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No 3G on Samsung Galaxy S2 Vodafone India

Dear all,
I recently got a Samsung Galaxy S2 from Swedish 3 Network.
Obviously the phone is bind to the carrier and I rooted the device and unlocked the SIM and bam! I got the phone working.
I wanted to test 3G Services from Vodafone and before I jumped on to that part something in between caught my attention..
Frimware update with Gingerbread 2.3.4.
Initially when I got the phone it was on PDA:XWKF4 PHONE: NEKF2 CSC: HTSKF1 with Gingerbread 2.3.3 with lengthy 3 Network boot loader.
The firmware that interested me is PDA:XWKI4 PHONE:XXKI1 CSC:Multi with Gingerbread 2.3.4. I flashed and the phone and it is back into sound operating mode without any hassles.
Now I decided to jump on to 3G testing part. I called Vodafone Care and they advised me to send an SMS to 144 mentioning ACT 3G which I did. I got a confirmation saying that 3G is active.
However, here comes the problem part. Whenever I turn Data Network mode all I see is "E" with up and down arrows. And when I go to Phone Settings -> About Phone -> Status -> Network Type it says Edge.
Am I missing anything here? To add ambiguity I didn't test 3G with the previous version of firmware. One thing I'm sure about is 3G worked on this phone before on 3 Network.
Any inputs greatly appreciated..
Regards,
A.

Fixed: No 3G on Samsung Galaxy S2 Vodafone India
Well..
My problem resolved..
I flashed my SGS2 with below firmware combination:
PDA:ZSKI3 (Hong Kong)
PHONE:XXKI3 (Hong Kong)
CSC:INU(India Localization)
And now I have H+/3G whenever I turn on Data Network Mode.
At last.. I'm at peace.. Device fully functional..
Regards,
A.

Hello Arun,
I too am having issues connecting to the 3G network of Vodafone in India. My SGS2 is from AT&T and I was able to root it & unlock it and its works fine with the call and other stuff. I flashed the UnNmaed v1.0.4 ROM and its been pretty stable.
I looked up at the CSC code on my phone by dialing in *#272*<your IMEI># and its shows as ATT. Can you please enlighten me on how to change the CSC to INU like yours so that I can access the 3G network here.
Thanks

Hey,
I'm running an SG 2 I bought in Mumbai about 6 months ago with the following stock firmware -
PDA: KE8
Phone: KE2
CSC: INU
Gingerbread 2.3.3
I activated 3G on Vodafone a few days ago and they insist its active from their end. Been thru the manual settings routine and restarted the phone a dozen times, but it refuses to latch onto 3G. Data works, but only EDGE, like you've mentioned in your original post (the E with the 2 arrows).
Any suggestions how I can get on to 3G? This is frustrating, and I'm positively a noob as far as rooting/flashing ROMS etc goes.
Thanks!

Hi all,
First time poster, long time follower!!
I'm hoping someone can help me here because i have a real headache with my galaxy s2.
When i got it at Christmas everything was perfect. But two weeks later i suddenly lost my 3g. Phone works fine on 2g (except for the slow speed), but i contacted my carrier 3Ireland and they said everything is fine on their end. My APN is perfect, i've tried toggling airplane mode, entering codes, data package checks. You name it and i've tried it.
When i force my phone to select 3g it looses all signal and i have to restart my phone and quickly go back into settings to choose 2g or i will loose signal again.
This is the following on my phone.
Android version 2.3.5
Baseband version I9100XXKI4
Kernel Version [email protected] #2
Build number GINGERBREAD.XWKI8
I've being reading about modem/radios lately, is that just the baseband? Could that be my problem. I'm a noob at this kinda thing.I just want my 3g to come back.
All help is greatly appreciated. Look forward to hearing from you all.
Thanks.

need rom for i777
http://forum.xda-developers.com/showthread.php?p=26351829#post26351829
Hi all,
Please go through above link and help me to install a ROM for my phone..tell me which rom is the best to use in India..

LATAM Baseband

I have seen many threads talking about basebands, but I can't find anyone clearly explaining in which country/region a given baseband in supposed to work well, and where it doesn't.
I need a Gingerbread baseband for my Optimus 3D that will fully work in Latin America region, I'm afraid to get in trouble if I flash the european GB baseband I found in this forum, and loose some (or all) frequencies in my country.
Thanks in advance!

Me too. I'm in Canada and when I flashed the euro gb baseband I lost all connectivity.
Sent from my LG Optimus 3D

thegregulator said:
Me too. I'm in Canada and when I flashed the euro gb baseband I lost all connectivity.
Sent from my LG Optimus 3D
Click to expand...
Click to collapse
Same!
Also on Bell.

