 1x, have you tried updating prl/profile? I've run multiple custom roms and never had a problem. Areas where I know get 1x show it, but areas that get 3g show 3g and have 3g speeds
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I did up date the prl/profile but still no 3g. I'm at 3g speed now so its not a problem. Maybe I did something wrong on the other rom?
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Related

3G problems on all roms

Every rom Im on forces me to go on 1x instead of 3g. 3g only works on the stock rom. Why is this?
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If the roms you're running happen to be aosp roms, then its showing your "true" connection. The stock rom will almost never show when you have 1x because that's how sprint/htc wanted it. On aosp if your connection is really bad (3G) it will show 1x if that's what you really have. To do some test of your own id recommend downloading "mobile signal widget" from the market and compare signal strength both data/voice.
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Okay thanks. Ya cuz a sprint Rep told me a few days ago tthat some towers are down so maybe that's whats going on
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That could also be the problem lol
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i kno in the frederick, md area they just put some 4G (pretty signifcant too) coverage in the downtown area (5-6mbps so far)...so if ur in that area it might maybe have somethin to do with it. my gf had 3g up until today (after a fix supposedly), but now she's on 1x. so im guessin they're puttin more coverage up. cuz over the last few days ive been getting a wider and wider spectrum of 4G in different places in the surrounding area(s).
i'll do the 3G fix once i get a sense rom flashed, and check it out with a update on this thread posting.
Okay so I was with my friend last night who has the same rom as me (CM7) and he had 3G while I still had 1x. Now I have no idea what's going on
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Constant switch between 3g and H (DZ)

hey...
so i've been having this weird behavior where the phone would constantly drop from H to 3g and go back to H even when i would be getting full H signal...
no matter which ROM i flashed the same issue kept happening... same goes for the radio I tried flashing two different radios and the same problem happened ... any body else experiencing something similar?
Yep, I have the same "issue". Its not really an issue since the phone only shows H when its actually transferring data and will show 3G otherwise. I almost don't notice a lag between the switching anymore, if there is any...
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testerman123 said:
Yep, I have the same "issue". Its not really an issue since the phone only shows H when its actually transferring data and will show 3G otherwise.
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Wrong. I have a H (now 4G with tmobile gingerbread leak) always unless I'm in an area that doesn't have 4g. Maybe on custom roms that happens but not on stock froyo that came with it(tmobile g2) and GB leak
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testerman123 said:
Yep, I have the same "issue". Its not really an issue since the phone only shows H when its actually transferring data and will show 3G otherwise. I almost don't notice a lag between the switching anymore, if there is any...
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Same here. Mine will always show 3G unless I'm transferring data. I don't notice any lag at all, and it's always been like this across different roms. My girlfriends myTouch 3G does the same thing as well so I don't think it's an issue, maybe it's the radio trying to save battery, but I really wouldn't know.
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The stock rom will always show H even though it may not be until you start transferring data. Custom roms normally can tell the difference unlike stock is what a few devs have told me about it, so I wouldn't worry
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This has been discussed before on the forum and is normal behaviour for the stock DZ rom. I think the conclusion was clever power saving. As HSDPA and HSPA+ are releases of the 3G standard it is normally seamless to go between them so when data is active it will try and go to H while idling at the more power efficient 3G.
This behaviour can be configured which is why some roms show signals differently. The stock behavior of the G2 shows H all the time i think even though its dropping to 3G.
Craig
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jellybean rom questions??

ok so on these jellybean roms, my messages never send half the time even when i have full data bars or signal bars also my data always jumps back and forth between 3g and hspa and i know for a fact im in hspa region cause on a ics rom it says 4g all the time this sh*%$ getting annoying anyone know why it does this only on jellybean roms, is it cause the source code isnt fully available or something
thakrew317 said:
ok so on these jellybean roms, my messages never send half the time even when i have full data bars or signal bars also my data always jumps back and forth between 3g and hspa and i know for a fact im in hspa region cause on a ics rom it says 4g all the time this sh*%$ getting annoying anyone know why it does this only on jellybean roms, is it cause the source code isnt fully available or something
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Find a jellybean radio and flash it, should fix your problem. There is a couple threads on radio's in development section.
Hi, I'm currently using a cm10 rom and I flashed the UVLH radio. JB works smoothly for me and calls are clear and messages arrive lromptly even. Maybe just flash a new radio one that's okay for ICS
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Still bouncing back n forth between 3g and 4g what's the jellybean radio?
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thakrew317 said:
Still bouncing back n forth between 3g and 4g what's the jellybean radio?
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There is NO JB radio. 3G and 4G are almost the same thing. I do not believe T-Mobile phones with 4G can acquire 4G, as our 4G is a fake 4G. It is more a 3.5G. So I believe that it is just that the system recognizes the signal as 3G, but is really 4G.
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alphadog32 said:
There is NO JB radio. 3G and 4G are almost the same thing. I do not believe T-Mobile phones with 4G can acquire 4G, as our 4G is a fake 4G. It is more a 3.5G. So I believe that it is just that the system recognizes the signal as 3G, but is really 4G.
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Oh well damn why on ICS ROMs tho its says 4g all the time same thing basically
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ROMS not keeping 4G

