Sim card is locked after flash. - Sony Xperia XZ2 Questions & Answers

Hello lads,
I am new to XZ2 modding and so on, and I've came here for any help.
I tried flashing (with newflasher) stock firmware a lot of times, to finally get LineageOS to work with Gapps.
Problem now is, that the phone says it detects no signal and that it is emergency calls only and doesn't allow regular calls.
I know it does detect a signal because, if I go into service settings, it does in fact show a signal frequency.
Is there any way to fix this issue software wise?

is it asking for the unlock code?
try to add the APN settings of your network in your Settings > Mobile network

Related

[Q] unlocked sgs but now shows no signal?

hi had a search around but unable to find anyone who has had the same issue
unlocked sgs from UK t mobile to use vodafone sim.
all was ok till i changed the setting to stop 3g to improve battery life, sgs went to no phone signal (blue circle with line through it on top bar). put 3g useage back on but still no signal
had a look at my phone/status:
network = vodafone uk
service state = out of service
mobile network state = disconnected
if i set network automatically it says 'registered on network'
if i select vodafone from list i get 'your sim card does not allow connection to this network'
i have hard reset the phone, locked it and unlocked again, but still the same
also tried with o2 sim and get the same problem
== t-mobile sim still works==
is there a solution out there?
Try to manually create another APN
EDIT: my bad...you meant no phone signal. I have no clue but hope that you'll get the help that you need.
what needs to be entered in the fields?
i've had this happen on two phones..........one was due to me messing up the nv_data files. the other was fixed by reflashing.
take your pick
i haven't had the phone flashed
i only used ADB to get the Network Control Key which i then use to unlock the phone
can you suggest the next step for me
i assume the professional unlockers use a flashing method, should i get it unlocked by one of them?
its possible the imei has been blocked
if blocked tmobile customer service said that i should hear 3 beeps when i try to make a call, but i get a message that 'not registered on the network'
could it still be blocked even though i do not get the 3 beeps?
if it is not blocked is there anyway i can get this working on a vodafone sim?

Cannot enable "Mobile network" after upgrade to latest FW

Hello,
i've just upgraded to the latest official OTA FW 3.08.405.3
Sense3.0 is great, but i cannot turn on mobile network anymore - i tried it both via Quick settings and Wireless settings menus - it cannot be enabled. And even worts is that it doesn't report any error msg and the 3G sign doesn't appear on status bar. There is noting in the log too...
Does anyone has the same problem?
I just wrote a mail to HTC support, but don't know if they track this as support channel...
This is terrible - i can't live without mobile network connection ...please help!
10x
Boby
This might sound weird, but is there anything in APN setting?
Try to mess with the toggles. I have had similar problem. I constantly turned airplane mode on/off and switched from GSM to WCDMA. Finally it goes, if this isn't related to apn. Hope i helped.
10x a lot guys !
it didn't recover APN settings after upgrade
I previously checked them, and assumed that check-box is selected, but actually it was not. It should be colored in green, but actually it was in grey
Unable to re-enable Mobile Network for data-only SIM Japan -- possible bug?
Having a similar problem, some more details:
PHONE:
I am using an unlocked (but unrooted) Incredible S from Virgin Mobile Canada with a data-only BMobile SIM in Japan (runs on DoCoMo's network apparently). Android 2.3.3 (Virgin Canada circa August 2011).
PROBLEM:
Mobile Network intermittently gets disabled and cannot be re-enabled normally. APN is fine, SIM card (phone number) is still detected. Toggling Airplane Mode or Wireless Network does not work, Select Automatically returns "unable to connect, try again later", Search Networks and choosing DoCoMo returns "Your SIM card does not allow a connection to this network".
SOLUTION:
Only reproducible solution is to remove data-only SIM, insert voice&data SIM (from my SoftBank phone), now Mobile Network is available so re-enable it, power down and replace data-only SIM. Once restarted Mobile Network automatically enables. Obviously this is not a convenient fix.
Once was fixed by randomly hitting network settings in frustration, but I have not been able to reproduce this solution.
OBSERVATION:
When on wireless, Mobile Network is also greyed out. When Wireless Network is disabled, Mobile Network automatically enables properly (for the most part, at least once I suspect it did not).
Thus I feel like it's a bug, either in OS or DoCoMo's network, but BMobile and HTC both point the finger at each other and have no useful suggestions for me.
ASIDE:
I hear Android 2.3.5 is available for Incredible S, perhaps this fixes the problem. However, this update has not appeared in my updater -- is it possible that because I'm unlocked I've lost access to the update server?
Thanks in advance for any suggestions.
mobile network disconnected
Have also the same problem, tried all the above suggestions but none works. Phone only shows limited service but with x on the signal bar. BUt when i try to tap the sim tool kit, it displays "SIM toolkit not ready or unsupported".
Hope somebody here can help me. Thanks
iqbelnas said:
Have also the same problem, tried all the above suggestions but none works. Phone only shows limited service but with x on the signal bar. BUt when i try to tap the sim tool kit, it displays "SIM toolkit not ready or unsupported".
Hope somebody here can help me. Thanks
Click to expand...
Click to collapse
+1