Audi2Audi said:
Same!
Also on Bell.
Click to expand...
Click to collapse
I know these boards have picked up a bit but it's kind of depressing considering all the action I see when I check up on the Sensation threads for my other phone. You'd think that because this phone is so sweet and comes completely unlocked there would be a lot of development going on.

Good Afternoon!
Just for fun I thought I would flash the recent GB KDZ file posted.
Still having the same issues registering on the network. :/
- Audi.

I flashed latest KDZ file for o3d even though i have a thrill 4g and 3g and all other things work great except i don't have 4g to test on this country

Audi2Audi said:
Good Afternoon!
Just for fun I thought I would flash the recent GB KDZ file posted.
Still having the same issues registering on the network. :/
- Audi.
Click to expand...
Click to collapse
I have no idea why it's not working. Both AT&T and Bell use the 850 and 1900mhz frequencies for their respective UMTS networks, but up in Canada we can't even get the phone to recognize our network. I'd be happy with 3G speeds for now, but that's not even possible. I wonder if AT&T uses other bands for 3G speeds as well?

My phone is a P920 of European origin and have had to put the 3G baseband of a Thrill. This in Froyo. Also the one I have worked p920h.
Until no one KDZ for America or get a baseband for this continent, you lose the 3g frequencies 850 and 1900.
Keep in mind that the baseband is independent of the rom, which means that after installing the baseband you can put any rom, whether European or American.
The Ginger there so far is European and therefore everything is lost that frequency.
Sorry for my language.
With Google Translator

Good Evening,
I wonder if a baseband from another Gingerbread device could be modified to work with the Optimus 3D. What about one from an Optimus 2X?
Just a thought...I wouldn't know where to begin!

just a quick question, my carrier works under 2100 Mhz I am located in Costa Rica, if I do put the euro version will the network not work....
---------- Post added at 08:28 PM ---------- Previous post was at 08:10 PM ----------
my question is since I do not live in Europe, what exactly euro open means

I'm using euro gb fw, and everything is working fine, although I have an edge icon instead of 3g, think it's cause of the region can't remember if it happened with my old x10.
this can be an issue unless it's showed like that when not having data enabled
edit:
I'm on a 3g network and I have edge enabled :S, we need LAM baseband Q_Q

I happen to be in a 1900 umts AT&T area, but it was too spotty and I went back to Froyo. Though for those of us who have to wait, I have a froyo custom kernel with init.d support below (thrillz) that I've been running on my p925 on the roadrunner rom.

Audi2Audi said:
Good Afternoon!
Just for fun I thought I would flash the recent GB KDZ file posted.
Still having the same issues registering on the network. :/
- Audi.
Click to expand...
Click to collapse
Good Evening!
I figured I would install the GB KDZ again.
For no apparent reason after the reboot I was registered on the network (Bell) and have had no problems as of yet (Only has been an hour or so).
I wish I had an answer as to why it worked this time.
I will keep you posted!
Thanks, Audi.

yeah I'm in Canada too and eagerly await some usable Gingerbread with fully working baseband.
Apparently Rogers is one of the last carriers to get on board with Gingerbread and is holding up LG.
ARRHHG!

crazycage said:
yeah I'm in Canada too and eagerly await some usable Gingerbread with fully working baseband.
Apparently Rogers is one of the last carriers to get on board with Gingerbread and is holding up LG.
ARRHHG!
Click to expand...
Click to collapse
Good Morning,
My device is a Rogers device unlocked and used on the Bell network.
After flashing the V21a Gingerbread KDZ a second time I am having no issues at all!
I wish I could tell you why it worked this time when the original baseband flash method and my first flash of the V21a KDZ both resulted in network issues.
I didn't do anything differently the second time I flashed the KDZ and was immediately registered on the network. I have had no issues since lastnight.
I will let you know if anything changes!
- Audi.

Hi Audi.
Thanks for the info. I guess since you got on the bell network, the rogers network should also work? Maybe not actually because rogers GSM. Is your connection Gsm Too? I am a bit nervous flashing kdz file. Its not standard zip flash through cwm is it?
I also worried about flashing baseband.
Do you know if I have made nandrroid backup of my 2.2 and need to restore, will my backup flash 2.2 baseband back on automatically?
Thanks .