I have been flashing for years and i just came over from ATT SG3 where i had no problems flashing and retaining 4g, but now on tmobile every rom i flash all i ever get is 3g and never 4g .. only for a brief second. the reason i came from ATT was the unlimited data.. can someone please assist as i used CM10, AOKP, WICKEDv5, blackjelly..... i cant figured it out. any help would be appreciated.
So you have the T-Mobile version now? Tried different radios
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Teo032 said:
So you have the T-Mobile version now? Tried different radios
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I have tried every single radio but alas.. i have had no luck and i live in Phoenix, AZ and i have tried all the 4.1.1 modems
OptimusSteel34 said:
I have tried every single radio but alas.. i have had no luck and i live in Phoenix, AZ and i have tried all the 4.1.1 modems
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Hmm i would think Phoenix should have good service. Maybe you should Odin back to stock and start all over. Radio is the only reason i can think of that would affect the speed.
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How are you distinguishing what connection you are on? Many roms will show H+ instead of 4g
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I'm on stock. Rooted yesterday and download speeds seem slower now. I will do more testing this afternoon.
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well on the t-mobile variations the best you can get is H+ and most ROMs show that. other than that, try using a different kernel. that was the problem for me where my data wouldn't even work sometimes.
It looks like op knows the difference between 3g and 4g/H+ he noticed that he only gets 4g for like a second here and there and that's it.
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I had a similar problem. What happened with me was one day I went from great 4G (HSPA+) speeds 80ms Ping, 25MB Down, 4MB Up to all of the sudden a 1200ms Ping with 0.05MB Down and NO UPLOAD.
Turns out it was a problem with some towers in my area. Took T-Mobile two weeks to fix everything. Not sure if that is what's happening here but it could be possible.
OptimusSteel34 said:
I have tried every single radio but alas.. i have had no luck and i live in Phoenix, AZ and i have tried all the 4.1.1 modems
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I live in phoenix, Arizona.
My sun niggaa!
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Same issue AOKP Build5 4.2.2
I too have this same issue with AOKP build 5 solid 3g but no 4g (H+) (tmo)
Stock however has solid 4g (chandler AZ)
gonna try CM and see what happens there.
Also gonna research radios aswell (really really really liked AOKP just didnt like being back on 3g)

From 4G to Edge, No 3G

Why is it that I only flip between 4G and Edge but have no 3G. Does anyone else have this or is it a t mobile network thing?
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Pivo99 said:
Why is it that I only flip between 4G and Edge but have no 3G. Does anyone else have this or is it a t mobile network thing?
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It depends...are you stock, rooted stock, or custom ROM? The reason I ask (regardless of settings) is I never got 3G on stock. After I rooted and used Kasper's AOKP nightlies my phone would use Edege, G, 3G, and 4G. Where I work the signal wasn't so good so locking onto 3G was tough but with the J4 and JA modems now I can consistently hold 3G with the AOKP ROM.
My opinion is to check for the newest modem which is JA (Jelly Bean update) if you are rooted and use that from the modem download thread here on XDA. If you aren't rooted wait for the upgrade and you will get that modem regardless.
However, AOKP ROM most likely works differently so you still might not see 3G if you are stock JB that's why I think we would needa bit more info.
I'm stock everything for a change lol. I also have the latest jelly bean update. I haven't seen 3G once on the phone since I've gotten it. It's really weird...
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Your second guess is correct. Tmo is edge or a highly evolved version of 3g. It has nothing to do with stock vs rooted. The modem or kernel may help a little depending on what you are running. If you are in high speed 3g area aka 4G be happy.
Yeh it just gets annoying when I drop straight from 4G to Edge. :what:
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TomTcom said:
It depends...are you stock, rooted stock, or custom ROM? The reason I ask (regardless of settings) is I never got 3G on stock. After I rooted and used Kasper's AOKP nightlies my phone would use Edege, G, 3G, and 4G. Where I work the signal wasn't so good so locking onto 3G was tough but with the J4 and JA modems now I can consistently hold 3G with the AOKP ROM.
My opinion is to check for the newest modem which is JA (Jelly Bean update) if you are rooted and use that from the modem download thread here on XDA. If you aren't rooted wait for the upgrade and you will get that modem regardless.
However, AOKP ROM most likely works differently so you still might not see 3G if you are stock JB that's why I think we would needa bit more info.
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Pivo99 said:
I'm stock everything for a change lol. I also have the latest jelly bean update. I haven't seen 3G once on the phone since I've gotten it. It's really weird...
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T-Mobile uses HSPA+ for their current 4G network, which is just an extension of their 3G network. So, if you're on stock, it will jump from Edge to 4G, since T-Mobile's 3G and 4G are of the same technology.
When you're rooted, it will show 3G while your phone is at rest. As soon as "heavy" loads come in, it will shoot straight 4G. At times of very light loads, your phone might stay on 3G, but it's rare.
Bottom line, you're phone is perfectly fine when it jumps from 4G to Edge. Stock won't differentiate the two (3G&4G).
Well described... Thanks for clearing that up. Hopefully it helped some other people also.
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