Radio's dead... help? - Nexus One General

I recently flashed NAZtech Desire ROM and now the phone does not connect to a network. I just get the "emergency calls only" message, but that (999) doesn't work either.
The APN settings are in and selected, but when I try to select a network I get a message that says this SIM cannot connect to this network, even trying to select automatically gives the same result.
I've tried multiple ROMs and multiple SIMs and yes, I have tried doing a Nandroid restore yet still can't connect to a network.
I've tried flashing a new Radio image and reflashing cyanogen's ROM but that still doesn't work.
N.B. This did not happen imediately after flash, it happened over night as I slept. I woke up one morning and it did not connect, I tried moving to multiple different basestations in different areas with no result.

Nandroid?
The good news is that your radio isn't fully dead, bricking your phone.

This is probably not very helpful (though I don’t think anyone is going to be able to be really), but this sounds like what happens when you IMEI is blocked or invalid. The networks won’t let it connect.
Its happened to me on a pervious phone. Unlocking it caused the IMEI to be set to all 0s. Had reset it before it would connect.
Would also fit as you say it didn’t happen straight after the flash. Maybe it was unconnected?
Any chance this has happened? Ring your network see if they can tell you if its blocked (maybe a mistake when someone reported a missing phone...?) Sorry as I say probably not much help.

BigDamHero said:
This is probably not very helpful (though I don’t think anyone is going to be able to be really), but this sounds like what happens when you IMEI is blocked or invalid. The networks won’t let it connect.
Its happened to me on a pervious phone. Unlocking it caused the IMEI to be set to all 0s. Had reset it before it would connect.
Would also fit as you say it didn’t happen straight after the flash. Maybe it was unconnected?
Any chance this has happened? Ring your network see if they can tell you if its blocked (maybe a mistake when someone reported a missing phone...?) Sorry as I say probably not much help.
Click to expand...
Click to collapse
What would I see if it was blocked? if I enter *#06# It just shows my IMEI number. My phone isn't tied to a contract and I've tried different SIMs so how do I check/or get it unlocked.

Did you try another active sim card, or your sim in another phone? I had this same problem and it was just a dead sim card, went to Tmo and they gave me a new sim card for free, popped it in and it connected in a couple seconds.

ikon8 said:
Did you try another active sim card, or your sim in another phone? I had this same problem and it was just a dead sim card, went to Tmo and they gave me a new sim card for free, popped it in and it connected in a couple seconds.
Click to expand...
Click to collapse
I'm currently using the Three UK SIM I usually use for my N1 in my old Samsung Omnia, and I've tried another o2 (untied)* contract SIM and another active SIM.
*I know it's unlocked because it was bought for the Xperia X1 and used in two other phones afterwards (within the contract duration which is due to end later this year) - G1 and iPhone 3GS

Antiskunk said:
What would I see if it was blocked? if I enter *#06# It just shows my IMEI number. My phone isn't tied to a contract and I've tried different SIMs so how do I check/or get it unlocked.
Click to expand...
Click to collapse
You would see what you are seeing (you can see the networks but not connect to them). My MUCH older phone that I referred to did much as yours is doing. There was only the option to make emergency calls.
Its possible to report a phone stolen (by its IMEI number) and ALL the networks will block that IMEI number from connecting. Its designed to combat phone theft. Its the same reason that it is illegal to change a phone's IMEI number.
I doubt this is the case (unless you can think of a reason why it might have happened). But maybe ring your network just in case and ask them to check if your IMEI is blocked.

