[Q] Xperia Z Imei and BASEBAND MISSING - Xperia Z Q&A, Help & Troubleshooting

Hi guys,
This my first post on the forum,i bought a xperia z on november 2013 and till yesterday it was running fine..but from today suddenly the phone restarted again and again,so i reset the software from backup and restore,but from then the imei number and baseband became missing and the sim card stopped working.i tried repairing via PC companion but no luck.....GUYS PLS HELP ME!! THE PHONE WAS RUNNING ON STOCK FIRWARE 4.3 AND bootloader was locked...IT WAS NOT ROOTED ALSO

Mahim hossain said:
Hi guys,
This my first post on the forum,i bought a xperia z on november 2013 and till yesterday it was running fine..but from today suddenly the phone restarted again and again,so i reset the software from backup and restore,but from then the imei number and baseband became missing and the sim card stopped working.i tried repairing via PC companion but no luck.....GUYS PLS HELP ME!! THE PHONE WAS RUNNING ON STOCK FIRWARE 4.3 AND bootloader was locked...IT WAS NOT ROOTED ALSO
Click to expand...
Click to collapse
Did you try to dial *#06# to check ur IMEI? Try to reflash .ftf file via Flashtool (find the one for ur region).
Sent from my C6603 using XDA Free mobile app

Related

[Q] xperia zr baseband unknown no wifi and cellular service

everything was working fine on my xperia zr(c5502) until one day when for the first time the phone had its battery completely exhausted somehow the cellular service was lost and the phone got locked by mcafee internet security and was always asking for the pin at the start.even after entering the correct password it would just get stuck at this part and would never unlock.so i flashed the stock firmware 4.2.2.it was so unstable and was rebooting continously so i flashed the its first stock firmware 4.1.2 which removed the lock and reboot problems but the baseband is now unknown and no imei too and so no cell service and wifi isnt working.i am currently trying to flash the different firmware files and the baseband files of c5502 and c5503 to see if the baseband gets updated.before this problem started,i had never rooted the phone nor unlocked the bootloader or do anything of this sort.somebody please tell me what to do .has anyone xperienced this same error or baseband unknown error for zr???? :crying:
ajgo333 said:
everything was working fine on my xperia zr(c5502) until one day when for the first time the phone had its battery completely exhausted somehow the cellular service was lost and the phone got locked by mcafee internet security and was always asking for the pin at the start.even after entering the correct password it would just get stuck at this part and would never unlock.so i flashed the stock firmware 4.2.2.it was so unstable and was rebooting continously so i flashed the its first stock firmware 4.1.2 which removed the lock and reboot problems but the baseband is now unknown and no imei too and so no cell service and wifi isnt working.i am currently trying to flash the different firmware files and the baseband files of c5502 and c5503 to see if the baseband gets updated.before this problem started,i had never rooted the phone nor unlocked the bootloader or do anything of this sort.somebody please tell me what to do .has anyone xperienced this same error or baseband unknown error for zr???? :crying:
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2560677
Lasantha said:
http://forum.xda-developers.com/showthread.php?t=2560677
Click to expand...
Click to collapse
he has not got a working solution for this..what am i supposed to do.please help????
ajgo333 said:
he has not got a working solution for this..what am i supposed to do.please help????
Click to expand...
Click to collapse
just reflash fw bro everything will fixed.
stupid me... caught this...
how i resolved it... (im using cm/fxp btw)
- make nandroid backup
- wipe
- reboot
- baseband comes back
- reboot into recovery
- advanced recovery with "data" only
- reboot
- done.
i have this problem too.
i'm on stock 4.1.2 with no baseband,imei and signal.
bootloader is locked.
i test many stock and custom roms. but not solved.
any way to repair it?
l0000l said:
i have this problem too.
i'm on stock 4.1.2 with no baseband,imei and signal.
bootloader is locked.
i test many stock and custom roms. but not solved.
any way to repair it?
Click to expand...
Click to collapse
repair centre?
nostupidthing said:
repair centre?
Click to expand...
Click to collapse
no professional repair center near me to repair it.

IMEI but No Signal, please help!

