[Q] Please some Advice...Unable to make or recieve calls - Galaxy S II Q&A, Help & Troubleshooting

hi i really hope someone can give me some advice,ill get straight to it.....
i recently bought my samsung galaxy s2 from ebay,,it was on o2 firmware but the phone was unlocked,i rooted the phone and installed a custom rom,,after a couple days use i changed the sim card and found that although i have 3g reception and can access internet,,i cant make or recieve calls my network has checked and theres no problem there,,and 02 said the phone is definately not locked,,but i cant call out or message and now i cant get the phone to accept the original sim which was working i hope this makes sense and someone can hopefully give me some advice Please
Thamks in Advance

What does it say when you try to call someone?

the phone disconnects immediately with call ended message, when i try to call the phone it says this number is not accepting calls at this moment although virgin say there is nothing wrong,,i also contacted the original operator o2 who aslo say they dont see any problem with the handset,,i cant connect to any other networks at all now,,just get the cant connect to network message try later,,and the only network i do get is virgin the phone says im connected i can access internet through 3g but just cant make or recieve calls or messages,,ive tried flashing original firmware through odin but to no avail,,im gutted only had phone 2weeks and cant make callls,,and as i bought through ebay i have no warranty

Please use the Q&A Forum for questions Thanks
Moving to Q&A

Try to reflash your SGSII. Its fantastic phone but little tricky.

Why wouldn't you have a warranty? You got original receipts? You sure you flashed everything properly?
You might need to send it off for repair.

since it was bought on ebay i dont have receipts,,i have a feeling it may have been disconnected by the o2 network.....in the process of dealing with the seller (fingers crossed)

Related

[q] full signal....but cannot make or receive calls, send or receive text :( help me

Hi guys:
1st post here, coz I just bought myself a X10 mini today.
Brillant little phone I have to say, but I am getting a bit annoyed with 1 problem that I have.
I put in my sim card in and it got full signal from either T-mobile or Virgin. However when I tried to make calls, it will just say call ended. Then when I try to send a text, it will never go to the person I am sending to. I cant receive calls or text either. Is there a problem with the phone? because I put the same sim card in my galaxy, and it worked fine. :S
P.s. I am not sure if its the rom problem but I updated to the 2.1 straight away after I got the phone.
Thanks in advance guys.
Please HELP!!
try to re-flash the phone. this happened to me before, and i just re-flashed the phone through pc companion. choose repair. if the problem persist, try a different sim. or it may already be a hardware problem.
Hi thanks for the reply
done everything you suggested. But still can't make any calls. so does that mean a hardware problem? but what would it be?
Thanks

[Q] Optimus Sol E730 Full Signal No Call

Ok still a noob at this so go easy on me.
so flash a rom but didnt like it and had to reflash my original firware. problem 1. didnt know it so i used the lg too putting in model number and imei and it told me i need V10B_00 (vodafone spain)
Flashed with KDZ no problems, Hard reset phone to exit boot loop booted to phone fine, read sim asked for pin fine, connected to network full bars fine, connect to 3g no problem all is working, EXCEPT! go to make a call goes direct to call ended. people cant call me either.
sim works fine in another phone so its not the sim or network.
can send receive texts fine its just the calls
tried flashing radio v10b zip wouldnt even recognise the sim
flashed v10a.zip recognises sim but again no calls
someone please help me im going loopy and i promise i will buy you a pizza
The newest version is v10f. I think. I'm on the e739, the gsm version of your phone. Your service provider is Vodafone?
Sent from my 8-Core LG Galaxy S7
Alphaneus said:
The newest version is v10f. I think. I'm on the e739, the gsm version of your phone. Your service provider is Vodafone?
Sent from my 8-Core LG Galaxy S7
Click to expand...
Click to collapse
yeah, vodafone spain. i have searched through all the internet and there is nothing out there about this scenario. like i said texting HSDPA all fine.. but go to make a call and as soon as you hit call you get call ended screen. phones not blacklisted or anything and its since i flashed V10b_00
will download and flash v10f and let you know
carlgrancan said:
yeah, vodafone spain. i have searched through all the internet and there is nothing out there about this scenario. like i said texting HSDPA all fine.. but go to make a call and as soon as you hit call you get call ended screen. phones not blacklisted or anything and its since i flashed V10b_00
will download and flash v10f and let you know
Click to expand...
Click to collapse
Ok so, flashed with 10f,
same problem, i can text i can call emergency i can access internet but no normal calls and cant receive
No idea. Sorry.
Sent from my 8-Core LG Galaxy S7