Related

"Unknown SIM Error" on MDA Pro on T-Mobile

Hi,
I just bought an MDA Pro direct from T-Mobile's website and it was delivered today. Unfortunately, while the PDA side of things works perfectly, it won't connect to T-Mobile at all.
On the 'T-Mobile' start up screen it displays the text 'No GSM' above what I think must be version information.
It reports 'no service' in the phone status bubble, and SIM Manager says: "Only emergency service calls can be made without a PIN" When I enter the PIN I was given, nothing happens. I think it goes into 'change PIN mode' because then I can put two more 4-digit numbers in (it doesn't matter which!) and then it says "Unknown PIN Status. Unknown PIN Error"
Unfortunately it isn't just a SIM problem as the SIM works in my O2 P800.
I've spoken with T-Mobile and they want to swap the handset, which would be fine if they had any in stock! I'm wondering if anyone here had any advice on ways I could try fixing this short of waiting for them to get in touch and tell me they have another handset I can try.
Any suggestions would be much appreciated!
Hi,
what is your local provider ? Is it T-Mobile, Vodafone, E-plus or O2 ?
The mda pro only works with a t-mobile sim !
- Superbowl
Try to clean the sim before putting it back in the MDA Pro,
Generally works for me!
i had the same problem with my jasjar here is Australia......my sim works on any other pda and phones but not the jasjar.....apparently the sim that i have or some of the new sims have a little higher voltage than normal.......and the jasjar dont like it.....so what i did was replace the sim with another one and that worked......al they had to do was port my number to the new sim......but before it did that tried to put the sim in first and it started to look for a network so i knew this was gonna work......becoz before when i put my old sim in it just says invalid sim or no sim........so try replacing ur sim with another one......perhaps try and get an old sim maybe the sim has some in stock.....i bet ya that will wrok....good luck
Thanks guys ... I'm trying to find an older T-Mobile SIM to try. It's just frustrating! I've tried giving the SIM a wipe, to no avail. If it is that the SIM is slightly incompatible, T-Mobile sending out another unit won't really help, right?
How annoying!
If anyone else has any great ideas I'd love to hear them!
try using someone elses sim and put it in the device and give it a try to check if its definitely the unit and not the sim......when i rang the tech support for optus thats what i was advised.....and they were right....sim voltage was the problem......anyways try getting another sim.
Contact customer services.
The problem sounds like you SIM is too old.
They should ask for your SIM serial number, if its too old they'll offer to send you a new SIM or something else to make it work straight away??? :wink:
The MDA PRO as its a 3G type phone with WCDMA it needs a diffrent sim card that is usaly known as a 3V USIM.
Its the same on Three in the UK, the sims from their phones will only work in 3G phones not standard GSM ones and vica-versa.
Old SIMs (from about 5 years ago) are rated at 5 volts. Newer ones are 3 volts (not just for 3G). Trust me, I work for a certain mobile phone company who sponser West Brom. ;-)
The problem will be fixed in a future software upgrade. But for now you need a new SIM or your phone unlocked.
Trouble is, this *is* a new SIM... I'm moving back to the 'hardware fault' diagnosis I think.
I went to a friendly carphone warehouse shop in Oxford and tried a new (and definately working) T-Mobile PAYG SIM and that gave exactly the same error.
Maybe T-Mobile need to send me a 3G SIM. I guess I'm probably just going to have to wait until they can send me a new handset to see what happens.
Ho hum!
There's no such thing as a 3G SIM. The 3G gigery pokery happens on the phone. There is no need for a different SIM. The MDA Pro has a problem with SIMs with certain serial numbers (Don't know which coz I'm not at work). You need either a SIM that the phone likes or your phone unlocked. Call customer services if you still have your phone.
Had the same problem allready twice in 2 weeks.
One time a soft reset made the device working again - another time I had to take out the sim card and put it in again, then it worked. But all email accounts were gone and had to be installed again.
Chris
Slave1 said:
There's no such thing as a 3G SIM. The 3G gigery pokery happens on the phone. There is no need for a different SIM. The MDA Pro has a problem with SIMs with certain serial numbers (Don't know which coz I'm not at work). You need either a SIM that the phone likes or your phone unlocked. Call customer services if you still have your phone.
Click to expand...
Click to collapse
Hi, thanks for that reply... it seems very useful! If you could post/pm me the numbers of those SIMs that the MDA Pro is unlikely to like I'd really appreciate it... customer services aren't striking me as very helpful (and certainly not knowledgable) and I can tell that if I call them they're still going to say: Wait until we have another handset in stock and we'll see what happens then. Which doesn't help me much as who knows when that will be?
Thanks!
Any SIM serial not starting with 06 or 07 will be affected by the issue.
eg 90043575, the serial starts with 04.
This will be fixed with a software upgrade in the future, in the mean time you either need new SIM or you handset unlocked. For either call customer services.
I got my MDA Pro a few days ago also, had the same problem as you, basically the handset is network locked, not sure how they managed to lock all UK network, basically give Tmob a call and make sure your stay on the line until they provide with an unlock code, i got mine, now my old sim works and my handset is unlocked
I got my MDA Pro a few days ago also, had the same problem as you, basically the handset is network locked, not sure how they managed to lock all UK network, basically give Tmob a call and make sure your stay on the line until they provide with an unlock code, i got mine, now my old sim works and my handset is unlocked
i had the same problem with my ASUS P535 (here is France) with new SIM card.
seen from :http://vip.asus.com/forum/view.aspx?id=20070818011855796&board_id=6&model=P535&page=1&SLanguage=en-us
Thanks.
I had the same problem BUT-
I had the same problem but i had been using the sim card successfully with the exec for a year, after a hard reset it doesnt recognise the sim. will a ROM upgrade fix it or is it a hardware failiure?
My solution
lauriewsmith said:
I had the same problem but i had been using the sim card successfully with the exec for a year, after a hard reset it doesnt recognise the sim. will a ROM upgrade fix it or is it a hardware failiure?
Click to expand...
Click to collapse
I had this happening to me just last week with a card that works all the time. Then followed that I had no sound coming off speakers or bluetooth. In my case it was a third party software problem. Don't ask me which as I install and uninstall too many applications and my Uni gets in a tangle sometimes. A soft reset instantly (in terms!) restored phone activities and sound, so I recommend a reset if you haven't tried it already. Maybe you will need more than one.

