Develop Bugs

Guys help. Noob here.

Hey guys, i just received my Sony Ericson Xperia Arc S from japan (docomo). I just boot it, everything is fine until I insert the sim card, Im from Philippines and I'm new to android phones so i can't tell if this phone is unlock to all sim. I tried to scan the network and it detects all of the carrier in my country but i always prompted to this after i choose my carrier "your sim card does not allow connection to this network".
Your response will be much appreciated.

try with some other carrier sim cards on your phone...

williamcharles said:
try with some other carrier sim cards on your phone...
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Click to collapse
Ok i will try, but if that fail? I recently find out over searching the net that my phone is not rooted.

diomancer said:
Ok i will try, but if that fail? I recently find out over searching the net that my phone is not rooted.
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Click to collapse
Your phone does not have to be rooted to be unlocked. A carrier unlock is totally different. it allows you to use any sim card in your device. Rooting gives you access to the hidden file system that actually runs the phone.

I think you should contact your cell provider to replace the sim.

first try it with a different carrier's sim. if its working then ask your provider for a sim replacement. if its not working then your phone is probably carrier locked. (of course if reception is fine at your location)

[Q] Xperia ARC "No Service" error on TMN Portugal

Hello guys,
I have a problem with my Xperia Arc that I cannot find the answer on the forums.
My ARC is originally from MOVISTAR Spain and, after unlocking has been working great with VODAFONE Portugal.
Now I´m changing to TMN and that´s where the problems started. I´ve keept the same number (91) and therefore I went trough a "Portability" process to TMN. Last Friday the process was completed and my VODAFONE SIM card was disconnected.
TMN delivered me a SIM card to exchange. As soon as I did it the phone recognizes the SIM card, I put the PIN number and apparently all is OK.
But, there´s no network signal, and I cant make or receive phone calls or SMS. Everytime I try to call it says "Out of service area". This SIM card works normaly on my wifes LG Optimus Black.
My phone works at 100% with VODAFONE SIM cards and doesn´t work with TMN SIM cards. Despite it´s unlocked I´ve unlocked again the bootloader via Wontanserver. No sucess!
Strange thing though... I have 3G internet signal and I can navigate the web. Cant make phone calls or send SMS!!! Please Help!!!
Thanks in advance guys for any contribute.
Gonçalo Santos

When you say you unlocked it do you mean unlocked the bootloader or you also sim unlocked?
Sent from my Xperia Z using Tapatalk 2

Try the simcard in a other phone
Sent from my LT15i using birds.

Reply
zippy01 said:
When you say you unlocked it do you mean unlocked the bootloader or you also sim unlocked?
Sent from my Xperia Z using Tapatalk 2
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Click to collapse
I unlocked it via Wontanserver. This service says it unlockes the bootloader and the SIM lock.

Reply
TheHaso said:
Try the simcard in a other phone
Sent from my LT15i using birds.
Click to expand...
Click to collapse
Already did! The TMN SIM card works on another phone, not in mine!
On my phone works VODAFONE SIM cards (tried various) and the TMN SIM only works for 3G internet connection, not phone calls or SMS...

HELP
Does anyone know how to fix this?
I've read somewhere that this was fixed in another case by putting an unlock code.
Do you know if this can solve my problem? If so, where/how can I get this "unlock code"?
Thanks again.

wontanserver server removes both sim and bootloadel lock, there`s no question there. now, since you have an unlocked bootloader, why don`t you try and flash kernel again ? or try and flash the stock rom, maybe you have some MOVISTAR crap and somehow block your calls, though i doubt that ...

s0higher said:
wontanserver server removes both sim and bootloadel lock, there`s no question there. now, since you have an unlocked bootloader, why don`t you try and flash kernel again ? or try and flash the stock rom, maybe you have some MOVISTAR crap and somehow block your calls, though i doubt that ...
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Click to collapse
Thanks for your reply. I've already reinstaled the ICS latest update trough PC companion, which "cleaned" my data. And... no luck there.
Does this process equals flashing kernel or stock rom? If so, I can always flash a diferent rom or kernel, do you recomend that?
Thanks for your help m8. I'm really in a jam...

