[Q] Can't find 4G Signal anymore[Sprint] - Nexus S Q&A, Help & Troubleshooting

I just got a Nexus S 4G today. converted from ATT to Sprint.
I use a Clearwire internetmobile usb also.
Stock, my 4g worked in and outside my house, great. I have experience rooting many phones and flashing many roms for friends family and myself, but never played with 4g.
I rooted with oneclick root in the 4g dev section, and used the rom cm7 from the same section. everything works great except it no longer picks up or finds the 4g connection. my clear finds it and they are the same wimax.
is there any reason why it doesnt work, or some sort of workaround?
Sprint Nexus S 4g.

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[Q] G2X on AT&T data issues?

Sorry if this is redundant folks, but a friend of my stepfather has been having some issues. He recently purchased a G2X, used it for a month or 2 on T-Mobile, but now wants to switch to AT&T with his girlfriend. He's gotten pretty far, getting the IMEI from T-Mo and getting it actually unlocked. He's now got Calls and Texts up and running on AT&T's network, but he can't get any data to work. We know that 3G won't work on it, but we assumed EDGE would.
Any help here? I'm sure it something reasonably simple.
Please and thanks, XDA!
There's a thread in the SGS2 dev section with AT&T's APN settings. They probably need to be changed in the phone.
Mine is unlocked and I tried my wife's at&t sim and had no issues connecting to internet. Not that that helps you, just wanted to throw in my experience. I wonder if it makes a difference which type of rate/data plan the at&t sim is on.
G2X CM7
Thanks Barry, I found that thread and sent him the APN settings. I'll post back tomorrow with results.
And thanks for your input phburks. The reason why yours worked may be that you're running CM. Our g2x is running stock Android.
Sent from my PC36100 using XDA App

Issues not connecting to 4g

Ok, so i just got my droid charge. First thing i did was brick it, restore it, boot loop it, restore it again, root it and then installed gummycharge..lol.
any way, i saw that there was a new modem out, EP3HA http://forum.xda-developers.com/showthread.php?t=1293175&page=4, and i installed it. At first i did not notice anything bad, 4g worked find in my house, but now that i am at work, i cannot connect to 4g at all. My thunderbolt had no issues with 4g, even got it in a small server room.
Is there a better radio i can install to get my 4g back at work? right now im sitting at -103 1 bar, 3g My thunderbolt had a 3 bar 4g
thanks
Some people who have had modem issues with EP*** in general have claimed to be running more stable after reverting back to EE4. You might as well switch out and test the various modems with your setup as YMMV.
Sent from my Droid Charge using XDA App

Captivate wifi calling with t-mobile sim card

Hi, I have a question about my Samsung captivate that is unlocked and running CM9. I have a phone plan with tmobile, and was wondering if I could get the wifi calling feature that is on the vibrant on my captivate. I am comfortable with flashing custom roms and the like, so if I have to make some changes, that is fine.
In short, my question is “Can I get the wifi calling app that is available on the tmobile vibrant on my unlocked captivate running CM9”.
Thanks, Ben Finch
I'm going to assume you have an up to date SIM from T-Mobile. Some older cards that came out just about the time the vibrant did were incompatible with Wi-Fi calling, and required people to get new ones. So, if it doesn't work, that's a possibility.
I work in a phone store, got to see that action first hand.
As for Wi-Fi calling, you shouldn't have to hack unless you're running a stock Rom on the captivate that has unknown source installations (side loading) blocked by default. If that's the case, browse the stickies.
Wi-Fi calling, last I checked, was simply a regular apk. Check out the vibrant and galaxy s 4g forums, I'm sure it's posted there somewhere. I'm out of town and using my phone, otherwise I'd be able to extract it from my wife's g2 and post it. PM me if you don't find it there, I think I can get it from my desktop eventually.
Sent from my SGH-I897 using xda app-developers app
Captivate Wi-Fi
Ben F said:
Hi, I have a question about my Samsung captivate that is unlocked and running CM9. I have a phone plan with tmobile, and was wondering if I could get the wifi calling feature that is on the vibrant on my captivate. I am comfortable with flashing custom roms and the like, so if I have to make some changes, that is fine.
In short, my question is “Can I get the wifi calling app that is available on the tmobile vibrant on my unlocked captivate running CM9”.
Thanks, Ben Finch
Click to expand...
Click to collapse
Hi Ben,
I'm having the same exact issue. Did you ever find a solution? If so, please advise. Both Samsung and T-Mobile reps say it's not possible to have Wi-Fi calling with Captivate. Seems there should be a way.