How to turn the network lock back on?

Hi!
I have a network unlocked HTC Dream (english T-mobile-version) that I bought used and unlocked. The previous user hade Tele2 as his operator but I used Telia. I´m now in dispute with him because the phone never worked with any calling och messaging but data works fine after manual APN-settings. I have now recieved the unlock code he got to unlock the phone, but with it being unlocked already it doesn´t really help me right now.
The plan is to somehow revert back to a locked phone and unlock it with my SIM sitting inside, and by that maybe fixing the problem.
So how do I make the phone go back to being locked to T-mobile?
Best regards,
Christoffer
It sounds like it might be IMEI locked on the network. T-mobile in the UK will allow blacklisted phones to connect even though they cannot work and there seems to be a loophole where data gets through. Maybe the case is similar, ring your operator from another phone and ask them.
Hedgren said:
Hi!
I have a network unlocked HTC Dream (english T-mobile-version) that I bought used and unlocked. The previous user hade Tele2 as his operator but I used Telia. I´m now in dispute with him because the phone never worked with any calling och messaging but data works fine after manual APN-settings. I have now recieved the unlock code he got to unlock the phone, but with it being unlocked already it doesn´t really help me right now.
The plan is to somehow revert back to a locked phone and unlock it with my SIM sitting inside, and by that maybe fixing the problem.
So how do I make the phone go back to being locked to T-mobile?
Best regards,
Christoffer
Click to expand...
Click to collapse
Well I am not sure why you can access data but can't make calls. It would seem to be some type of carrier problem or something I don't know about. I do know that you definitely cannot re-lock it, once it is unlocked it stays that way unless tmobile can do something with it. Something is either wrong with the phones hardware or your carrier, if it is a software problem maybe try flashing a new rom and re-enter your APN stuff.
Try making a emergency call like 911 or whatever, if that doesn't work something is screwed.
I tried it out this weekend with a friends SIM who is on Tele2, and it worked there with no problem! It is so weird that it acts like it was network locked, even though it shouldn´t be.
I´ve seen that a few have posted about the same problem, mainly with the Dream but also with the Magic. It comes up as "Telia" but follows with a "(No Service)". About 24 hours after I recieved it connected to the network and worked fine for about 10 hours but then it stopped working just as I got a MMS I was about to download. If I try to manually connect to the network from the list of operators, it says that my SIM "isn´t allowed to connect to this network".
I´ve downgraded and upgraded Radio to try to solve this, nothing worked.
I dont know alot about foreign networks but if you can get data then you should get all services. That message you got "SIM isn't allowed to connect to this network" is what you should get when your not unlocked. Or if the SIM is trying to use another carriers cell tower, your sure you got the APN settings correct? It sounds like you have some sort of hardware problem if the switching of Radios didn't help. Can you try the same SIM in another phone and see what happens?
I use the same SIM daily in my old phone the Dream was supposed to replace, works like a charm with everything.
It can´t be a hardware problem when the phone works flawless with Tele2, or can it?
Well it is just weird the data works and not calls. I am just guessing what it could be. Maybe something with the carrier? It's a odd problem.
Did you ring your operator? Put the SIM card in the phone, turn it on, then ring Telia from another phone. They should be able to tell you something. If it is blacklisted, they do not always share this with other networks.
AdamPI said:
Did you ring your operator? Put the SIM card in the phone, turn it on, then ring Telia from another phone. They should be able to tell you something. If it is blacklisted, they do not always share this with other networks.
Click to expand...
Click to collapse
That might be a thing to try. I have been in contact with Telia and gave them my IMEI-number but even during the short period the phone worked (by chance) they say that IMEI has never been logged in their system.