No signal, hardware or software problem

Nexus 6 UK user on EE network. Started to have this problem about 2 mouths ago no signal emergency calls only, reboot the phone still no signal remove sim and put it back in works. This is happening about twice a day. Was running latest stock with root so changed to chroma custom rom thinking it could be radio problem but still happening. Got a replacment sim thinking it was damaged still happening. Phone is over a year old so starting to think hardware problem. Any help would be great.
Cheers
Have you checked your IMEI number?
Sent from my Nexus 6 using Tapatalk
Hi bushako the IMEI sames okay, I have flashed stock MMB29Q on today with no root to see if it makes any different.
sounds like neither a hardware nor software issue, but a carrier issue.
focus1881 said:
Nexus 6 UK user on EE network. Started to have this problem about 2 mouths ago no signal emergency calls only, reboot the phone still no signal remove sim and put it back in works. This is happening about twice a day. Was running latest stock with root so changed to chroma custom rom thinking it could be radio problem but still happening. Got a replacment sim thinking it was damaged still happening. Phone is over a year old so starting to think hardware problem. Any help would be great.
Cheers
Click to expand...
Click to collapse
When you remove and replace the sim card, is the phone on or off? Reason I'm asking is because I'm thinking about a possible problem with the contact pins of the sim card *slot*.
Also wouldn't hurt to check on the sim status next time it stops working.
System settings --> about phone --> (check that baseband version is showing something reasonable, then Status --> SIM Status and check what is under signal strength, cellular network type, service state, cellular network state, and IMEI.
Another thing that you may want to look at, is at System Settings --> wireless&networks/more --> cellular networks --> Preferred network type, and also in Network operators, make sure that you hit the button "choose automatically".
Now, the reason I want you to set it to choose automatically, is because of a glitch I've seen a few times on my service provider here in Canada. If it is set hard to my service provider, occasionally, it will be unable to connect to the network. This is especially the case when I'm *entering* a service area from somewhere that has no service. Note that my service provider uses only ONE MCCMNC, so go figure. Just make sure that you select choose automatically.
You can also try resetting the radio by putting it into airplane mode, counting to 10, and then back to normal.