Net10 Data problems

Recently I bought a Samsung Galaxy S2 Skyrocket from AT&T, along with a Net10 SIM card. Everything works, but the data is unreliable. At home (10 miles from Harrisburg, PA), I have a five bar signal, but the internet works on and off. Even when I have the 4G icon on my phone, the internet does not always load. I have (best) coverage in my area, too. I have searched forums, and contacted customer support, and did not find any useful help. I have tried several APN configurations, and my modem ICS is the latest as far as I know (UCLI3), unless if I have a leaked version. Should I downgrade my ICS, upgrade to the leaked ICS, or root my phone? Is there anything I can do?
yevy1234 said:
Recently I bought a Samsung Galaxy S2 Skyrocket from AT&T, along with a Net10 SIM card. Everything works, but the data is unreliable. At home (10 miles from Harrisburg, PA), I have a five bar signal, but the internet works on and off. Even when I have the 4G icon on my phone, the internet does not always load. I have (best) coverage in my area, too. I have searched forums, and contacted customer support, and did not find any useful help. I have tried several APN configurations, and my modem ICS is the latest as far as I know (UCLI3), unless if I have a leaked version. Should I downgrade my ICS, upgrade to the leaked ICS, or root my phone? Is there anything I can do?
Click to expand...
Click to collapse
I would downgrade to ics and start trying out multiple radios and apns ucli3 for me did help in anyway if that doesnt work I would go even down gb good luck is allbi can say but net10 from what i hear isnt the awesome its like more like 1/2 3g
Sent from my SAMSUNG-SGH-I727 using xda premium
Net10
crashpsycho said:
I would downgrade to ics and start trying out multiple radios and apns ucli3 for me did help in anyway if that doesnt work I would go even down gb good luck is allbi can say but net10 from what i hear isnt the awesome its like more like 1/2 3g
Sent from my SAMSUNG-SGH-I727 using xda premium
Click to expand...
Click to collapse
I have a Samung Galaxy Proclaim from Net10 that gets up to 3 Mbps on 3G in my area, which is enough for me. It's pretty annoying when I look at my Galaxy S2 Skyrocket, and it's not loading or lagging at 200kbps.
UCLF6
I downgraded to the uclf6 modem, which sped up the data connection by a little, but not much. I'll try downgrading even more.
I have tried the two new leaks for the ICS modem, which were UCLK4 and UCLL3. Both modem versions were unstable. What I will stick to is the Telus SGH-T989D modem update, which had proven to be the most stable and beneficent results. Thank you for all of your help!

Skyrocket getting tmobile 4g

Hi, I know getting the tmobile 4g has been discussed before but im having a strange issue. I flashed cm10.1 and the umcm1 radio and successfully got excellent 4g in two different cities. Well I jusy moved somewhere new and it no longer gets 4g. A friend on tmobile with a htc sensation 4g gets the 4g no problem while I was getting edge. So I tried flashing numerous radios including the ucmc1, uxuma7, uvmb1, uvmc6. On all of these I either only got edge or flashing between hspa and DC with horrible speed and lag when I tested it.
I even installed a new rom, the fresh n slim one and tried new radios for that but same issue. Ive also tried switching between the fast and epc tmobile apns with no luck. The weird thing is when I installrd freshnslim it shows the 4g icon but its still the same awful speed and lag. Im at a loss for what to try next, please help!
Sent from my GT-N5110 using xda app-developers app
You tried everything you can already...Now you have 2 last chances :either ditch T-Mobile or buy a T-Mobile phone...

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