HTC Hero + 3 Sim = No connection

New Hero. Originally sold by Orange UK. Unlocked and imported to Ireland.
New sim from 3 Ireland.
Sim goes into Hero, but Hero does not connect to network. Occassionally phone makes brief connection to 2G roaming partner (Vodafone), but never 3G connection to 3 network.
Manually search for networks and select 3 (or any network for that matter) and phone says "Your SIM card does not allow a connection to this network".
"Mobile Network - Connect to internet" option in settings seems disabled (greyed out, can't be changed).
Have tried HTC, Orange, T-Mobile and MoDaCo ROMs.
Can anyone please suggest a fix. This is surely a phone setting thing? It can't be that 3 USIMs just don't work in the phone can it? I mean I haven't got the APN configured properly, but I should still be getting basic phone services no?
Did you get this fixed? I am having the same problem trying to use Three sim in England on a Orange Hero. It accepts the network unlock code but then stays on the 'unlocking sim' screen and I left it for ages.
No. Gave up and am staying with my old provider (3 didn't seem too interested in holding onto me as a new customer).
I've been posting this query in a few places. In one thread a guy from England said his 3 Sim used to work but then suddenly began exhibiting the behaviour I have described. I think he said a factory reset fixed it. Anyway, some have supposed that this could be a bug in Android/Hero that makes it incompatible with 3. I personally suspect its more about 3.
Thanks anyway. There must be a way round it, I'll find it.
Be sure to post if you do.
http://androidforums.com/htc-hero/8421-3-sim-htc-hero-sim-no-service.html#post48026
http://www.boards.ie/vbulletin/showthread.php?t=2055666141
RetroFlux said:
Did you get this fixed? I am having the same problem trying to use Three sim in England on a Orange Hero. It accepts the network unlock code but then stays on the 'unlocking sim' screen and I left it for ages.
Click to expand...
Click to collapse
I've faced with absolutely the same problem, with my new HTC Hero. I bought it 4 days ago on eBay in UK. It also locked to orange. Please contact me if you'll find out something! I like this handset very much. It would be great if I can also make calls with it
RetroFlux said:
Thanks anyway. There must be a way round it, I'll find it.
Click to expand...
Click to collapse
Btw, if I can help you somehow - email me "prokher at gmail.com"
prokher said:
I've faced with absolutely the same problem, with my new HTC Hero. I bought it 4 days ago on eBay in UK. It also locked to orange. Please contact me if you'll find out something! I like this handset very much. It would be great if I can also make calls with it
Click to expand...
Click to collapse
Its locked to orange and you want it to work on 3? ...
a_l_a_n said:
New Hero. Originally sold by Orange UK. Unlocked and imported to Ireland.
New sim from 3 Ireland.
Sim goes into Hero, but Hero does not connect to network. Occassionally phone makes brief connection to 2G roaming partner (Vodafone), but never 3G connection to 3 network.
Manually search for networks and select 3 (or any network for that matter) and phone says "Your SIM card does not allow a connection to this network".
"Mobile Network - Connect to internet" option in settings seems disabled (greyed out, can't be changed).
Have tried HTC, Orange, T-Mobile and MoDaCo ROMs.
Can anyone please suggest a fix. This is surely a phone setting thing? It can't be that 3 USIMs just don't work in the phone can it? I mean I haven't got the APN configured properly, but I should still be getting basic phone services no?
Click to expand...
Click to collapse
This is MAJOR weird. Chances are, the new USIM is not compatible. I've got mine for about 2 years, first in a W910i, now in Hero (sim-free, UK). Everything worked first time in the Hero, just needed APN settings for MMS and data. Surprisingly, MMS won't send or download while on WiFi. Mine's currently running on the leaked 2.73.405.5 ROM (not MoDaCo).
Maybe try someone else' sim, from 3 or other network and see if that works.
ptashek said:
This is MAJOR weird. Chances are, the new USIM is not compatible. I've got mine for about 2 years, first in a W910i, now in Hero (sim-free, UK). Everything worked first time in the Hero, just needed APN settings for MMS and data. Surprisingly, MMS won't send or download while on WiFi. Mine's currently running on the leaked 2.73.405.5 ROM (not MoDaCo).
Maybe try someone else' sim, from 3 or other network and see if that works.
Click to expand...
Click to collapse
Lolz ... I am viewing this reply on my phone and couldn't understand why, when I tried to view the images, my phone would go to the settings screen and hang. Took a few views to figure it out
a_l_a_n said:
Its locked to orange and you want it to work on 3? ...
Click to expand...
Click to collapse
Almost, it's locked to Orange and I want to connect to any of Russian provider. When I entered unlock code it is hanged with "Unlocking SIM card..." message. I can give more detailed description if necessary.
I
prokher said:
Almost, it's locked to Orange and I want to connect to any of Russian provider. When I entered unlock code it is hanged with "Unlocking SIM card..." message. I can give more detailed description if necessary.
Click to expand...
Click to collapse
Well I've never actually unlocked a phone myself so I don't know, but of its hanging then I would guess its not unlocking properly so its not going to work.
Maybe contact the person you bought the code from and ask for help or another code. Otherwise I wonder if reflashing the ROM would help?
