S2 i9100 wont register on vodafone uk network - Galaxy S II Q&A, Help & Troubleshooting

got given an S2 to use for work but it wont register on uk vodafone network, there is a signal, its on pay as you go sim, data works fine on 3g,
it is sim unlocked and the imei checks out unblocked. Stock 4.1.2 rom
it just wont register, cant make calls or text.
its strange that i can use the data, web email but not calls or text just, tells me not registered on network.
sim works ok on my htc one.
any ideas, thanks.
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[Q] data not turning on

hi there
my gf bought a htc legend when we were living in australia on vodafone network and all worked fine.we have just come back to the uk and have put a new sim in on 3 network.it will make calls text and conect to wifi but will not allow data traffic it just says connecting on the mobile data tab but never does.the sim card allows data has i have tried it in my phone.
any ideas of what i need to do,is it because its from australia,will it work over in the uk,should it,or do i need to do something to the phone to allow data,
any help would be good.
thanks
is the phone unlocked? can it run another sim other then the vodafone one?
or in youre new location youre still on vodafone network?
most likely the phone doesn`t know how to configure the apn for the data
google your network`s android apn and go to settings wireless networks mobice connection set apn create a new one or change the existing one while the phones mobile connection is turned on
Yep, I can confirm this problem may be fixed by identifying and filling in your APN for your network.
I had the same problem, as well, this fixed it.
Thanks allot for the help guys, done it and it works fine now.
Sent from my X10 using XDA App

[Q] Can't Make/Recieved Calls or SMS

Hi Guys,
My friend has asked me for some help with his x10i.
He's purchased it from a market, and it was locked to T-mobile.
Its since been network unlocked by a local store, in theory to allow use of any network sim card.
However when you boot the phone with a sim card in, it comes up on the notification bar
"Phone Not Allowed MM#6"
It will show the little signal bar full.
Checking phone status it shows
Service state - In service
Mobile Network State Disconnected.
It appears to register onto a network, be that orange o2 ect.
But we are unable to make outbound calls, receive calls.
Yet browsing via gprs is working.
I have checked the IMEI with the T mobile. They advised that the phone is clean and not barred.
I have Tried different Sim cards i know are working.
I have Flashed the Firmware back to Stock, Tried the Latest Firm and a few other different combinations.
I am now Stuck.
Any suggestions?
Thank you
Bump......?
Tiggerbits said:
Bump......?
Click to expand...
Click to collapse
did u try calling the network provider your sim card is with? they usually may have to program the network with imei number of the phone
u can also try going to network settings, search networks and choose the one u r on.

[Q] Unlocked Koodoo SGS2 no data on Fido

Hi,
Not sure if this has been posted, but I did a search and was not able to find any thread on this.
I have a Koodoo Samsung Galaxy S2 (SGH T989D) that I rooted and unlocked. When I put my Fido SIMin, I can only make voice calls and no data connection, none of my cellular data app./browser can connect to the internet, WIFI is working fine. I used both the APN drawn from the SIM card and manually set them according to the Fido forum, and both doesn't seem to work.
I've enable Data Roaming and still no luck, has anyone sucessfully unlock a Koodoo Samsung Galaxy S2 and got the data to work on the Fido network?
Any help would be much appreciated!!
Thanks in advance.
did you talk to your provider, they may have enable settings on their server.
oweakslhimself
Cosmic Blue said:
did you talk to your provider, they may have enable settings on their server.
Click to expand...
Click to collapse
Yes, I talked to Fido tech. support and everything is set propertly. I am still able to connect to the cellular data using my old iPhone 4 when I put my Fido SIM in.
Thanks
Like to add that this is a Samsung Galaxy SII x

[Q] Unlocking Galaxy Note 2 to use Data on Intl. Sim

Hello all,
I have been unable to find a clear answer to this question--I hope you will bear with me:
I have a Galaxy Note 2 from Verizon running Android 4.3. Before leaving for a trip to India this week I confirmed with Verizon customer service that the phone was unlocked. In Delhi I purchased a local sim card (from Airtel) and inserted it. Voice and text work perfectly but the data plan does not. The sim works when inserted into other phones but not in this one. The Airtel techs cannot figure it out. I have access to the APN settings under the Mobile Networks menu and have edited the Name, APN, Server, APN type etc. as indicated by Airtel but no dice. When I go to "Select" it finds Airtel after some spinning and when I select Airtel from "Network Operators" I get a "registered on network" message but still can't get data.
Is it the case that Verizon locks the data on this phone? Is there any way for me to unlock this from India? I don't really know anything about rooting phones.
Any help appreciated!
I also use the same handset in India and use other operator sim...no trouble so far in data
Sent from my SCH-I605 using XDA Premium 4 mobile app

Problem with network and SMS

Hi, i have a little problem with my phone, since 2 weeks i cant send or recive sms and i thought that was a problem of the vodafone, but when i insert the sim in another phone, i recive all messages. I decided to try some settings and i discovered that the phone cant hook up the 3G and 2G signal but only the 4G. I sent the phone in assistence, they did a restore of the firmware but the situation is the same. So, when i try to set the operator manually, i find Vodafone 2G, 3G and 4G, so i think the network card work properly, i think that is a problem of the firmware. I can do something without to lose the warranty?

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