I use the same gsm network as at&t think it's the same as rogers, I randomly get dc from the network but comes back fast.
I think you should be aware that maybe your 3g network won't work using euro open fw
i'm always on edge :S

alankstiyo said:
I use the same gsm network as at&t think it's the same as rogers, I randomly get dc from the network but comes back fast.
I think you should be aware that maybe your 3g network won't work using euro open fw
i'm always on edge :S
Click to expand...
Click to collapse
Hello!
When running speedtests I average between 2.5 and 5.5 Mbps (depending on the time of day). This is pretty much what I saw on Froyo. No complaints here!
Thanks, Audi.

Hi audi
How is your phone running lately? Any lockups, slowdowns, disconnects or anything? Full hardware working including wifi? Do you get 3g icon or edge?

crazycage said:
Hi audi
How is your phone running lately? Any lockups, slowdowns, disconnects or anything? Full hardware working including wifi? Do you get 3g icon or edge?
Click to expand...
Click to collapse
Good Evening,
The phone is running great. I currently have the Acura ROM installed.
Battery life is an incredible improvement!
The icon I have is "H" (so 3G not HSPA+ yet); and the speeds are as previously mentioned averaging between 2.5 Mbps and 5.5 Mbps depending on the time of day and signal strength.
No random disconnects; voice and data (3G/WIFI) work without issue.
Thanks, Audi.

Official Australian Optus GB rom available...kind of...

As some of you may know, my O3D was sent to LG service repairers Evertec to fix a broken power button. I asked them to fix just the power button under warranty - my phone was on froyo (i was on the leaked GB but because of ghost calls and data dropouts i reverted to froyo) and i just got my phone back today with a note saying the power button was fixed and they flashed my phone to "the latest firmware"
Lo and behold I booted to a fresh install of an official Optus GB rom - baseband 20b but perfect reception. no dropouts or ghost calls. i think it may be rom related.... i do have some bloatware but at least i have no reception/data issues
im not sure if this rom is available ota or for download but the service guys seem happy to flash it on repaired phones!

yes,20b is online,but still not rootable

I had 20b installed before but it wasnt the Australian Optus rom... Whatever rom that was, it always gave me grief....now no problems at all. in fact optus even sent me a message with settings in it - i havent activated it as yet as my reception is currently working perfectly fine without it.

Guys, please be aware that LG version numbers ARE NOT CONSISTENT, at least not the way we think of it. European v20b is not the same as India v20b.
In fact, each region has it´s own version branch, so you can perfectly have, for example, Romenia v21a with the same baseband of Croatia v20b.
So, don´t be fooled by equal version numbers: you can only compare version numbers when comparing software for the same region. If you cross regions when comparing, you will get it all wrong.

shredman09 said:
I had 20b installed before but it wasnt the Australian Optus rom... Whatever rom that was, it always gave me grief....now no problems at all. in fact optus even sent me a message with settings in it - i havent activated it as yet as my reception is currently working perfectly fine without it.
Click to expand...
Click to collapse
I installed the same rom as you, 20B Optus, took my external SD out and formatted the phone to factory, for one day the phone worked well then the problems started as before 3G getting stuck can't go to airplane mode I had to restart the phone, after it happened over 4 times I installed froyo. Same thing exactly happened to my friends O3D, Evertec changed the board on my phone when I took the phone for service for the random rebooting problem, now it is very hard to sell the phone if I tell the potential buyers the phone was serviced. So I am stuck with it.
I use it like Thiaz as a media device now and I use My Iphone 4 as my main phone.
what is the use of a phone if it can't be used as a phone?
Sent from my LG-P925 using xda premium

I noticed you're posting from a 925... Mines a 920.... I never had a random reboot and I've installed the Acura and Thiaz roms - used stock roms, OC'd and the only GB rom working properly is this one....
I'll keep my fingers crossed that it stays this way....
Admittedly I never had any issues on Froyo - If this rom does play up I'll downgrade asap. I won't miss the GB features all that much

shredman09 said:
I noticed you're posting from a 925... Mines a 920.... I never had a random reboot and I've installed the Acura and Thiaz roms - used stock roms, OC'd and the only GB rom working properly is this one....
I'll keep my fingers crossed that it stays this way....
Admittedly I never had any issues on Froyo - If this rom does play up I'll downgrade asap. I won't miss the GB features all that much
Click to expand...
Click to collapse
You noted correctly, but my one is an Optus 920, I was so desperate so I am using Froyo Baseband and the CM GB for the 925, this was my last resort, the phone works very quick with no lag, and I charge once a day, hdmi does not work, and I can't view photos in 3D, but this phone is good for playing games, that is all I use it for.