Hero on 3 Ireland
I am using a 3 Ireland "3pay" prepaid SIM with my white Hero (completely unlocked, imported from UK). Works fine! I got the "mobile broadband" prepaid package about a year ago and had to buy a usb modem (sitting on my desk ever since) with the sim card.
You need to enter the 3ireland.ie APN, but no other magic incantations
Occasionally, I get the "Roaming" indicator in the notification bar on the Hero (weak signal might cause this). Then, clearly, no internet. Its not roaming with another provider either. I strongly suspect that this is a 3 bug. Reconnecting to the 3 network fixes it.
PS: I'm in Dublin and usually get a HSPA connection ("H" icon)
PPS: You do not need to top up your 3 sim in order to connect to http://my3.three.ie (indeed, on that web page you can enter your prepaid voucher #).
Volker1 said:
I am using a 3 Ireland "3pay" prepaid SIM with my white Hero (completely unlocked, imported from UK). Works fine! I got the "mobile broadband" prepaid package about a year ago and had to buy a usb modem (sitting on my desk ever since) with the sim card.
You need to enter the 3ireland.ie APN, but no other magic incantations
Occasionally, I get the "Roaming" indicator in the notification bar on the Hero (weak signal might cause this). Then, clearly, no internet. Its not roaming with another provider either. I strongly suspect that this is a 3 bug. Reconnecting to the 3 network fixes it.
Click to expand...
Click to collapse
Hmm, you guys seem to have some strange issues with those 3 USIMs. Maybe checking serial numbers or chip revision would shed some light into this. My USIM is not only working fine, but also happily roaming (GSM + data!) when I tell it to do so. Heck, I've spent two weeks in Italy on "3 Italy" with this USIM and it worked fine.
Ok since posting on here yesterday I have rooted my phone and put on modacos latest rom and its still not working, I have tried two seperate three sims and a vodafone sim. Given that the vodafone sim is also not working Im thinking it's a problem with the unlock code.
I'll contact them and see what they say.
ptashek said:
do so. Heck, I've spent two weeks in Italy on "3 Italy" with this USIM and it worked fine.
Click to expand...
Click to collapse
Maybe I was not clear enough: Every couple of days, I get the roaming indicator while being in Ireland. Clearly, you can't roam to another Irish network. While I haven't tried it yet, I'm pretty sure that roaming outside of Ireland will work (worked before I got the Hero).
RetroFlux said:
Ok since posting on here yesterday I have rooted my phone and put on modacos latest rom and its still not working, I have tried two seperate three sims and a vodafone sim. Given that the vodafone sim is also not working Im thinking it's a problem with the unlock code.
I'll contact them and see what they say.
Click to expand...
Click to collapse
It looks like we have the same problem.
As I promised above, it is the detailed description.
First case:
Turn on the phone with orange SIM card - everything works fine.
Turn on the phone with any other SIM card (I actually tried 3 other SIM card from 3 different providers). It asks unlock code. Enter unlock code I bought (actually any code containing 8 digits) it says "Network unlock successful." But after that it allow only emergency calls and if I try to make a call I see "Not registered in network" message. After reboot it asks unlock code again.
Second case:
If I do "restore to factory defaults" and turn it on the first time with my (no orange) SIM card, it asks unlock code I enter correct unlock code (salesman gave me one, and after that I also bought the same code in the Internet )
it hangs with phrase "Unlocking SIM card...". (Actually "turn off menu" works, I even can make an emergency call, but that is all I can get from it)
Also I noticed that in the first case there is strange line on the bottom of the screen (of the size of the notification bar).
I have tried different ROMS (original, rooted, latest, modacos) all the same. I only didn't try to downgrade radio firmware. I don't know if it can help. I upgraded to latest one even before I get the unlock code. As I already mentioned I also tried all SIM card I can obtain, the problem is obviously doesn't caused by SIM/Network incompatibility. Btw, my SIM card works OK in another HTC Hero (which was bought with my one).
I think it is problem with unlock procedure itself, not with code correctness. If wrong code entered it must say something like "wrong code", but for any 8 digit code it says "Network unlock successful". Is is the symptom! )
I do not know what to do further
Ok, I have now had a reply from Unlock Now, they said it must be an issue my phone (although we have now established it's an issue with orange phones) but they did refund my payment.
I'll keep looking into this and post back if I find anything out.
RetroFlux said:
Ok, I have now had a reply from Unlock Now, they said it must be an issue my phone (although we have now established it's an issue with orange phones) but they did refund my payment.
I'll keep looking into this and post back if I find anything out.
Click to expand...
Click to collapse
I bought the same unlock code on two different sites, finally both did refund It is OK, but what will we do further?
I've decided started a new thread (http://forum.xda-developers.com/showthread.php?t=560105) as I don't think it is just a problem with Three sims as the Vodafone one I tried didn't work.
I'll still post back here if we get any useful info.

