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[A] how to fix no network signal after unlocking

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By mhieyato, Junior Member on 15th October 2011, 08:35 AM
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i know some of you have this problem and worries that something wrong happend during the process of unlocking your phone. well that's the same thing i was thinking about 3 days now and trying to figure it out how to fix this. i just a noobie here and new for all this android thingy but i guess im just lucky fixing it.
by reading again the thread of how to unlock. it mention there that your phone might have a sim lock. this might be the problem so i search some thread related to this and guess what a found the answer!

now here's how to fix it.

1. after unlocking your phone using msm7227_setool2. check if you have network signal so you won't do the step 2 of this thread.
2. now if there's no signal, open again your msm7227 folder (which is the unlock bootloader tool) and you will see there's another tool which is ms7227_semc.
3. put to debugging mode then connect your usb to your PC.
4. run the ms7227_semc and wait till it done.
5. reboot your phone and you already have network signal again.

i hope that this help you specially for those who are new to this kind of stuff..
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19th October 2011, 07:19 PM |#2  
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it really work....thx a lot..my phone have the signal back again...
19th October 2011, 07:27 PM |#3  
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U mean that it supposed to have a weak signall,or no signal at all?

Sent from my Xperia X8 using XDA Premium App
20th October 2011, 04:50 AM |#4  
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you may try it too. but most of the time after unlocking have no signal at all because of the sim-Lock.
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8th January 2012, 08:19 AM |#5  
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@mhieyato : if unlocking using msm7227_setool2 i put to debugging mode or NOT, if not to put debugging mode that tools can't running or stuck in " getting ROOT rights"...

Please explain step by step master...
8th January 2012, 04:11 PM |#6  
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Quote:
Originally Posted by mhieyato

i know some of you have this problem and worries that something wrong happend during the process of unlocking your phone. well that's the same thing i was thinking about 3 days now and trying to figure it out how to fix this. i just a noobie here and new for all this android thingy but i guess im just lucky fixing it.
by reading again the thread of how to unlock. it mention there that your phone might have a sim lock. this might be the problem so i search some thread related to this and guess what a found the answer!

now here's how to fix it.

1. after unlocking your phone using msm7227_setool2. check if you have network signal so you won't do the step 2 of this thread.
2. now if there's no signal, open again your msm7227 folder (which is the unlock bootloader tool) and you will see there's another tool which is ms7227_semc.
3. put to debugging mode then connect your usb to your PC.
4. run the ms7227_semc and wait till it done.
5. reboot your phone and you already have network signal again.

i hope that this help you specially for those who are new to this kind of stuff..



Hey, what if my phone still have no signal ? Could you show me the whole tutorial? I use the ms7227_semc but when its nearly done , the ms7227_semc suddenly shut down. Could you please help me? I want my x8 back :'(
14th February 2012, 06:32 PM |#7  
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Unhappy
why it doesn't work for me? when running msm phone reboots, and this:
process requires standard 2.x android firmware.
Press any key to continue . . .
Getting ROOT rights.
3487 KB/s (585731 bytes in 0.164s)
Failed to set prot mask (Inappropriate ioctl for device)
Waiting ...
Removing NAND MPU restrictions via SEMC backdoor. Permanent. Require ROOT rights
.
430 KB/s (3087 bytes in 0.007s)
success
Waiting ...
Getting ROOT rights.
Failed to set prot mask (Inappropriate ioctl for device)
Waiting ...
Writing patched semcboot. Two step process
First, we need get access to semcboot area
874 KB/s (8064 bytes in 0.009s)
insmod: can't insert '/data/local/tmp/mapper_2.6.29.ko': invalid module format
Second, we need to write semcboot
3643 KB/s (596916 bytes in 0.160s)
can't find userdate partition
Press any key to continue . . .
B.Jay
14th February 2012, 06:35 PM |#8  
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Quote:
Originally Posted by jjumphard

why it doesn't work for me? when running msm phone reboots, and this:
[...]
Failed to set prot mask (Inappropriate ioctl for device)
[...]
insmod: can't insert '/data/local/tmp/mapper_2.6.29.ko': invalid module format
[...]

As a wild guess I'd say you're not on Stock Kernel/ROM but some custom kernel/ROM.
Restore back to Stock Kernel/ROM.

EDIT: Oh wait, you're from the Unlocking Guide ... *should ID nicknames first*

Well, this can now be interesting to see if you can manage to unlock the boot loader again with nAa's Kernel flashed - as there's also no way to go back to Stock Kernel (through Flashtool, PCC, SEUS) while the boot loader is locked. :s
14th February 2012, 10:56 PM |#9  
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it works!

thanks a lot!
10th March 2012, 09:13 AM |#10  
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Quote:
Originally Posted by mhieyato

i know some of you have this problem and worries that something wrong happend during the process of unlocking your phone. well that's the same thing i was thinking about 3 days now and trying to figure it out how to fix this. i just a noobie here and new for all this android thingy but i guess im just lucky fixing it.
by reading again the thread of how to unlock. it mention there that your phone might have a sim lock. this might be the problem so i search some thread related to this and guess what a found the answer!

now here's how to fix it.

1. after unlocking your phone using msm7227_setool2. check if you have network signal so you won't do the step 2 of this thread.
2. now if there's no signal, open again your msm7227 folder (which is the unlock bootloader tool) and you will see there's another tool which is ms7227_semc.
3. put to debugging mode then connect your usb to your PC.
4. run the ms7227_semc and wait till it done.
5. reboot your phone and you already have network signal again.

i hope that this help you specially for those who are new to this kind of stuff..

hi, i have a question about this fix, i unlocked a Xperia X8 (E15a) with octopus suite and then ''no service'' this post work for me? thanks for your help.
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8th April 2012, 05:07 AM |#11  
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yey it worked for me.. after 1 year of giving up on my xperia, i found this post then i thoght why not give it a shot.. then boom it worked.. thanks for the post ^_^
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