I have intalled the update to my optus lg optimus 3d thought lg update tool, i have had 2 missed calls i did not receve that i know of and really bad battery life. i might have to do a factory reset if this does not fix i will not be happy.......back to lg

woohoo70 said:
I have intalled the update to my optus lg optimus 3d thought lg update tool, i have had 2 missed calls i did not receve that i know of and really bad battery life. i might have to do a factory reset if this does not fix i will not be happy.......back to lg
Click to expand...
Click to collapse
Good Luck mate, they will tell you that you are the only one in the world that is having this problem, all the staff at the LG service center (evertech) are using GB without any issues what so ever.
you will be told (you are special)

Ok... Here's the weird thing - I know people seem to be having problems using this rom... I am not one of them (so far) I had issues on every other GB rom but this one. Maybe it's related to signal strength, carrier specific settings or something else. I really can't explain my lack of issues. I do set my phone to 3G only - as I don't want it jumping from 2G to 3G but that's it as far as any phone changes.
*I am using the Optus GB rom on Virgin Australia (they piggyback on Optus - slightly different settings but same network).

shredman09 said:
Ok... Here's the weird thing - I know people seem to be having problems using this rom... I am not one of them (so far) I had issues on every other GB rom but this one. Maybe it's related to signal strength, carrier specific settings or something else. I really can't explain my lack of issues. I do set my phone to 3G only - as I don't want it jumping from 2G to 3G but that's it as far as any phone changes.
*I am using the Optus GB rom on Virgin Australia (they piggyback on Optus - slightly different settings but same network).
Click to expand...
Click to collapse
Please keep us posted, I am on Vodafone and the signal is shocking where I live (inner west) Vodafone will be updating the network next month.
but I do not have any issues with my iphone at all, and when I go to my other house (castle hill) where the signal is perfect -50 db I still get the baseband crashing.
I used the phone for 2 weeks back in November when they released the Europe Open before I stated getting complaints that I am not answering Phone calls and I missed out on couple Jobs worth over a grand!!!

Quick update.... 1 week later and still no issues - strange but true! No missed calls (that I'm aware of and no loss of data... Perfect reception... For virgin mobile customers on Optus GB rom - no issues.
GPS lock perfect - regaining signal after airplane mode perfect, over 400MB in data in a week and no loss of reception, perfect... This is the only rom that works for me on GB without ghost calls, internal reorganizing crap or loss of reception/data
I can't root and have some bloatware but I can live with that...
Will update if things go bad but for now I'm VERY happy!

Thank you so much for getting back to us, I will be trying the 20A Australia again, this time around, I will take the SD card out, will fully format the phone and only install couple important apps that I need, I am doubtful but at this stage I am willing to try anything. will try the 20A for 3 days and will report back.
Edit:
Day one: No Freezing and no missed calls at all.

[Q]Mobile network GSM Problem

Okay i just get this phone, and all at the start was wow , and OHHHH. Te problem is that the phone isnt a phone.....because i cant never conect to the gsm network.
The model is an international version unlocked (SH26H)
Android version 4.0.4
Htc sense 4.1
Software number 2.17.707.3
Base band 2.1204.135.20
Kernel 2.6.39.4-g12e12ac
[email protected]#1
I cant just get an stable gsm conexion, and sometimes the cell phone accepted the carrier when it was turned on/off the plane option or when the device was re-started.
I am from Mexico D srry for my bad english) and i am using a microsim of the company Telcel who use a gsm network . I really dont know how to fix this.
Is this a software or a hardware trouble?. Another thing is that if a get signal and then i make a call i dont have any trouble, and i dont lost the signal in the duration of the call (no signal lost), the same if i open a webpage and i am using the data conexion 3g :s.
Thx a lot, because my english is so bad i let a video where you can see the problem.
i cant put links so i put the last string of the you tube address
watch?v=k1BPKPM5iXk&feature=youtu.be
Thx for your time.

[Q] borked or wrong radio

Hi all people, some time ago i created a thread about this same issue, now that i tested some radios from the firmware thread (flasehd them through moto-fastboot) ,tested retail uae, asia and asia ops, they all get to same problem cannot get more than 2 bars on my signal, and almost all the time im on emergency call only mode, this bothers me because i have an antena like 2 blocks away ,tested signal on my p500 and my atrix 4g and both of them get full reception, i must say that its not a populated area, so i started thinking about maybe i have issues with the radio hw itself, or maybe just none of the radios ive tested is the right one? Im form chile, thats south america carrier claro chile running scv7 leak #1 rom ,is there a way to "powerup" radio's reception ? Or i need to get latam radio firmware (havent found it) ?
Thanks in advance
sent from the gray stuff inside my skull

