[SOLVED]Can't get 4g or 3g. Only E. - T-Mobile Samsung Galaxy S II SGH-T989

I fixed it by flashing a new ROM and wiping all the data!

Someone please help! I don't know what to do!

Nevermind, I think I fixed it!

I fixed it by changing the band to GSM Preferred/GSM ALL but now I only get E. Any way I can get back 4g?

Change it back to automatic or Odin kl1 modem from rootzwiki team kang post.
DaAwesome1 said:
I fixed it by changing the band to GSM Preferred/GSM ALL but now I only get E. Any way I can get back 4g?
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chib1panda said:
Change it back to automatic or Odin kl1 modem from rootzwiki team kang post.
Sent from my SGH-T989 using XDA App
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Click to collapse
I changed it to auto, and i'm getting signal. Time to check if 4g. Thanks.
EDIT: It shows signal, but Im not getting any. Can't send text or browse web. Time to odin modem.

I flashed it, and I went to settings and looked at the network mode: It was GSM only. I changed it to auto mode. It seems to still get and send texts, and I looked at band selection with the dialer code, and there wasn't a star besides anything. I think it might've worked, but I still only get e.

By flashed I mean odined. Lol
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I tried changing it to automatic in the band selection menu, and it showed signal, but texts didn't send.
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Also, if it means anything, I can't change it to wcdma only in settings.
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Can anyone help?
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If anyone helps me get it fixed TONIGHT, I will try to donate a few dollars to them.
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I had same issue and this is how I fixed it.
disable data connection and switch your phone off, remove the back cover and remove sim card completely. Then re-insert sim card and turn your phone back on and it should ask you to re-enable data connection once it boots up.
let me know if this helps

media_11 said:
I had same issue and this is how I fixed it.
disable data connection and switch your phone off, remove the back cover and remove sim card completely. Then re-insert sim card and turn your phone back on and it should ask you to re-enable data connection once it boots up.
let me know if this helps
Click to expand...
Click to collapse
I did this, but it didn't ask me to turn it back on, so I turned it on manually, and still only E.
Sent from my SGH-T989 using xda premium

Other phones receive 3G? Perhaps T-Mobile is servicing your area? This has happened to me but I had no control over it.

iLeopard said:
Other phones receive 3G? Perhaps T-Mobile is servicing your area? This has happened to me but I had no control over it.
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Click to collapse
It had 4g earlier today, plus my dad's T989 has 4g here
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Delete and re-add apn?
Sent from my SGH-T989

Did you by any chance flash a rom port?
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Weird. My issue was that I was testing a few of the skyrocket modems. After using Odin to get kl1 it worked again. Yeah i would sugeest resetting apn in wireless settings .
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Here's what I did that messed with my 3G
I flashed skyrocket roms.
So what I did was wipe everything. Go to mounts and storage and format system. Then flash Juggernaut or any other rom you desire. Then you're done
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Related

(Request)Wifi calling flashable fix

Tried searching but not really having much luck. Need the flashable fix for wifi calling. Getting a error code when turning on. Using Moh's ROM-v5-BETA2 Rom but the wifi calling is not working. Getting error code REG99. Seen a flashable fix some time ago. Can someone post it here please.thanks a million!
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No one can help me out?
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I don't think there is a fix bud, I haven't seen it atleast. The wifi calling has been pretty unstable lately from what i have been seeing. I also get that error code once and a while but usually fixes itself. Its been happening alot more in the last few days.
Got the same error this morning out of nowhere. Could be tmos side
Sent from my SGH-T989
darkside79 said:
No one can help me out?
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Click to collapse
You need to restore wifi calling settings via titanium backup. If u don't have, download a stock rom ands pull the apk from there
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Copy the three files and put them in your titanium backup folder. Then restore the app
*link removed*
Reboot and post back with results
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shehrammajid said:
Copy the three files and put them in your titanium backup folder. Then restore the app
http://db.tt/ptpgTULJ
Reboot and post back with results
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Click to collapse
Thanks but I just tried this but still not working.was working on the Juggernaut 4.1 but not this Rom
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darkside79 said:
Tried searching but not really having much luck. Need the flashable fix for wifi calling. Getting a error code when turning on. Using Moh's ROM-v5-BETA2 Rom but the wifi calling is not working. Getting error code REG99. Seen a flashable fix some time ago. Can someone post it here please.thanks a million!
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I was getting error ER05 and REG99 earlier today. I was able to get it working by disabling wifi calling (i had to wait a few seconds while it was trying to enable and was finally able to uncheck the box). Next i disabled wireless networking, then shutdown the phone pulled the battery out. Once the phone was off, I did reset my router, but I'm not sure whether the router is a factor. Once the router was back up i put the phone back together and turned on wireless, then enabled wifi calling. Worked with no errors. Before it started working, I did chat online with "support" and they said there were no outages in my area and that i should call tech support. My router is a Linksys WRT54GL