No signal/voice/data - Restricted access changed. Voice service is blocked

Just as the title says, the phone was working fine then suddenly it lost all signal and went into some kind of restricted mode, it's a friend's phone and he is almost 84 years old.
I have flashed the latest firmware and factory reset to no avail, also changed sim cards and here comes the weird behavior:
I don't have a standard-sized sim card so I had to take it from my USB LTE Modem, it's from another carrier and the phone detected the sim card, went with a full -77db HSDPA signal but data doesn't work at all, it seems to be disabled on status, even configuring the proper APNs it refuses to work. Can't test voice and all my other working sim cards are nano.
Inserting any other sim from another carrier results in no signal/restricted access but the phone still downloads the Internet/MMS configuration.
Have tried setting it manually to WCDMA and GSM, nothing seems to work, only my data sim worked so far *without the data*.
Maybe the IMEI is banned for some reason?
Never heard of this issue until now
Have you tried to flash a firmware that aren't from any carrier?
Kizoky said:
Maybe the IMEI is banned for some reason?
Never heard of this issue until now
Have you tried to flash a firmware that aren't from any carrier?
Click to expand...
Click to collapse
Yes I did, flashed the USA unbranded kitkat rom.
Just got the chance to test with two sim cards from different carriers:
Carrier #1: Registered on network, no data traffic, voice call drops just after trying to call, signal ok
Carrier #2: Registered on network, data traffic seems ok but can't navigate, shows H+ and proper APN and traffic arrows activity but when you try a call it says "Mobile Network Not Available"
Can't send SMS, they stick with a "Sending" status and wont get past it.
This phone was purchased unlocked without a contract, can't see how the IMEI could be banned, plus we do not have regularization for IMEI ban in my country, it's currently a mess.
On a side note it does not detect the sim's phone number which it does on any other phone.
Maybe it's some hardware related issue?
nitzero said:
Yes I did, flashed the USA unbranded kitkat rom.
Just got the chance to test with two sim cards from different carriers:
Carrier #1: Registered on network, no data traffic, voice call drops just after trying to call, signal ok
Carrier #2: Registered on network, data traffic seems ok but can't navigate, shows H+ and proper APN and traffic arrows activity but when you try a call it says "Mobile Network Not Available"
Can't send SMS, they stick with a "Sending" status and wont get past it.
This phone was purchased unlocked without a contract, can't see how the IMEI could be banned, plus we do not have regularization for IMEI ban in my country, it's currently a mess.
On a side note it does not detect the sim's phone number which it does on any other phone.
Maybe it's some hardware related issue?
Click to expand...
Click to collapse
Well that's interesting
My phone can't detect my Sim's phone number either (though i don't know If it is only for me)
Have you tried to flash a ROM? (from XDA)
Kizoky said:
Well that's interesting
My phone can't detect my Sim's phone number either (though i don't know If it is only for me)
Have you tried to flash a ROM? (from XDA)
Click to expand...
Click to collapse
The sim number information depends on the sim itself, most carriers register this information within the simcard so when you go to status you may retrieve your own phone number but I have seen sim cards without this info. The sim cards I tested do have this information and were available on a Galaxy S5 and Xperia Z1 but this E1 fails to read this information which kinda indicates a problem. I don't remember the codes for debugging the sim and network info or I'd give that a shoot.
I will try a custom rom, maybe a different kernel and see if the behavior changes any bit.
I am bidding on a Z1 Compact for this friend, should be a proper replacement and a hell of an upgrade, just concerned about E1's loudness which is certainly superior.
Interesting, I also get this if I don't reboot my phone after like 5 days.

SM-G781N won't connect to 4G/5G, only works in 3G

hi
i got the phone from korea, the problem is when connecting to 4G the phone would lose internet and calls then lose the network, i get a message saying "failed to register to network (15)" but if i forced the phone to connect to 3G then it works fine. here's what i tried to fix the problem :
turning off the mobile network then turning it on
resetting the network settings
removing NR Whitelist
and none of them fixed the issue. there's a korean menu in the service mode, but i didn't miss with it. i have attached screen shots of the software information and the korean menu in the service menu.
Who provides your service? Have you tried going into network settings and APN and see what that says
If it is a Korean phone and you aren't in Korea and it is locked into the network then you won't be able to get service somewhere else I don't think
allday5850 said:
Who provides your service? Have you tried going into network settings and APN and see what that says
Click to expand...
Click to collapse
im using my local non korean sim card and it's working fine, and im also using my local sim's APN settings, the sim card is not korean and nor are the APN settings.
i want to exhaust all my available options before i go for the format.

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