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Signal problem

Hi , my friend asked me if I can unlock her X8 from T-mobile . After few theards on this x8 forum I thinked I can . I rooted the phone , installed cwm recovery , unlocked the bootloader and flashed nAa kernel, and I flashed a CM7 rom. The phone ask for pin code with an O2 SIM but there is no signal at all and a small icon like sim erro or something like that, When i go to settings and research for networks an try connect to o2 there is a message (cant connect to network). I read somewhere that relock the bootloader would help. Thanks .
AND I´am not such a noob, i had 3 android phones all were rooted , now I have an I9100(Galaxy s2) and i unlocked the phone.
Ehw, sorry wrong thread , can someone redirect it to Q and A

I don't think that if you unlock BT it will Sim Unlock phone. It only allow you to use Custom Kernel. Correct me if I'm wrong
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Unlocking Bootloader or relocking it won't sim unlock ur phone.
Also flashing custom recovery or custom rom won't help.

you sure you using the right kernel? check the date under the battery first, then use this tutorial: http://forum.xda-developers.com/showthread.php?t=1254225

same error
Hey, my x8 has no 3g signal after official update, i think that maybe because he is imported. Anyway, i changed basebands in this new version( 2.1.1.a.0.6) and no 3g, update to 2.1.1.C.0.0 and all basebands and nothing 3g. I want the 2.0.2 firmware to install.
And i think that your problem dude, your version isn'r compatible with your signal, u will ahve to install another version

[Q] Xperia X8 Unlock-Sim question.

Hello! I'm sure I have read a post on the forums about this a few months back but cannot find it for the life of me so apologies if its been asked already....
I want to sim-unlock my SE x8 E15i. The phone was running custom kernel and ROM (with unlocked bootloader).
I've now restored the phone to stock (both kernel and rom) and relocked the bootloader - Its nowe back to "factory" settings.
I'm now ready to call and pay my provider for the sim-unlock code....
My question is, once the phone has been SIM-unlocked am i free to unlock the bootloader to flash kernels and roms WITHOUT loosing the sim-unlock which i have paid for.
I've tried to find out more about how the IMEI number and the unlock code behave (e.g. where the unlock code is saved to. Im not sure if it's in the bootloader. If it is will unlocking the bootloader mess up the unlock codes? etc).
Many thanks in advance.

Help me!! I lost the signal

Hi all, I have the following problem, I have released my x8, and wanted to unlock the bootloader and signal loss, no way to recover the signal and have the bootloader unlocked?

xperiafan13 said:
Hi all, I have the following problem, I have released my x8, and wanted to unlock the bootloader and signal loss, no way to recover the signal and have the bootloader unlocked?
Click to expand...
Click to collapse
I don't think so.
U have to flash back to stock 2.1 (repair or flash stock via flash tools)
Next time when u wanna unlock, make sure that u remove sim-card
sent using" ultimate - ics - standard"

jay-z-s said:
I don't think so.
U have to flash back to stock 2.1 (repair or flash stock via flash tools)
Next time when u wanna unlock, make sure that u remove sim-card
sent using" ultimate - ics - standard"
Click to expand...
Click to collapse
mmm ok thanks!!!!! ANY ANSWER?

i also experience that last yesterday.
i fixed it by relocking and unlocking bootloader.
minimum edition

thanks but
playjun said:
i also experience that last yesterday.
i fixed it by relocking and unlocking bootloader.
minimum edition
Click to expand...
Click to collapse
Your phone was sim unlocked? If I do what you say ... can I have my bootloader unlocked?

yes i got sim locked. i try to unlocked it.(failed)but i forgot that im on custom rom.so i got lost my network.
so i try to relocked bootloader again.and unlocked.great i got the network again.
if your on locked bootloader.maybe try to reflash it again using pcc.
minimum edition

THANKSs
playjun said:
yes i got sim locked. i try to unlocked it.(failed)but i forgot that im on custom rom.so i got lost my network.
so i try to relocked bootloadet again.and unlocked.great i got the network again.
if your on locked bootloader.maybe try to reflash it again using pcc.
minimum edition
Click to expand...
Click to collapse
Thank you very much, in a few days I command compose usb port and try and do, I thank you, dying to have alfs 09c ....

CANNOT UNLOCK BOOTLOADER please help

hey i cannot unlockbootloader in service info bootloader not allowed which frimeware i can unlock bootloader?

hi there,
if the phone says in the service menu bootloader unlock allowed no means it cant be unlocked but that means you can still install a custom rom which should say LBL rom. Follow this guide: http://forum.xda-developers.com/xperia-sp/general/guide-flashing-custom-roms-ultimate-xsp-t2888579

nandan21 said:
hi there,
if the phone says in the service menu bootloader unlock allowed no means it cant be unlocked but that means you can still install a custom rom which should say LBL rom. Follow this guide: http://forum.xda-developers.com/xperia-sp/general/guide-flashing-custom-roms-ultimate-xsp-t2888579
Click to expand...
Click to collapse
Go to Xperia website, and search Unlock Bootloader, there you can select Xperia SP and see the number code type it on your cell phone to see if your cell can unlock the bootloader ( My English is more less bad, sorry for this I am Brazilian )

nandan21 said:
hi there,
if the phone says in the service menu bootloader unlock allowed no means it cant be unlocked but that means you can still install a custom rom which should say LBL rom. Follow this guide: http://forum.xda-developers.com/xperia-sp/general/guide-flashing-custom-roms-ultimate-xsp-t2888579
Click to expand...
Click to collapse
If it says "no." you can't unlock it. You can install custom ROMs as long they are stated that are for Locked Bootloders. Do not attempt to flash a ULB ROM onto a Xperia SP with a LBL because it will soft brick your phone. Attempting to unlock the bootloader when the the status says "no" it's not recommendable and could hard brick your phone.

nandan21 said:
hi there,
if the phone says in the service menu bootloader unlock allowed no means it cant be unlocked but that means you can still install a custom rom which should say LBL rom. Follow this guide: http://forum.xda-developers.com/xperia-sp/general/guide-flashing-custom-roms-ultimate-xsp-t2888579
Click to expand...
Click to collapse
As mentioned above, if the phone says "no" or doesn't say anything at "bootloader unlock allowed:" thing, then there's no way around that. You can still get custom roms though. There are some roms that will work with locked bootloaders.
Pro tip: Always buy generic phones if you want the best from xda. Always check what you're going to buy.

So I cant unlock bootloader :(

As the title of thread says, I cant unlock bootloader (bootloader unlock allowed: no)
I have rooted and got custom recovery and flashed a modded stock rom, but I now want to flash cm or rr rom and both require bootloader unlocked.
Is there a workaround or something as its silly that I cant unlock officially (I have code from sony but it wont work)
please help

Bump anyone

I'm in the same boat, bootloader unlock not allowed. Unfortunately it seems that the only way that might be possible is through Sony.
Kinda sucks as there's some roms I'd like to try..

Thanks for the reply, thats a shame looks like I have to stick with modified stock roms
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