except from vodafone sim cards, is there another sim that work ? are you positive you`ve made the right steps when you unlocked you`re bootloader ? try other sim, except form vodafone or TMN, make sure you don`t have some kind of network lock.

s0higher said:
except from vodafone sim cards, is there another sim that work ? are you positive you`ve made the right steps when you unlocked you`re bootloader ? try other sim, except form vodafone or TMN, make sure you don`t have some kind of network lock.
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Click to collapse
Yes, all sim cards work great with TMN sim cards as exceptions. I've tried old and new TMN sim cards. No luck! 3G signal for internet but no service for calls or SMS.
I´ve ordered a CHECKMEND report to see if my IMEI could be blocked/blacklisted by TMN and it came out with 0 problems!
Have tried ti change baseband, kernel and ROM, unlocked via WONTAN and... nothing! Now I'm back to stock ICS and stuck with the same issue... :crying:
Can anyone help?
Thanks in advance.

Do you resolve this issue? Mine is happening excatly the same thing. Nothing seems to work @Gsantoz

[SOLVED][Q] IMEI and Baseband unknown. I don't have a backup.

[SOLVED] I put my phone in airplane mode and my IMEI/Baseband came back, cheking the service menu I went to *#2263# and saw that "LTE Preference" was enabled. I clicked on Automatic and problem fixed. Probably a ROM bug? Who knows.
Hello there. I've been a reader of the XDA forums for some time but I never had any reason to create an account to post on the forums.
A few weeks ago I got a SGH-M919 as a gift, the phone only had a few months of use and I took it with me, everything worked fine except for the fact that I couldn't get 3G/4G (Not even EDGE), I was only able to connect to the GPRS network and I couldn't change the carrier (It always gave errors like "Unable to connect. Try later" and such). Although the phone is (apparently) quadband (I don't live in the US), it just didn't work but I lived with it.
Yesterday my phone was low on battery and I turned it off, a few hours later I turned it back on and it couldn't connect to the network, I went to the network options and once I pressed the screen to enter the Mobile Network options, I got an alert saying that I must have a SIM to access those option. At first I thought that the SIM got damaged somehow (This isn't the case since it works perfectly fine in another phone) but after a few minutes looking around, I checked the IMEI and instead of the usual number, I got a null/null message. My first reaction was to google what exactly happened and the answer I received was that the Baseband (Which is also Unknown) and IMEI are stored in a folder called EFS and that it got corrupted. Sweet. I looked for solutions but the main two I got (EFS Pro and ADB nvrestore) require a backup of the EFS (Which I don't have).
The other solution I got was to restore to the stock ROM (M919UVUFNH7) which I'm currently downloading from SamMobile (Sorry if this is considered spam). The phone is not rooted and has the stock ROM, it came with a CWM folder inside the internal memory with an .img file but it doesn't have CWM intalled. I've never upgraded it (Not sure if it came with that firmware from the store if it matters).
I live pretty much in what can be considered a "3rd world country". So I cannot send it to Samsung nor I have access to dollars.
Another question is, the phone was gifted to me already unlocked, I don't know if it came unlocked from the original carrier or if it was unlocked via a code or whatever. If I restore to the stock will it lock my phone to T-Mobile again? Would I be able to use it without a SIM card if it gets locked? It's impossible for me to get a T-Mobile SIM on my hands should I ever need one. In the worst case scenario that my phone gets locked, can I get it unlocked by flashing a custom ROM?
I have so many newbie questions that are already answered in other threads, but since it's a lot of information I want to get it as specific as possible to avoid breaking my phone.
If someone can help me with this issue, I'd really appreciate it.

i having same issue in M919

Do you guys get a message in notification bar about sim car removed or something about a sim card? Also, it doesn't matter if the sim card works in another phone. This device has a little issue with being picky with sim cards. If it's a cut sim card, get an original micro sim card

serio22 said:
Do you guys get a message in notification bar about sim car removed or something about a sim card? Also, it doesn't matter if the sim card works in another phone. This device has a little issue with being picky with sim cards. If it's a cut sim card, get an original micro sim card
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Click to collapse
Hi, thanks for answering. I don't get a message about a removed SIM card. I'm also using an original micro SIM.
I already downloaded the Stock ROM but I haven't flashed it yet.