Can't send or receive calls, please help.

Last night I tried to send an SMS, but it wouldn't go, so tried to make a call and it just wouldn't!
So I tried to call me number only to get the message "Calls are not currently being connected to this number". If I turn my off and try to call it it goes to voice mail etc.
I have tried a factory reset, but its still not working. it thinks it has a network, and my internet works on the phone. also, the SIM works fine in another phone...
anyone got any suggestions, I'm going away over Christmas and really need my phone to be working.
If the network is refusing to connect to that particular handset it suggests something a little more sinister.
Just to confirm, SIM in DHD does not work, no sms, no calls. SIM in another handset works fine.
If this is the case, then your DHD may have been IMEI network blocked, i.e. reported lost or stolen. Did you buy the DHD from new?
For a small fee you can check to see if your DHD has been reported lost or stolen > CheckMEND
That's right, SIM doesn't work in DHD for SMS's and Calls, but does in my other phone, but HSDPA does work.
the phone came directly from T-Mobile, I called them but they we're very unhelpful, didn't ask anything or check any thing, just suggested sending it away for repair!
I'd get it replaced. Sounds very odd. Have you tried another SIM card in it? Its probably SIM locked, so you'd need to sort that out before you can try.
Just to fill you all in, I eventually got this sorted! only took three weeks!!!!!
What happened was, the phone T-Mobile sent me doesn't match the box and paperwork it came with, the IMEI and Serial numbers are different.
It now transpires that the idiot who has the matching phone/paperwork/box etc. lost their phone and reported it stolen, so when he gave them the phone details, he (or she) gave them "my" details resulting in my phone being blacklisted!!!!
So they have now un-blacklisted my phone and updated the details on my account. still no explanation as to how it happened, but at least my phone is working again.

