[Q] Changing ROM on a network barred phone - Galaxy S III Q&A, Help & Troubleshooting

Hello. I had a quick search around but could not find a definitive answer to my question.
I have just purchased a Samsung I9305 that was imei locked through the Australian carrier Optus.
The phone had been lost so the owner rang and reported such.
When he found the phone in his wet weather gear a week later (It was for his business) He obviously could no longer use it
I purchased the phone from him after confirming the details. There is a company here that can unlock the imei and through talks with them I can unlock the imei for other carriers than Optus and other carriers on that network. I have no problem with this as Optus do not have the service and coverage I need So I am with Telstra.
I have upgraded roms and unlocked my S2 a few times
Now that the details are out of the way, my question is this:
I HATE phones that have all the carrier bloat on them. Can I change the ROM on this phone without problems (I have not looked yet but want an Australian Rom not associated with any carrier), or will the Imei lock come back if I do. I do not want to brick the phone or lock it from being used. I would go with a Telstra rom if I have to or at the very least root the phone and remove all traces of the Optus bloat
Thanks for any help in advance...and really hope that someone does not immediately link to another post I missed due to poor search technique

Related

SIMs not finding phone network?

Hi all...
I recently picked up a cheap UK Orange SPV M600 (G4 Model) from eBay, and I've been able to follow all the instructions on here to try a few different ROMs already
The problem I have is that everything works perfectly, except for the phone!
It was (obviously) originally on Orange, but I used LokiWiz to get the SIM unlock code, and then entered that successfully with an O2 SIM in the phone... but now it won't work with any SIM apart from a Greek Vodafone one which I had lying around.
I've tried various Orange and O2 SIMS, and none of them work apart from the Greek Vodafone one
All the SIMs I've tried are recognised by the SIM Manager tool, and I can view and edit the sim contacts etc... but all I get for the phone signal is "searching...", and it never locks on to O2 or Orange... only Vodafone.
Any ideas or suggestions please?
[edit]Just realised that I didn't say i HAVE already tried all of the different radio roms available on here, and none make any difference
Another question?
OK - no replies to my first post, so I guess nobody has any suggestions, but I've done a little more reading myself and I now wonder if the M600 has been previously reported as stolen or lost and is now network blocked by it's IMEI??
As far as I can tell, O2 and Orange will refuse to connect an IMEI blocked phone to the network at all, while Vodafone will allow it to connect, but won't allow you to make or receive calls... which does seem to be what's happening with my old Greek vodafone SIM installed.
Can anyone confirm if my understanding of IMEI blocking is correct, and can anyone tell me how I can find out if a specific IMEI is on the UK blocked list please?
As I said, I bought this through eBay recently, so maybe I could still get my money back if it's been stolen and then sold on through eBay, but I guess I'd need to know that's definitely what's happened before I could try that, so ANY help would be much appreciated.
Bad netiquette to reply to my own OP I know, but I thought that would be better than just editing my original... sorry if anyone gets annoyed at that.

[Q] Samsung Galaxy S2 - Cannot make calls

Hi People
I recently bought a second hand Samsung Galaxy S2 locked to T-Mobile (UK).
I unlocked it (Chainfire Galaxy S2 Sim unlock utility did not work) using Helroz unlock utility. Installed O2 Sim, phone booted fine. However I cannot make calls with any SIM inserted into the phone.
After much research and many forums later I put android 2.3.3 on the phone - mainly because I only had a single CSC Code (TMU - T-Mobile UK ?), installing Andriod 2.3.3 allowed me to choose a generic CSC Code XEU (*#272*<EMEI>#). This did not help still cannot make calls.
I decided to install Android 2.3.4 samfirmware - still cannot make calls.
I bought a T-Mobile Sim and inserted into the phone the name of the network (T-Mobile) is now shown (previously it said "Emergency Calls Only") but still cannot make calls. I have spoken to T-Mobile and they have assured me that this phone is not barred from their network.
Currently have Android 2.3.5 installed (samfirmware) - still cannot make calls and cannot send texts either.
Any help would be much appreciated - but please speak slow as I am a noob!
I apologise if this issue has been dealt with in another thread.
The plot thickens
I spent some time on the phone with T-Mobile yesterday and this morning my phone CAN make T-Mobile calls.
If I put *#simlock# into the dialler it tells me that the
Network Lock [OFF]
Network Subset Lock [OFF]
SP Lock [OFF]
CP Lock [OFF]
Therefore I assume I should be able to use this phone with other networks, but I cannot use it with Vodaphone or O2.
The CSC code is XEU (*#272*<EMEI>#)
Any help much appreciated.
Help needed
Any help with the above problem would be very much appreciated
having the same issue here tried *#simlock# and everything appeard just like you mentioned did you find a fix for this Im trying to get my gfs phone to connect to giffgaff
Dont like the sound of that. Am seriously looking at getting an S2 on a 24 month contract this week. I dont normally bother with contracts and usually buy factory unlocked, but on seeming to read these were pretty easy to unlock, I figured I had nothing to lose.
Now not so sure. Have you managed to solve this?
pewdle said:
Dont like the sound of that. Am seriously looking at getting an S2 on a 24 month contract this week. I dont normally bother with contracts and usually buy factory unlocked, but on seeming to read these were pretty easy to unlock, I figured I had nothing to lose.
Now not so sure. Have you managed to solve this?
Click to expand...
Click to collapse
My GF bought this through ebay and its looking like its been barred from what the replys on giffgaff are suggesting, plus from googling Id say me and the OP have been the only people that have had this issue so far...The SG2 has been exceptionally reliable so far for myself plus do some shopping around and get a 12 or 18 month contract as 24 months are just overkill

Issues getting SGH-I747m (Rogers) unlocked

tried Cellunlock.net and they were unable to get the unlock code saying it was not in the Rogers Database, Called Rogers and even they said the IMEI was not in their system.
Phone is from Rogers, want to unlock it to use on Virgin Mobile Canada, but unable to do it.
any ideas on where I can go from here to get this phone to work on my Carrier.
anything I can do via Root?
hmm the phone is not in their database? that sounds super odd, are you sure the phone is rogers? like sure? does it have the rogers crappy bloatware installed? I suppose you dont really know if the phone is rogers unless you actually bought it from them. (ie someone could have just installed rogers rom on it if you bought it off someone)
Ive unlocked s iii's from like every major carrier (telus, bell , rogers) never had a problem. You might want to try getting the code off someone on ebay too.
edit- also as far as my knowledge there is no root free unlock like there was on the s i and sii phones. so you are stuck with the code (for now anyway)
good luck
It was for sure a rogers phone. Ended up going to a different site and they unlocked the phone for me.
thanks for your help

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!

Bought Galaxy s3, turns out its blacklisted

Hey I bought a galaxy s3 off someone at university, it has the optus logo when booting up and I was told it was a optus phone, I got a new optus sim put it in and its saying the handset has been locked by optus, so its been stolen i guess and I guess the seller wont give me my money back... So am i able to unlock the phone or is it screwed or can i unlock the phone from the optus network and use another phone provider?
Contact the network and ask them if they will unlock it for you. Blacklisted IMEI is something entirely different from sim lock, nothing you can do in that case (or even ask about).
Sent from my GT-I9300 using Tapatalk

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