Hello
I'm new here and I don't know what can I do to fix my phone, please help!
I have a Z1 C6903 from HK and suddenly during a phone call my phone lost signal and now it can't connect to my carrier network.
I tried a factory reset, upgrading with SUS and flashing original HK ftf but still have the issue.
I also tried flashing different ftf files (.290 , .257 , .534(NUT) , .531 , .681 and .757), sometimes I lost my IMEI but I figured out how to recover it, however, I recovered my IMEI but I still have no signal at all.
Could it be physical damage on my phone?
I hope I can fix it with software.
Any ideas?
I don't know what else can I do
Thank you!
you tried many ways, but did you try another sim card, lol?
Sent from my C6903
hxq88 said:
you tried many ways, but did you try another sim card, lol?
Sent from my C6903
Click to expand...
Click to collapse
Lol, yes I tried another sim card and it doesn't work, I also tried my sim card in other phones and works as a charm!
I noticed that this happened to other people and they fix it with SUS or flashing other ftf, I guess I'm not that lucky
Thanks!
After downgrade via flashtool did you try OTA update? Sometimes it's lose imei when flash older firmware, but after OTA update imei will restore. Hope it can help
Sent from my C6903
hxq88 said:
After downgrade via flashtool did you try OTA update? Sometimes it's lose imei when flash older firmware, but after OTA update imei will restore. Hope it can help
Sent from my C6903
Click to expand...
Click to collapse
I'll try that today. Downgrade to .290 and then OTA?
Thanks!
JMove said:
Hello
I'm new here and I don't know what can I do to fix my phone, please help!
I have a Z1 C6903 from HK and suddenly during a phone call my phone lost signal and now it can't connect to my carrier network.
I tried a factory reset, upgrading with SUS and flashing original HK ftf but still have the issue.
I also tried flashing different ftf files (.290 , .257 , .534(NUT) , .531 , .681 and .757), sometimes I lost my IMEI but I figured out how to recover it, however, I recovered my IMEI but I still have no signal at all.
Could it be physical damage on my phone?
I hope I can fix it with software.
Any ideas?
I don't know what else can I do
Thank you!
Click to expand...
Click to collapse
Did You try to manually flash each ROM following the release versions, from the oldest to the newest without skipping any build number (else You won't get signal and IMEI)?
mr.loverlover said:
Did You try to manually flash each ROM following the release versions, from the oldest to the newest without skipping any build number (else You won't get signal and IMEI)?
Click to expand...
Click to collapse
That's not needed and the OP says he does have IMEI so that's not the problem anyway
mr.loverlover said:
Did You try to manually flash each ROM following the release versions, from the oldest to the newest without skipping any build number (else You won't get signal and IMEI)?
Click to expand...
Click to collapse
I flashed stock ftf, I'm not flashing a custom ROM.
Do you mean to flash .518, then 5.34 then .257 then .290 and so on to .757?
Thank!
Yes, I do have IMEI but I don't have signal, it's weird!
I had this problem with my old galaxy note 2
The radio chip most likely broken.
Contact sony for warranty if any left!
Sent from my C6906 using XDA Free mobile app
When I insert my sim it shows my a message that says "SIM card could not be read".
Could the problem be the sim card reader ??
Thanks!
crzygrmn said:
I had this problem with my old galaxy note 2
The radio chip most likely broken.
Contact sony for warranty if any left!
Sent from my C6906 using XDA Free mobile app
Click to expand...
Click to collapse
Hi, I don't think is the radio chip, because I can see my carrier signal using the app Network Signal Info.
And it seems thta is not SIM locked, no X on the left. I don't know what can be the issue
Sorry to dig up this, but have you figured that out?
Were you to get signal again????
If so, what did you do?
hey did you figure it out? i am having the same problem! though it occured after flashing a custom rom. i noticed lost imei but then i recoverd it. now i have tried almost every ftf and even SUS. imei appears but shows no sim card inserted

[Q] Update Help

So today i got a new unopened xperia Z from a friend for free
So i went on connecting to my WIFI it shows that the device needs to updated to frimware 10.31.A.2.67
(which i later learned that it was a update released in 2013).But i didnt update.
My phone is in frimware 10.1.A.1.434 which i guess is an old frimware.
Can i directly update to a new frimware ?Can i update it to 4.4.4 or newer versions and also how?
My device is xperia Z C6603
Nizamkhanfb said:
So today i got a new unopened xperia Z from a friend for free
So i went on connecting to my WIFI it shows that the device needs to updated to frimware 10.31.A.2.67
(which i later learned that it was a update released in 2013).But i didnt update.
My phone is in frimware 10.1.A.1.434 which i guess is an old frimware.
Can i directly update to a new frimware ?Can i update it to 4.4.4 or newer versions and also how?
My device is xperia Z C6603
Click to expand...
Click to collapse
You can install SONY PC companionon your PC and use that to update your phone.
If that still doesnot help, you can use flashtool which is unofficial way to upgrade/downgrade your phone.
You would need FTF from general section and also flashtool which you can get from here. Make sure the FTF is device specific or your would end up bricking up your phone
http://www.flashtool.net/index.php
You can search xda for how to use it. If you still have questions, quote me and I would be glad to help

Please delete.