serio22 said:
Do you guys get a message in notification bar about sim car removed or something about a sim card? Also, it doesn't matter if the sim card works in another phone. This device has a little issue with being picky with sim cards. If it's a cut sim card, get an original micro sim card
Click to expand...
Click to collapse
This is a known bug of the s4. It is a hardware problem and I have yet to find a solution. If you google it you will find many threads on different forums addressing this issue. Again, no known solution

Any answer/idea about my issue? . Sometimes I can access Mobile Network Options, sometimes I can't. I can't configure the APNs (They delete themselves after I click on save). Phone Serial Number didn't get deleted (Which is stored inside the EFS folder as far as I know). I also can't select a Network Mode. I click on GSM/WCDMA/LTE but it changes automatically to nothing.

k8108 said:
This is a known bug of the s4. It is a hardware problem and I have yet to find a solution. If you google it you will find many threads on different forums addressing this issue. Again, no known solution
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Click to collapse
That's what I said? One solution is to change sim cards if using a cut sim card to use an original micro sim. It's worked for a friend if someone I know and also for others on XDA. It's not the solution, but works for some
exeichdi said:
Hi, thanks for answering. I don't get a message about a removed SIM card. I'm also using an original micro SIM.
I already downloaded the Stock ROM but I haven't flashed it yet.
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Click to collapse
I would get a new sim anyway if I could. Flashing stock firmware wouldn't hurt as well

serio22 said:
I would get a new sim anyway if I could. Flashing stock firmware wouldn't hurt as well
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Click to collapse
Before trying to flash it, is there any risk of getting simlocked again? I wouldn't want to get my IMEI fixed just to realize that my phone is locked to TMB again
UPDATE 1: My IMEI and Baseband randomly got back (My IMEISV was still missing) but after I restarted, they got deleted again.
UPDATE 2: Rooted, went to EFS, didn't find nv_data.

No SIM card

Hello I have an unlocked SGH-T989D phone but the problem is it will only detect sim cards from Koodo even though it is unlocked, I've tried flashing many different roms and different radios but nothing is working. Currently on stock 4.0.4 /T 989UVLE1, yes the phone is unlocked I checked multiple times. Anyone know how to fix this?

ZYXWABCD said:
Hello I have an unlocked SGH-T989D phone but the problem is it will only detect sim cards from Koodo even though it is unlocked, I've tried flashing many different roms and different radios but nothing is working. Currently on stock 4.0.4 /T 989UVLE1, yes the phone is unlocked I checked multiple times. Anyone know how to fix this?
Click to expand...
Click to collapse
How do you check if a phone is unlocked if any SIM you try from another company is not read by the phone?
I think you need to try the unlocking procedure again, I don't think it was properly unlocked

ShaDisNX255 said:
How do you check if a phone is unlocked if any SIM you try from another company is not read by the phone?
I think you need to try the unlocking procedure again, I don't think it was properly unlocked
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Click to collapse
Hi when I go to the dialer and type *#7465625# it says [NETWORK LOCK] OFF

ZYXWABCD said:
Hi when I go to the dialer and type *#7465625# it says [NETWORK LOCK] OFF
Click to expand...
Click to collapse
What method did you use to unlock it?
I did it with this (http://forum.xda-developers.com/showthread.php?t=2024514) and not a single time was I asked to check with the code that you have showed me
This IS for the T989 though, not sure if you can use it for the T989D or if it's different in a way.
Sorry that I can't help, I hope you get the answers you are looking for

ShaDisNX255 said:
What method did you use to unlock it?
I did it with this (http://forum.xda-developers.com/showthread.php?t=2024514) and not a single time was I asked to check with the code that you have showed me
This IS for the T989 though, not sure if you can use it for the T989D or if it's different in a way.
Sorry that I can't help, I hope you get the answers you are looking for
Click to expand...
Click to collapse
My brother used that method a long time ago and he was able to use different carriers, but now nothing works but Koodo, and I never get asked for an unlock code, just says 'No SIM card'