UK samsung galaxy s2 not registered on network

Hi this is my first post was wondering if anyone could help been lookin all over the net for the last few days tried all types of re-sets and nothing has worked......i have been given by my father an S2 which was meant to be sent back to O2 in the UK but he forgot to do it and ended up keeping it but they seem to have blocked it? when i put my O2 sim card into the phone and try to make a call i get Not Registered On Network... i have been told that i may need to reboot from a new rom but i dont have any idea what that is hahaha please help really want to use the phone thanks

In need of some assistance:I9300GSMH

Hello, First post here on Xda, Nice to meet you all.
I'm looking for some serious help with my new samsung galaxy S3GSMH International version.
Long story short, My girlfriend lives in germany, While on holiday there I purchased a samsung galaxy s3i9300 and was told it will work in any region any network due to being factory unlocked.
In germany I was using a sim card from VIVA mobile or something of the like and it worked fine.
After I returned home, I switched in my UK Vodafone sim card, A message then popped up saying, Please select sim service:vodafone UK/Vodafone UK prepaid.
So I chose Vodafone UK and clicked on OK, I thought everything was fine untill i tried to make a call and got, Not registered on network.
Now I have searched for days in all types of threads to get this fixed, I have tried flashing stock firmware with odin/emergency recovery Via Kies/Flashing modems/flashing patched modems/patched kernals/Ariza patch/Ariza patch Jb.
My Imei is fine and matches under the battery, The S/N also matches under the battery.
So I just don't understand it, If it asked me to choose which sim service surely that means it has some type of connection with the network? I have full signal bars too.
Is there anything else i need to do to get this working? Because I am at a loss, And I obviously can't take it back due to the shop being in germany
Any help or input is extremely appreciated!

Mobile network not available

Hi folks,
This is my first post so if I've done anything wrong please let me know. I think I'm experiencing quite a unique issue.
I have a Samsung Galaxy Nexus (Maguro) phone on O2-UK.
I'll try and summarise my issue
Currently I cannot make calls or send messages but can use 3g on the device.
When I put my girlfriends EE sim into the phone I can make calls and send texts
When I went to France with my O2 sim I could make calls and send texts
When I put my O2 sim into another device I can make calls and send texts
Whenever I try to make a call it states 'mobile network is unavailable' and when I try to connect to O2-UK in settings it states 'cannot connect at this time. please try again later'. The phone states emergency calls only but on the status bar it looks like it has a network connection and 3g can be used.
I've tried phoning O2 to setup the APN settings
It all started when I upgraded to CM12.1 from CM11. Although I have tried downgrading to the previous version and I am still having the same issue. I've tried wiping everything on the phone numerous times.
Is there anything else I can try, something I can wipe or a setting I can change?
Any help would be much appreciated!
If I can't sort it I'll grudgingly have to buy a new phone which is annoying because it only seems to have an issue with O2 in the UK
I had this when I upgraded from cm11 to cm13, all I did was turn on airplane mode for 10 seconds and switch it back on.
I wish it was that easy for me!
It seems that my phone has been blocked on my network (O2) since updating. Is there any way that an IMEI number can be involuntary changed during a root and installation of ROMs/radios?
I know this may be a very stupid question but my provider seems to think the IMEI number is strange, even though I purchased the phone from them in November 2011.
When I phone O2 their system says my IMEI number is different from when I type in *#06#.
Has anyone experienced this?
wattereus said:
I wish it was that easy for me!
It seems that my phone has been blocked on my network (O2) since updating. Is there any way that an IMEI number can be involuntary changed during a root and installation of ROMs/radios?
I know this may be a very stupid question but my provider seems to think the IMEI number is strange, even though I purchased the phone from them in November 2011.
Click to expand...
Click to collapse
Hmmm, you stated that the card worked in other phones right? I am pretty sure you stated that other cards also worked so to be honest, this is something you have to phone them up seriously about.
Yes when I put my girlfriends EE sim into the phone it works fone. Also when I was in France my sim card worked fine, I'm guessing because it was using other networks.
It gets even stranger, when I type *#06# into my phone I get an IMEI number. I used an online website to check the status of the IMEI number and it stated that my Samsung Galaxy Nexus (which I've owned from new) is actually an iPhone....
wattereus said:
It gets even stranger, when I type *#06# into my phone I get an IMEI number. I used an online website to check the status of the IMEI number and it stated that my Samsung Galaxy Nexus (which I've owned from new) is actually an iPhone....
Click to expand...
Click to collapse
I think we just found the source of our (well technically, your problem) problem. Now, do you have a nandroid backup or something that you are willing to restore to? I will look online for how to restore the imei.

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