Lost 3G after installing ROM - Nexus S Q&A, Help & Troubleshooting

I was playing around with my Nexus S. I flashed a few ROM just to test them out. Then I realized that my 3G stopped working. My baseband shows "NO DGSXXXBK1". I have the Rogers/Fido/Telus/ATT version. Do I need to reflash the radio?
Any ideas?

have you try updating your phone with the new basebands from the development threads?

Did you ever get this figured out?

Related

[Q] lost my 3G, i only have EDGE network

I live in Canada and my provider is Rogers.
I have play with custom rom, but was tire of them, so i decide to put back my nexus s on stock rom.
I have push the file that i found here version 2.3.3 http://forum.xda-developers.com/showthread.php?t=1063664
Then i let the auto update do the reste. every thing was ok accept that now i cant connect to the 3 G network, i only have edge connection.
I have try to push version 2.3.4 and i got same results.
i have also try Alot of reset to factory default.
here is my phone infos
android ver. 2.3.4
baseband version NO DGSXXKD1
Kernel 2.6.35.7-ge382d80 [email protected] #1
build number GRJ22
Thanks to anyone that can help me.
Marc
Last week i had same problem, i almost got crazy, but after all, the problem was in my provider.
Have you tried another sim card?
Sent from my Nexus S using XDA App
That is odd...
I am also with Rogers and I got my phone bricked when I first tried to root it because some guy posted a wack file which bricked almost everyone's phone..
Anyways to the point... I also got the same stock image from the link you posted but for the 2.3.4 update I got it from searching on google somewhere. (Think it was one of those "How to manually update Nexus S to 2.3.4" pages).
I just checked my phone info and it displays all the same info as yours... I am pretty sure I had 3G even before pushing the 2.3.4.... Try locking the boot loader and re unlock and give it another shot. If nothing works, just lock the boot loader after you install the 2.3.4 update and take it back to rogers and ask them to send it in for a fix.
hi guys... thanks for trying to help me...
I was going to return my phone when i found this thread about radio
http://forum.xda-developers.com/showthread.php?t=1116884
i have try KB3, KD1 and finaly the working one, UCKD1.
my phone is up and runnig as it was....
Now i think iam going to try other radio (ope i wont kill my phone....lol)
Thanks again.....
Marc

[Q] Help. Flashed my Telus Nexus S with ATT firmware, now network type shows GPRS.

I'm (obviously) a bit of a newb when it comes to android, and I was flashing back from cm7 to see how it was done. When I reinstalled GRJ22, everything was working fine. I then downloaded and flashed the OTA update to GRK39C (or so I thought). It turns out it was the update to GRK39F, which apparently is ATT or GPRS specific. My phone now thinks it's on ATT and is trying to use GPRS.
I'm on Telus in canada, and use HSPDA.
The phone was also showing baseband version I9020AXXKF1, it should be I9020AUCKD1.
I've tried restoring from a backup, flashing back to cm7 and to stock fw's, and even tried flashing the radio.
My phone still shows GPRS, and now baseband version shows I9020AXXKD1.
Is there any way to fix this? I hope someone here is knowledgeable about this...
That baseband is associated with the i9020t, or the t-mobile variant. The canadian nexus s is identical to the at&t version.
There is a sticky with all the roms. Use it and get the right rom installed
Unfortunately, the ROM I need seems to be one of the missing ones. Is there any way to backup the radio from my wife's (identical) phone and flash it to mine?
It looks like the file I need is 5282b5b3eb74.signed-sojua-ota-178324.5282b5b3.zip but I'm unable to locate a working link for the file. Can anyone tell me if this is correct and/or provide a live link?
Actually that particular one you want has broken tethering... This is a dump is the 2.3.4 with I9020AUCKD1 radio from my US import i9020a tested and working on SaskTel HSDPA+.
http://dl.dropbox.com/u/7812800/Stock-GRJ22-i9020A-unsigned.zip (will need to be flashed via CWM Recovery)
Thanks! I got it working by flashing the unsigned ROM in the sticky thread, and I'm running cyanogenmod 7.1 RC now. I'll keep the stock ROM on file just in case though...
r.asimi said:
Thanks! I got it working by flashing the unsigned ROM in the sticky thread, and I'm running cyanogenmod 7.1 RC now. I'll keep the stock ROM on file just in case though...
Click to expand...
Click to collapse
Cool... I hope it works out well for you.
btw i got a rooted version of the stock 2.3.4 if you are interested as well.
So, for some reason flashing with your ROM set my phone to UMTS. Can someone refer me to a howto to backup a full ROM image from a phone, since my wife's is working fine and is on the right type of network.