Phone Not Allowed - UK SM-G950F

Hi All
I'm at my wits end with this Samsung S8 phone, Bought a 2nd hand S8, was working fine, but I noticed the internal storage was only showing 9.63GB
Had a look on here and the solution was to stock flash the phone. I did that, all fine, storage was back to normal....BUT since then I can't make or receive any calls.
I get the error "phone not allowed" and it won't connect to ANY mobile network.
I've tried loads of different suggestions
Sim is OK in another phone
Re Flashed (numerous times)
Andriod 7 and 8
Sim and Phone OK with three network
But still have the issue....
Can anyone help me? or push me in the right direction?
Cheers
Tommy
You probably tried this, but try booting into safe mode. If it works then there is a software problem. If the problems persist in safe mode you probably gotta contact Samsung.
Are you sure the phone is unlocked?
Sent from my SM-G950F using Tapatalk
Is the phone blacklisted? if it is blacklisted then it will not connect to service. Your SIM wil work perfect in any other phone.
Hate to say this but it does sound like your phone has been blacklisted.
You can check with one of the online IMEI blacklists.
If your phone shows Phone not allowed and a code like MM#6, it usually is an indication that it was blacklisted.
Check your phone's IMEI on a blacklist checker like http://imeipro.info/
The previous user most likely had the firmware and baseband messed around with and once you flashed stock it reverted to true state, it's highly advised to get back in contact with the person, where was the phone bought? A shop? Online?
Dreadsta5889 said:
You probably tried this, but try booting into safe mode. If it works then there is a software problem. If the problems persist in safe mode you probably gotta contact Samsung.
Click to expand...
Click to collapse
Yeah tried that , still the same
If one is in possesion of a S8 that says "Phone not allowed", and the phone is blacklisted, is there any way of fixing that?
I have the same issue here..
I bought an S8 from Manchester last summer, and I started using it last week, (because my other phone worked longer than expected) and after I gave the phone the Network key that the previous user wrote down for me, then that message appeared.
So im stuck with this almost completely new brick aswell...
Any options at all?
YallahHabibi said:
If one is in possesion of a S8 that says "Phone not allowed", and the phone is blacklisted, is there any way of fixing that?
I have the same issue here..
I bought an S8 from Manchester last summer, and I started using it last week, (because my other phone worked longer than expected) and after I gave the phone the Network key that the previous user wrote down for me, then that message appeared.
So im stuck with this almost completely new brick aswell...
Any options at all?
Click to expand...
Click to collapse
The only real solution here is to either go abroad and sell the phone, or sell it to someone who is going abroad. The phone will work outside of the UK.
It does sound as your phones imei Nr is blocked in UK.. Probably the person who sold you the phone, stole it somewhere.
I have the same problem on my Samsung S7 now in Brazil.
In Canada, on Canadian carriers, everything is fine, and if I put the Canadian SIM in there everything is fine. But the minute I plug in Brazilian SIM card, boom, Phone Not Allowed message comes up and it won't connect to any of the Brazilian networks. Brand new SIM, works just fine on another LG phone (and any other phone I tried).
The phone is unlocked, I even checked with a few pieces of software and there is no network lock on it either.
I've got the master & network unlock codes from Samsung, but have no way of inputting them as no prompts for those come up when I insert the Brazilian SIM.
I checked the IMEI, it is definitely clean and not blacklisted.
Heck, I even rooted the phone to see if that would help, and still nothing.
Any idea what else to try or what else might be causing this goddamn message to pop up?!
I solved my S8.
Blacklisted on all uk networks except Three network.
Works perfect.

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