My XZ3 SOV39 cannot Connect Any Network - Sony Xperia XZ3 Questions & Answers

My xperia xz3 (SOV39) doesnt want to be connected to any network, the SIM card is detected but the signal bar is empty (and internet doesnt work too).
I already tried several SIM card by another providers but still doesn't works.
Please help me ???

Zoltan1889 said:
My xperia xz3 (SOV39) doesnt want to be connected to any network, the SIM card is detected but the signal bar is empty (and internet doesnt work too).
I already tried several SIM card by another providers but still doesn't works.
Please help me ???
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Click to collapse
hey bro
i got this problem before.
the motherboard was broken...
so you have to connect sony support center to repair your phone.

hey bro i have same problem but connect and same time diconect network and phone reboot this brblm cause card sim is very slim not connect correctly i fix by add paper down card sim plz check if this proble becaus you change rom or you phone down if not worck or not you have this prblem change rom to SOV39 52.1.C.0.192 au and install patch oem xz3 and ainstall app hidden settign and chnage setting of lte wcdma and worck if not install the temproot and install module for change imei

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Dear Modders I know this is only HTC braned phones forum but please don't delete my post because this is not brand problem but common unlocking maybe somebody can help me here ...
After long time tests I came to on result.
My phones wi-fi not working becuse it's unlocked ant then I insert another sim card which is not working in my country and there is not GSM antena indicator on that time wi-fi starts working but then I put my normal sim card which is working in my country and phone getting signal from GSM network it blocks wi-fi and I can't use my wi-fi even after that when I insert back the other cart which don't have network coverege in my country again it's not working till I fully format phone from settings.
Please if someone can have solution with this post here or tell me how to fix this so have working phone wit wi-fi and gsm network togheter
is your phone rooted?
Rooted or not, try a Factory Reset. That might fix your problem. If its rooted, flash the rom again after doing a full wipe.
Dear nephron phone is rooted I tryed reflash rom many times and no success even after full wipe. I think my problem is that my phone unlocked with the code I get from T-mobile and when my phone uses GSM sim card and I am getting registred in gsm network wi-fi can't find any network but when I put other sim card which can't register in my country because of there is no network for that sim card that time wi-fi works perfect.
So by my understanding GSM signal is not letting wi-fi to work how to do that to get working togheter ?? and also I have some doubt about unlock code can t-mobile have to unlock codes for on IMEI one will unlock carreir and another will unlock all functions? or I am wrong?
Please is there any expert on this issue so can help me with this...
Here is the my boot.img file maybe this will help to fix my wi-fi problem. please some adnroid developers maybe can give a hint or help me to fix my problem..
http://rapidshare.com/files/326965977/mtd0.rar.html
I am having the same exact problem with motorola Cliq and don't know what to do. Have you come to a conclusion on what to do?
The routine of the error is exactly what happened to you.

cannot connect to network operator

i have used MSM 7227_SEMC unlock tool, everything was looking good and the ROM was succesfully installed with NAA kernel then i have insert my SIM card and now i cant connect to my network operator? Phone finds all network operators in my country but it tells me "unable to connect to this network at this time".
the phone was unbranded.
pls help
try other roms bro
Your problem here is that, you got the phone network unlocked with a certificate change, instead of an unlock code...you might want to go back to stock
Sent from my E15i using xda premium
Try choosing select automatically with your sim inserted. I have to do this and cant manually select or I get the same message as you. Hope all goes well.

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Hi gys! I need your help!!! I run official ICS on my LG P990 with my vodafone sim card.
I wanted to gift my phone but when i put cosmote sim(other network) phone doesnt see it, its like no sim card.
I enter menu to manually change the network to cosmote but says "sims doesnt allow it). Do you know whats happenig? It a hardware faulure or it is locked to a network? I already try (and payed too) to unlock my phone with code with no success.
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Is your phone network branded? If so you could download and install an European open stock rom and flash that to get around the network permissions.
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It was a hardware error! Sim card reader fails and i have replace it. Now everything working fine!
Now that it works well now, cong! I've meet this problem before and it was cause by the rom.

[Q] Sony Xperia Z is stuck in 2G-EDGE

Hello everyone! I'd like to know if any of you know why my Sony Xperia Z C6603 does not detect or does not want to connect to 4G LTE or networks above 2G-EDGE technology. It detects my home network as 2G but the rest it detects them as 4G or 3G, but because of my SIM card I can't switch to any of them of course :/ I've already flashed my phone with no positive outcome... The problem still persists. What can I possibly do?
Thank you all so much in advance for your help! Let me know if anything from my phone (like IMEI or other stuff) is needed to help fix this issue ^^
luihime said:
Hello everyone! I'd like to know if any of you know why my Sony Xperia Z C6603 does not detect or does not want to connect to 4G LTE or networks above 2G-EDGE technology. It detects my home network as 2G but the rest it detects them as 4G or 3G, but because of my SIM card I can't switch to any of them of course :/ I've already flashed my phone with no positive outcome... The problem still persists. What can I possibly do?
Thank you all so much in advance for your help! Let me know if anything from my phone (like IMEI or other stuff) is needed to help fix this issue ^^
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Have you tried different operator sim?
androidtweaker1 said:
Have you tried different operator sim?
Click to expand...
Click to collapse
Well I did try another SIM, but from my same carrier. I tested that Sunday when I took my phone to my carrier's offices to check if the problem was theirs. They put my SIM card in another phone and it worked on the other phone, while they put a test SIM card on my phone and it didn't work :/
I'll be attempting a bootloader unlock and a complete flash using Sony's EMMA with my phone and see if that solves the issue... I'd greatly appreciate any help I can get, I really don't know what else I can do.
luihime said:
I'll be attempting a bootloader unlock and a complete flash using Sony's EMMA with my phone and see if that solves the issue... I'd greatly appreciate any help I can get, I really don't know what else I can do.
Click to expand...
Click to collapse
Bootloader unlock is not necessary to flash stock firmware.
Just download firmware ftf file and flash it using flashtool
luihime said:
I'll be attempting a bootloader unlock and a complete flash using Sony's EMMA with my phone and see if that solves the issue... I'd greatly appreciate any help I can get, I really don't know what else I can do.
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Click to collapse
And you have correct network mode enabled in mobile networks settings? Do you have a correct version of phone for your operater network?
zviki said:
And you have correct network mode enabled in mobile networks settings? Do you have a correct version of phone for your operater network?
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Network mode is LTE yes, and even so, my phone should be able to connect to at least HSPA but it doesn't go through that even :/
luihime said:
Network mode is LTE yes, and even so, my phone should be able to connect to at least HSPA but it doesn't go through that even :/
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Ok... Just flashed with EMMA. Nothing, it's still the same. I did try another SIM card that didn't have LTE capability from another carrier and it did connect through HSPA+ and 3G, but with my SIM card it detects my home network as 2G, it should be letting me connect through HSPA like with my last Sony Ericsson phone, but nothing :/

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Hey Devs I want Your Help My Lumia 435 Is Always Showing No Service it Cant connect to sim carrier i Flash firmware,Soft reset ,Hard reset . i do everything i know plz help me to solve this
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Hey Devs I want Your Help My Lumia 435 Is Always Showing No Service it Cant connect to sim carrier i Flash firmware,Soft reset ,Hard reset . i do everything i know plz help me to solve this
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Click to expand...
Click to collapse
Did u check for sim module malfunction?
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