Please delete.
max2089 said:
Hi I have a Xperia Z C6603,
Yesterday i flashed custom rom,Flyme Os. Beginning Everything is fine,but after i restart it,he can't detect sim card.
I tried to reflash it ,still no working.
But after i flashed Official Firmware,it can detect sim card inserted or removed,but when inserted or removed sim card,it will auto restart.
Once auto restaring ,my xperia z can't detect Sim card again.
Please Help.
I am from Malaysia .Sorry for my bad english.
Click to expand...
Click to collapse
it seems that the rom has some problems I suggest downloading another rom
max2089 said:
Hi I have a Xperia Z C6603,
Yesterday i flashed custom rom,Flyme Os. Beginning Everything is fine,but after i restart it,he can't detect sim card.
I tried to reflash it ,still no working.
But after i flashed Official Firmware,it can detect sim card inserted or removed,but when inserted or removed sim card,it will auto restart.
Once auto restaring ,my xperia z can't detect Sim card again.
Please Help.
I am from Malaysia .Sorry for my bad english.
Click to expand...
Click to collapse
problem with the rom. did you notice baseband missing error?
ExCuTioN said:
it seems that the rom has some problems I suggest downloading another rom
Click to expand...
Click to collapse
I use Sony Software to update and repair itselft. Still can't. I try use flashtool too, but always no success.
codfx said:
problem with the rom. did you notice baseband missing error?
Click to expand...
Click to collapse
I use Sony software update and repair itself. I don't see any notice and that software told me,updated to latest firmware.
max2089 said:
I use Sony Software to update and repair itselft. Still can't. I try use flashtool too, but always no success.
Click to expand...
Click to collapse
it seems the rom doesnt work properly[NOT your fault] if you want to use your sim card switch back to stock rom or any other like CM
ExCuTioN said:
it seems the rom doesnt work properly[NOT your fault] if you want to use your sim card switch back to stock rom or any other like CM
Click to expand...
Click to collapse
I use other Pc and flashtool to flashed HK version. still same problem, is it hardware issues?Thank you ur helping.
max2089 said:
I use other Pc and flashtool to flashed HK version. still same problem, is it hardware issues?Thank you ur helping.
Click to expand...
Click to collapse
are you using custom rom or sony stock?
Stock rom,FTF file download from XDA thread.:crying:
ExCuTioN said:
are you using custom rom or sony stock?
Click to expand...
Click to collapse
Stock Rom ftf file.downloaded from xda thread.
max2089 said:
Stock Rom ftf file.downloaded from xda thread.
Click to expand...
Click to collapse
then it must be a hardware problem the best thing you can do is get your phone at a sony verified repair store [another thing you could possibly do is a factory reset but it is not recommended since it will delete your phone's data]

Xperia (Z1) IMEI Null, Baseband Unknown and Sim is not being detected.

I Have a Xperia Z1 C6903 run Lollipop 5.1
One day when i switched on the phone , the IMEI was NULL, the baseband was unknown and i was not getting signals from my network provider.
I flashed stock rom but it is still in the same condition
Ive tried many other methods but they also didnt work.
If anyone Knows a fix plz lemme know
Zoom-X said:
I Have a Xperia Z1 C6903 run Lollipop 5.1
One day when i switched on the phone , the IMEI was NULL, the baseband was unknown and i was not getting signals from my network provider.
I flashed stock rom but it is still in the same condition
Ive tried many other methods but they also didnt work.
If anyone Knows a fix plz lemme know
Click to expand...
Click to collapse
i had this problem couple of times, and i just open phone app and try to make a call, then it will detect baseband and get signal
test it
check this http://www.mashinie.com/trick-to-create-sony-stock-ftf-rom.html
flash all files and you might be done !!!!
Imei null , baseband unknown
My mobile was not switching on 3 weeks ago (this happened when my imei was null and baseband was unknown) , so i connected it to my pc and did something and my IMEI came back , baseband too came back everything was working fine.
But yesterday my mobile froze and it was completely not responding , it was not even switching off, so i pressed power and volume up button it switched off, but when i switched it on again, the imei & baseband was gone .
What to do now?
Zoom-X said:
My mobile was not switching on 3 weeks ago (this happened when my imei was null and baseband was unknown) , so i connected it to my pc and did something and my IMEI came back , baseband too came back everything was working fine.
But yesterday my mobile froze and it was completely not responding , it was not even switching off, so i pressed power and volume up button it switched off, but when i switched it on again, the imei & baseband was gone .
What to do now?
Click to expand...
Click to collapse
is your device switching to flashmode ?
if it goes in flash mode then follow this steps
download pc companion and install it,then open it and click on start in support zone section, then select repair my phone
Then select your device and download the original firmware, then after downloading the original files ....minimize pc companion and download flashtool from here dl-developer.sonymobile.com/tools/Flash_tool_for_Xperia_7.zip now install flashtool and drivers (drivers will be in flashtool folder in c drive) now open my computer and navigate to here C:\ProgramData\Sony Mobile\Update Engine\localstorage\13740270
now make a ftf file of this (how to make ftf file https://talk.sonymobile.com/t5/Xperia-mini-pro/How-to-get-ftf-ROM-from-PC-companion-update/td-p/178996)
now flash that ftf in flashmode
if helped give a thanks
xperia z1
I had the same problem and occurred when I mistakenly installed rom for 6903 to 6902 , did not recognize the phone sim card , wireless did not work , the IMEI number is not showing.
error in the software
gile78-gaga89 said:
I had the same problem and occurred when I mistakenly installed rom for 6903 to 6902 , did not recognize the phone sim card , wireless did not work , the IMEI number is not showing.
error in the software
Click to expand...
Click to collapse
i reinstalled the correct firmware , but still
also , Everything was working fine , but one day the mobile froze and when i rebooted it, everything gone

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