demonoid phenomenom said:
Hi all people, some time ago i created a thread about this same issue, now that i tested some radios from the firmware thread (flasehd them through moto-fastboot) ,tested retail uae, asia and asia ops, they all get to same problem cannot get more than 2 bars on my signal, and almost all the time im on emergency call only mode, this bothers me because i have an antena like 2 blocks away ,tested signal on my p500 and my atrix 4g and both of them get full reception, i must say that its not a populated area, so i started thinking about maybe i have issues with the radio hw itself, or maybe just none of the radios ive tested is the right one? Im form chile, thats south america carrier claro chile running scv7 leak #1 rom ,is there a way to "powerup" radio's reception ? Or i need to get latam radio firmware (havent found it) ?
Thanks in advance
sent from the gray stuff inside my skull
Click to expand...
Click to collapse
Are you sure your sim is correct? I had a friend who had a 3G phone, they upgraded and got a 4G phone and put the old sim from the 3G into the 4G phone. They had the same problem you're describing. Poor reception, constantly switching into 'emergency call mode', etc. They finally got a 4G sim and all was well. You might dial in *#*#4636#*#* and check your preferred network to make sure it isn't on anything funky like GSM only. Also you can check your signal strength and service connections from there.

41rw4lk said:
Are you sure your sim is correct? I had a friend who had a 3G phone, they upgraded and got a 4G phone and put the old sim from the 3G into the 4G phone. They had the same problem you're describing. Poor reception, constantly switching into 'emergency call mode', etc. They finally got a 4G sim and all was well. You might dial in *#*#4636#*#* and check your preferred network to make sure it isn't on anything funky like GSM only. Also you can check your signal strength and service connections from there.
Click to expand...
Click to collapse
The sim came along with an razr i phone (xt 890) is a micro sim, but i dont think thats the problem, also *#*#4636#*#* dosnt work for me it shows nothing after dial it it just disappear when the last * is dialed
sent from the gray stuff inside my skull

demonoid phenomenom said:
The sim came along with an razr i phone (xt 890) is a micro sim, but i dont think thats the problem, also *#*#4636#*#* dosnt work for me it shows nothing after dial it it just disappear when the last * is dialed
sent from the gray stuff inside my skull
Click to expand...
Click to collapse
I assume you're on stock ICS? If so you can boot into recovery and select BP Tools <-- not sure if that the exact name, but it's close. Either way, when you reboot you'll have a new app (can't remember the name either, but you'll see it), it's a debug app and it might let you see your mobile network info similar to the dial code. Once you reboot again, the app will be gone, and you'll be back in normal mode. I'm on CM10 and have been for awhile, so I don't have ICS in front of me, I apologize for the vague info, but hopefully it helps.

Im on scv7, cannot find bp tools anywhere ,also would be great if someone point me out to a GB fxz firmware
Edit: just found it ,dunno if its temporary (stability) or i got it, extracted radio.img from jimbridgam's return to gb from ics fxz script utility ,will test tomorrow morning while on the road and also post results if anyone is having the same problem i was
edit2: worked like a charm ,no more low signal issues

demonoid phenomenom said:
Im on scv7, cannot find bp tools anywhere ,also would be great if someone point me out to a GB fxz firmware
Edit: just found it ,dunno if its temporary (stability) or i got it, extracted radio.img from jimbridgam's return to gb from ics fxz script utility ,will test tomorrow morning while on the road and also post results if anyone is having the same problem i was
edit2: worked like a charm ,no more low signal issues
Click to expand...
Click to collapse
Im on stock ICS rooted at&t and out off no where i have no signal and emergency calls only for the past few days. ive tried factory reset and still same problem. it was working fine all these days some please help i cant text or make any calls

morphfxf said:
Im on stock ICS rooted at&t and out off no where i have no signal and emergency calls only for the past few days. ive tried factory reset and still same problem. it was working fine all these days some please help i cant text or make any calls
Click to expand...
Click to collapse
Go to settings > mobile networks > Access Point Names - then hit the menu button and choose Reset to Default

morphfxf said:
Im on stock ICS rooted at&t and out off no where i have no signal and emergency calls only for the past few days. ive tried factory reset and still same problem. it was working fine all these days some please help i cant text or make any calls
Click to expand...
Click to collapse
use jimbridgman's return to gb from ics utility (it's on dev section) then download the file, op3n with winrar, extract radio.img, then flash through moto fastboot (type moto-fastboot xda developers on google and it will show up an atrix og forum's thread ) have it running, then replace ics radio with gingerbread one (google arround on how to do this) type moto-fastboot flash radio radio.img and you are done
from the gray stuff inside my skull