[Q] Nexus S major reception problems

Dear friends,
I am still new at this. A few weeks ago someone who told me they know how to flash roms would install a ics rom on my Nexus S (I9020A) for AT&T. However since then I have been having extremely bad reception issues. Now my phone might show full bars and signal, however sometimes when my friends call me I don't receive them, also vice-versa. Also my texts won't go through for a long time and sometimes fail, and lastly my 3g internet won't work at all or would be really slow until it connects.
I flashed my phone back to stock (I think.) and I also got a brand new sim card but the problem persists.
If anyone could please help me in describing what might be wrong and what should be done to correct this, please help me out.
Find out what radio you have ( about phone) and try a different one.
Make sure you only flash the radio for your device.
ICS wasn't released for your I9020A officially ... I would not let a friend touch my phone like this lol...
Now..As suggested , settings/about phone : see what version of stock rom and radio are you using now .. and report back
Some people have a debate on what radio is good with at&t and what not ....
Did you do a good clean up before flashing GB back to your phone ? i.e. format system / format boot , factory reset and so on ?
Android Version:
2.3.6
Baseband Version
109020AUCKF1
Build Number
GRK39F
I did do a good clean up prior to flashing back to GB. Would you guys be able to recommend a good radio for me please? Perhaps a link to the thread with the radio. I live in Southern California.
http://forum.xda-developers.com/showthread.php?t=1116884 this is radio
Radio UCKF1 (New Version) perhaps you should try this
qtwrk said:
http://forum.xda-developers.com/showthread.php?t=1116884 this is radio
Radio UCKF1 (New Version) perhaps you should try this
Click to expand...
Click to collapse
I suggest you also try old basebands like KD and KB.
Different baseband versions work differently in different regions and reception areas.

Nexus S flashed to Cm7. No signal or network detected

Hey guys, I just recently flashed to cm7 on the nexus s under sprint. I'm having problems getting a network to be detected or signal at all. This actually happened when I flashed onto cm9 from stock, then I figured I go to cm7.
EDIT: The phone model is SPH-D720, which is the nexus s 4g. But it doesn't seem to like any of the roms I want to flash, it always said that the aserts fails on the product. It works when I flashed Nexus S roms, which is weird and I made the mistake of flashing a Nexus S rom first. Did I screw it up by flashing it?
What's your baseband, found by going on Settings > About Phone?
Alot of the guides for rooting and unlocking are for the Nexus. It will work for the NS4G also, but make sure you have a NS4G clockwork recovery also. I would recommend flashing a new recovery and trying that first.
My baseband is D720SPRKE1. I'm not too sure what that means. I might've chosen a NS instead NS4G clockwork recovery. That might be my problem.

[Q] No Data after Flashing Custom Rom

Kind of long, but it's just a difficult explanation, please read and try to help me. Thank you.
Okay, so I have a really weird problem, and I can't seem to fix it at all. I unlocked the bootloader and rooted my Sprint Motorola Photon Q, and had no problem with data loss, then I flashed PAC Man Rom, and everything went fine and it flashed but then I noticed that I had no data. No 3G, 4G, or 4G LTE, the phone lost network signal, but what was weird is that I could still receive texts and phone calls.
So, then I read that wiping the Dalvik and the regular cache would fix it, and it didn't. Then, I also tried flashing a different ROM which also didn't fix it. I RSD back to stock firmware and the problem was gone. I even tried rerooting and just installing a different ROM but, it still had the same issue, so I just went back to stock again.
Can someone please help me fix this? I've looked everywhere and I can't really find anything to help me out with this.
Thank you in advance.
Is your provider Sprint as well...?
I'm not sure, data works here on custom ROM's... which version are you flashing? Have you tried CM11?
There's some new device unification going on, the newest KK builds are going to be under the "moto_msm8960" device instead of xt897...
No I haven't tried CM11. Where do I find the IMG for it at?
I have Flash Wireless, which is Sprint prepaid. I have tried CM11 and still nothing. I don't understand what is going on....I'm getting real frustrated because I want to put a good custom ROM on my phone....
thebizerker2014 said:
I have Flash Wireless, which is Sprint prepaid. I have tried CM11 and still nothing. I don't understand what is going on....I'm getting real frustrated because I want to put a good custom ROM on my phone....
Click to expand...
Click to collapse
Perhaps that's the issue. Did you check your APN settings? Is it using Sprint's network?

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