ZYXWABCD said:
My brother used that method a long time ago and he was able to use different carriers, but now nothing works but Koodo, and I never get asked for an unlock code, just says 'No SIM card'
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Click to collapse
Yeah, this phone will not ask you for an unlock code, if you follow the procedure correctly it will read any other SIM card on it's own
Try unlocking again with what you have, the stock 4.0.4 and UVLE1 combination, it should be the right one. Do the procedure again until it reads the SIM card you want.
Another possible problem could be that your SIM is damaged or not well placed. It happens to me when I try to fit a Micro SIM on it, if it is not well placed it will not detect it. Try using other SIMs or try it on other phones to see if your SIM is the problem

ShaDisNX255 said:
Yeah, this phone will not ask you for an unlock code, if you follow the procedure correctly it will read any other SIM card on it's own
Try unlocking again with what you have, the stock 4.0.4 and UVLE1 combination, it should be the right one. Do the procedure again until it reads the SIM card you want.
Another possible problem could be that your SIM is damaged or not well placed. It happens to me when I try to fit a Micro SIM on it, if it is not well placed it will not detect it. Try using other SIMs or try it on other phones to see if your SIM is the problem
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Click to collapse
I tried unlocking it again, doesn't work, tried different sims, and still doesn't work, but those other sims work on different devices. Only the Koodo one works on mine, which was what it was locked to before unlocking.

ZYXWABCD said:
I tried unlocking it again, doesn't work, tried different sims, and still doesn't work, but those other sims work on different devices. Only the Koodo one works on mine, which was what it was locked to before unlocking.
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Click to collapse
Well in that case I'm all out of ideas.
One final question, when you insert a SIM on your T989D that is NOT Koodo, do you get an "Invalid SIM", "No SIM" or just an empty signal bar?

ShaDisNX255 said:
Well in that case I'm all out of ideas.
One final question, when you insert a SIM on your T989D that is NOT Koodo, do you get an "Invalid SIM", "No SIM" or just an empty signal bar?
Click to expand...
Click to collapse
It says "No SIM card.|Emergency calls only"

ZYXWABCD said:
It says "No SIM card.|Emergency calls only"
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Click to collapse
My conclusion is that it's having a hard time reading the SIM card. When you put another companies SIM card in to a LOCKED phone, it will show as invalid SIM (sometimes it even shows signal but is unusable). Since it says "No SIM card", I believe it's more of a hardware problem than a software one.
All I can think of is try moving the SIM card around, turn on. If nothing changes turn it off and move a little again, the turn on and repeat until it reads it.
Apart from that, I have no clue what could be wrong with the phone.
Turn on your phone without any SIM. If you get the same message (No SIM card.|Emergency calls only|) then it is most definitely your phone not reading your SIM correctly. If you get Koodo signal WITHOUT any SIM inserted (which I doubt but it CAN happen) then that means you have a faulty SIM Card Reader on your phone.

ShaDisNX255 said:
My conclusion is that it's having a hard time reading the SIM card. When you put another companies SIM card in to a LOCKED phone, it will show as invalid SIM (sometimes it even shows signal but is unusable). Since it says "No SIM card", I believe it's more of a hardware problem than a software one.
All I can think of is try moving the SIM card around, turn on. If nothing changes turn it off and move a little again, the turn on and repeat until it reads it.
Apart from that, I have no clue what could be wrong with the phone.
Turn on your phone without any SIM. If you get the same message (No SIM card.|Emergency calls only|) then it is most definitely your phone not reading your SIM correctly. If you get Koodo signal WITHOUT any SIM inserted (which I doubt but it CAN happen) then that means you have a faulty SIM Card Reader on your phone.
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Click to collapse
It works on Koodo but only if the sim is inserted, also I tried moving the sim around and it still isn't reading. I think this is a software issue.

ZYXWABCD said:
It works on Koodo but only if the sim is inserted, also I tried moving the sim around and it still isn't reading. I think this is a software issue.
Click to expand...
Click to collapse
bump

Sorry man, I'm all out of ideas. I mean I've experienced the problem with the "No Service" thing, but I basically fix it by switching to 2G since I know there are some areas that I can't get 3G coverage. As for your problem, it's basically not reading your SIM entirely (by either software or hardware issues) and I wouldn't know how to get around that.
Best of luck to you

Second Sim unlocking on Single Sim xt1635-02

Hello,
Is there anyone who is able to get second sim working on dual sim xt1635-02 just like people were able to do so with moto x play. I have checked that my device does contains pins for the second sim and above all there are worldwide dual sim devices with same xt1635-02 board.