[Q] 4G Data

So i installed this rom http://forum.xda-developers.com/showthread.php?t=1579269 and everything was fine, i followed instructions and all that, but it appears that my 4g icon is missing, it only appeared for 3 seconds the whole entire time i had this rom, can anyone tell me how to get it back .
Thanks in advance
duskblade55 said:
So i installed this rom http://forum.xda-developers.com/showthread.php?t=1579269 and everything was fine, i followed instructions and all that, but it appears that my 4g icon is missing, it only appeared for 3 seconds the whole entire time i had this rom, can anyone tell me how to get it back .
Thanks in advance
Click to expand...
Click to collapse
The stock rom lies .. or rather smudges the truth a little by showing a 4g (or H) even when your not really on that band. If your data speeds have not changed then I'd not worry about it.
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PJcastaldo said:
The stock rom lies .. or rather smudges the truth a little by showing a 4g (or H) even when your not really on that band. If your data speeds have not changed then I'd not worry about it.
Sent from my SGH-T989 using xda app-developers app
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Well i meant like my internet is not working because there is no 4g, i can only use wifi apparently.
duskblade55 said:
Well i meant like my internet is not working because there is no 4g, i can only use wifi apparently.
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Click to collapse
Oh.. OK go into your APN settings and make sure its selected on tmobile. And then reboot. Also try turning on and off airplane mode.
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PJcastaldo said:
Oh.. OK go into your APN settings and make sure its selected on tmobile. And then reboot. Also try turning on and off airplane mode.
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Click to collapse
I tried what u recommended but yet, still nothing =/
That's an ATT port, why dont you flash a ROM made for our phone? Darkside or Infamous are two reliable TW ROMS. AOKP or CM9 are two stable AOSP ROMS.
Sent from the pink Unicorn from the Darkside.
Well. You either need to try another radio. Or a different rom..
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[Q] Issues - UGH

I'm having some issues. I am on Incredible HD RLS 2, I haven't been able to get on WiFi and this isn't the only ROM where WiFi isn't working. It will just never connect. Well, I tried to install ICS Official global CM9 upon initial boot it said it couldn't read my SIM. I powered down pulled the SIM put it back in and put the phone back together and then I couldn't get any service. No matter what I did I have no service.
Yes I followed all the instructions, wiped everything, flashed the proper gapps and the kernel.
Since that didn't work I went back to my nand and still no service. Anyone have any suggestions?? Please help
On global cm9 rum through setup and change network mode to cdma/evdo becuz it defaults to gsm
I'm so fresh you can suck my nits...
Will give it a shot, thanks.
Sent from my PG86100 using xda app-developers app
Awesome, got service back, but WiFi is still not working. It just forever searches and never connects to a network. Anyone have any ideas?
This happens to me sometimes and restarting my router usually clears it up, not sure if you have tried that, just throwing it out there.
I can't reset the router, I'm on a college campus. I have the latest firmware and radios,switched out rom after Rom and still WiFi doesn't work. Any other suggestions?
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JJsax said:
I can't reset the router, I'm on a college campus. I have the latest firmware and radios,switched out rom after Rom and still WiFi doesn't work. Any other suggestions?
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Click to collapse
Anyone?
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Maby try to go under wifi and press the menu soft button to get to the advanced options and see if you have both freq checked idk if it'll help or
Sent from my Incredibly still working

Is my modem borked?

I keep losing data randomly and the only fix is to cycle airplane mode. Any idea what's going on?
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Try this man. It will fix your problem make it even better.
https://play.google.com/store/apps/details?id=com.freshnetwork
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chuko303 said:
Try this man. It will fix your problem make it even better.
https://play.google.com/store/apps/details?id=com.freshnetwork
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Click to collapse
I'm having the same issue but the app didn't fix anything. It only started the last week or two, and I've only been using CM10 and nothing else. I've flashed the different radios, including the new one, the L7? Did that today and still haven't noticed any thing different.
Not sure if it's the ROM after a certain date or something.
I have always had roaming on and national roaming on too. Never had issues in getting 4G until the data started cutting out completely.
Any other suggestions? I don't think apps are going to help.
It also seems that I'll have WiFi when the phone is on, but when I put it to sleep, it switches to data. When using data in the car and I put the phone to sleep, then it goes from data to no-data.
Real frustrating.
chuko303 said:
Try this man. It will fix your problem make it even better.
https://play.google.com/store/apps/details?id=com.freshnetwork
Sent from my SPH-L710 using xda premium
Click to expand...
Click to collapse
That app is just a gimmick... why else would it hide the status bar? It most likely just toggles airplane mode like i have been.
same issue also I am on codefirex 11/11/12 build. for me I will lose 3g after approx 30 mins of use and then no service....so I reboot the pH and I get 3g back.
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Problems with roaming...

I had roam control on my phone not too long ago & it worked perfect. Nothing it didn't do that I wanted it to..
Well I recently put it back on my phone & it's still working , but now, whenever I am in Roam Only mode.. Nobody can call my.phone.. When they do, it just goes straight.to my.voicemail.
I used to be able to receive calls just fine, whether I was roaming or not.
Anyone have any ideas of why it may be doing this?? Would appreciate any input.. Thanks guys!!
* Sent from my Stupid, Sprint Samsung Galaxy S2, Epic 4G Touch *
What is your rom, kernel, modem, and prl?
I took a screenshot of my about phone section and attached it. Is that what you were asking for? I don't know how to check my prl. If you can tell me how, I would appreciate it..
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MissLaniS said:
I took a screenshot of my about phone section and attached it. Is that what you were asking for? I don't know how to check my prl. If you can tell me how, I would appreciate it..
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Click to expand...
Click to collapse
At the top of that page where you took the screenshot should be a Status or Phone Status option... tap that and scroll down to see the PRL.
For example my prl is 60690 and it roams just fine.
Mine says, PRL 21092
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& I have come to find out that, if someone calls me it goes straight to voicemail & it's not just when I'm using roam control app.. It's anytime I roam at all...
How can I fix this??
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MissLaniS said:
& I have come to find out that, if someone calls me it goes straight to voicemail & it's not just when I'm using roam control app.. It's anytime I roam at all...
How can I fix this??
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Click to expand...
Click to collapse
Are they doing work in the area? This happened to me during NV upgrades.
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Don't think so. I have horrible service where I live. I'm on sprint, but for some reason I get no signal here usually. That's why I use my roaming sometimes. But I've used the roam control app before & would get calls just fine when roaming. Then I had to reset my.phone and reinstall the app, & now I can't get calls while roaming, at all.
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