Xperia can't connect to 3G networks - Xperia Z Q&A, Help & Troubleshooting

Hello, I've just buyed an C6603 Xperia Z from the infamous Aliexpress, it arrived perfect, but at the beggining I saw that the phone just connected at 3g(Wcdma) if I put band mode on Wcdma only and made a networks search.
On chin of the phone, where it does have labelled the imei number, L36h is written on it, but on the sticker of the box it shows that is C6603 version that it would work just fine here in Spain. Also tried with different Fw's installed with FlashTool , such as C6603 .283, .230, and 4.2.2 Fw, and C6602 .283.
Don't know what the problem is here, if someone can help, I will be happy again.
Thanks in advance.

Anyone?

Related

[Q] Xperia ZL in Japan

It looks like Xperia ZL is not launching in Japan? Anyone knows if its true?
Don't even see it in their products lineup!! i'm looking forward to ZL and not Z
http://www.sonymobile.co.jp/product/
Sony's released plan of the devices is messed up. Everything they said on their announcements didn't come true. And yeah japan should also recieve Xperia ZL as sony did mention that both Xperia Z and ZL will be available on all southeast asian countries before european countries gets it. But look what's happening now. Europe has already demo units and released Xperia Z now but on Southeast Asia only japan got the Xperia Z release and only singapore got a demo unit with them. Rest of Southeast Asia has no news whatsoever about these devices. And yeah my most anticipated device "Xperia ZL" looks like got left out of the dark now also.
Will the ZL released in germany?
Japan.
Yeah.... no news from japan...
I think buy the sim free version from the net, n use it with the Japan's line is the best choice....
well...
armedzerox said:
Yeah.... no news from japan...
I think buy the sim free version from the net, n use it with the Japan's line is the best choice....
Click to expand...
Click to collapse
That will be great except even with a SIM Free phone you need to have the IMEI registered by Docomo to use it, and they won't register any device they haven't sold.
shiruba2013 said:
That will be great except even with a SIM Free phone you need to have the IMEI registered by Docomo to use it, and they won't register any device they haven't sold.
Click to expand...
Click to collapse
yup.... so we need to go to docomo to register the ZL IMEI id...
Didn't know Japan is that harsh here in Singapore, it's illegal for the carriers to lock the phones
Sent from my C6603 using Voldemort's nose

I got a Sony xperia Z c6602, but it does not work on 3gTmo?

hey guy, i just got my c6602. its specs should work with tmo 3g( hspa+).
but i cannot use it , however, i can use 2g only
any suggestion?
http://forum.xda-developers.com/showthread.php?t=2302949

[Q] Sony Xperia Z Models

Hi everyone,
I am new in this forum and I have a question regarding the Sony Z phone
From what I researched I found that Sony Z comes in 2 models C6603 and C6602.
My question is would it be possible to check the model on the phone itself?
I am trying to buy a use one from Craigslist.
Thank you in advance.
E39 said:
Hi everyone,
I am new in this forum and I have a question regarding the Sony Z phone
From what I researched I found that Sony Z comes in 2 models C6603 and C6602.
My question is would it be possible to check the model on the phone itself?
I am trying to buy a use one from Craigslist.
Thank you in advance.
Click to expand...
Click to collapse
Do you mean without turning it on?
You could check under settings/about if you can turn it on
Or on the very bottom of the phone in small lettering, over top of the barcode if you mean on the phone itself
E39 said:
Hi everyone,
I am new in this forum and I have a question regarding the Sony Z phone
From what I researched I found that Sony Z comes in 2 models C6603 and C6602.
My question is would it be possible to check the model on the phone itself?
I am trying to buy a use one from Craigslist.
Thank you in advance.
Click to expand...
Click to collapse
You have questions?
*#*#7378423#*#* -> Service Info -> Model info
or
*#*#7378423#*#* -> Service Info ->Software info -> Customization version
On the bottom of the phone, there's a barcode and some text. the first thing after "MADE IN CHINA" is the model numer, e.g. C6603
Hmmm, mine's actually C6616.

[Q] Is C6303 Xperia Z or not? C6603 vs C6303

Hello guys,
Does anybody know why i see infos about the therm "Xperia Z C6303" in internet, but on Gsm arena Xperia is called as C6603
Are they the same devices? Physical and on hardware too?
Thank you Renato.
Up?
i think they are both xperia z but different variants ,i think one is for the states whilst the other version c6603 is the international worldwide version

LTE problem with xperia ZR C5503 (baseband problem?)

Sooooo first, hello everyone !
After a fair bit of research and unsuccessfull attempt (several hours over a few days), i come to you to see if anybody can help me solve my problem.
Here is the main problem : I have just acquired C5503 white version with 32GB of RAM. It is supposed to be LTE and most of the information I can get about the LTE frequencies says that it supports LTE 800/850/900/1800/2100/2600 which is compatible with my carrier (Free mobile in France, 700/1800/2600) . I don't have the 700MHz band but it is not really deployed and I did not have it on my previous phone, which worked well in LTE. And, you guessed it, the phone is NEVER in LTE. I checked all the settings and whatnot also, they are okay. But data works well beside that.
My guess is that I don't have the good baseband version on my phone so here are the questions, knowing that the bootloader on my wperia ZR can NOT be unlocked ( ) :
1/How can I check I have the good baseband version
2/If i don't, is it possible to change it knowing that my bootloader cannot be unlocked (wanted to install cyanogenmod, so i checked) and how ?
Thank you all for reading,
Thomas.
Nevermind
Nevermind I got my answer, not the one i expected. My phone is a xperia A, the japanese version of the Xperia ZR. No wonder LTE don't work in France. The seller of the phone is just stupid.

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