No word. However with other forum users ending up with imei = 0 on sim 1, i wouldn't recommend it.

titaniumtux said:
No word. However with other forum users ending up with imei = 0 on sim 1, i wouldn't recommend it.
Click to expand...
Click to collapse
any update?

The method to install a dual SIM firmware on a single sim device probably will work. Like with Moto X Play there will be only one IMEI be present. Who wants a dual SIM device, should buy a dual SIM device.
After you are sure to have a working efs backup (this one is really difficult! How to be sure your backup would work without testing restore? But if backup is broken or incomplete, testing restore may make your phone an expensive mediaplayer!), good luck when testing. Others just don't have the need I guess.

I tried several things the past days, and the only thing I got is the second sim got reconized but no calls are possible. The prop says dualsim=failes.
I think it's hardcoded like the software channel.

tag68 said:
The method to install a dual SIM firmware on a single sim device probably will work. Like with Moto X Play there will be only one IMEI be present. Who wants a dual SIM device, should buy a dual SIM device.
After you are sure to have a working efs backup (this one is really difficult! How to be sure your backup would work without testing restore? But if backup is broken or incomplete, testing restore may make your phone an expensive mediaplayer!), good luck when testing. Others just don't have the need I guess.
Click to expand...
Click to collapse
I have read people's experience while making attempts. I wanted something more "sure"
---------- Post added at 07:15 PM ---------- Previous post was at 07:14 PM ----------
-=MoRpH=- said:
I tried several things the past days, and the only thing I got is the second sim got reconized but not calls are possible. The prop says dualsim=failes.
I think it's hardcoded like the software channel.
Click to expand...
Click to collapse
There isn't much development yet. Let's home it's not the case.

new moto mod is comming soon where u can add up to 4 sim slots

You're more than welcome to try
hassanfarroq92 said:
any update?
Click to expand...
Click to collapse
You could flash the RETBR firmware on your MZP, swap in a dual sim tray and give it a shot.

titaniumtux said:
You could flash the RETBR firmware on your MZP, swap in a dual sim tray and give it a shot.
Click to expand...
Click to collapse
Doesn't work. I tried the RETBR and the Asian versions. Nothing.
The only thing right now is "setprop persist.radio.multisim.config dsds"
But the Second SIM got no network connection.

-=MoRpH=- said:
Doesn't work. I tried the RETBR and the Asian versions. Nothing.
The only thing right now is "setprop persist.radio.multisim.config dsds"
But the Second SIM got now network connection.
Click to expand...
Click to collapse
Nice. Can it be used to make calls?

rooted mzp and modified build.prop
i can get it to recognize the sim, even number properly but no network on second sim.

guess @-=Morph= made a typo: now instead of no ...

Can anyone tell me how to backup efs partition? Twrp doesn't show efs partition during backup.

hassanfarroq92 said:
Nice. Can it be used to make calls?
Click to expand...
Click to collapse
Can you call without network connection?

-=MoRpH=- said:
Can you call without network connection?
Click to expand...
Click to collapse
"But the second sim now got the network connection."

I got both SIM cards working and a working network connection on both cards.
Calling works also. I test the settings now for a few days and if there are no problems I write a short tutorial.

-=MoRpH=- said:
I got both SIM cards working and a working network connection on both cards.
Calling works also. I test the settings now for a few days and if there are no problems I write a short tutorial.
Click to expand...
Click to collapse
Don't test .. post them straight away

-=MoRpH=- said:
I got both SIM cards working and a working network connection on both cards.
Calling works also. I test the settings now for a few days and if there are no problems I write a short tutorial.
Click to expand...
Click to collapse
This is on a device sold as single sim? That's awesome!

Yes a single sim from T-Mobile Germany. We got dualsim only at the motomaker and not in the local or Online stores.
The second sim got imei 0, but that's not a problem here.

-=MoRpH=- said:
Yes a single sim from T-Mobile Germany. We got dualsim only at the motomaker and not in the local or Online stores.
The second sim got imei 0, but that's not a problem here.
Click to expand...
Click to collapse
Still would love to know the steps to achieve this.