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[Tutorial] Xperia Z & ZL Bootloader Unlocking/Relocking

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By DooMLoRD, Recognized Developer on 17th February 2013, 11:18 PM
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22nd February 2013, 01:59 PM |#41  
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Quote:
Originally Posted by stryker.jp

now i'm not so keen to buy the XZ, since it will never be unlocked...
what should i do...

Import one. There sure will be unlocked ones available.
 
 
23rd February 2013, 01:20 PM |#42  
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Quote:
Originally Posted by schaggo

Theres probably your reason. NTT DoCoMo. Carrier-implied lock. As always, buy free devices and stay away from carrier-subsidized and branded phones.

Don't know if that's standard in Japan but i bought the XZ from Vodafone (Germany) and the bootloader isn't locked.
24th February 2013, 11:28 AM |#43  
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i'm wondering the german user manual says nothing about the led and message information only about charging status
24th February 2013, 11:53 AM |#44  
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Quote:
Originally Posted by bbuske

i'm wondering the german user manual says nothing about the led and message information only about charging status

You're reading manuals?

Never ever had a look inside them
25th February 2013, 12:42 PM |#45  
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I am new to Sony phones but experienced on HTC. Does Sony use S-ON/S-OFF like HTC does or is a rooted Xperia Z simply just s-off? I´m thinking of getting one onstead of my One X
25th February 2013, 12:46 PM |#46  
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Quote:
Originally Posted by lindahl85

I am new to Sony phones but experienced on HTC. Does Sony use S-ON/S-OFF like HTC does or is a rooted Xperia Z simply just s-off? I´m thinking of getting one onstead of my One X

when u unlock bootloader of Xperia devices, it is similar to S-OFF...
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25th February 2013, 12:46 PM |#47  
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AW: [Tutorial] Xperia Z & ZL Bootloader Unlocking
Mixed thing, I believe, as sony uses different concepts. S-ON/S-OFF prevents flashing stuff using a custom recovery, correct?

Edit:
I can give you information which I know from the Xperia T, a device which applies the same concepts as the Z. Everything which applies to the T will eventually, most likely, also apply to the Z once the exploits to obtain root are found.
Ok, so, a locked bootloader prevents you running custom kernels and an custom recoveries "natively", meaning on a locked device you cannot natively boot a custom recovery. It's comparable to S-ON I believe. On the T devs managed to circumvent this by obtaining root on a locked device and then used root acces to modify the chargemon script which is run upon booting the device to make it load a custom recovery additionally to it's intended function. The recovery is not flashed on a separate partition but deposited on /system as an archive. The script simply unpacks and loads it. Because the recovery runs with root permissions, you can then use it to flash stuff despite having a locked bootloader.

On an unlocked device, you can flash any compatible kernel and recovery and also natively boot them. An unlocked bootloader means full and unlimited access to the device.
Last edited by schaggo; 25th February 2013 at 12:56 PM.
25th February 2013, 12:50 PM |#48  
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Quote:
Originally Posted by schaggo

Mixed thing, I believe, as sony uses different concepts. S-ON/S-OFF prevents flashing stuff using a custom recovery, correct?

yes... with S-OFF u can flash radio and kernel in recovery...


on Xperia devices with unlocked bootloaders u can flash kernel in recovery... we never really tried flashing RADIO image (baseband) but i guess it should work...
25th February 2013, 01:00 PM |#49  
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Quote:
Originally Posted by DooMLoRD

yes... with S-OFF u can flash radio and kernel in recovery...

This is what i miss most with my One X device.
25th February 2013, 01:05 PM |#50  
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Quote:
Originally Posted by schaggo

On an unlocked device, you can flash any compatible kernel and recovery and also natively boot them. An unlocked bootloader means full and unlimited access to the device.

yes precisely...


Sony have opened up the devices lot more after the 2011 devices...
25th February 2013, 01:12 PM |#51  
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Question New on Sony Devices
I have read within the 1st thread :

First, you should confirm that it is possible to unlock the boot loader of your phone by checking the service menu. In your phone, open the dialler and enter *#*#7378423#*#* to access the service menu.

In your phone, tap Service info > Configuration > Rooting Status. If Bootloader unlock allowed says Yes, then you can continue with the next step. If it says No, or if the status is missing, your device cannot be unlocked.

I am in the case which says NO !

So, and if I well understood, it will not be possible to Unlock Bootloader so :
- Impossible to have Root ?
- Impossible to flash Custom ROM (when they will come) ?
- Locked, Locked for ever or possible (on day) by using another way ?

Sorry for noob question, but I am new on Sony devices (used to play with the HTC before (DHD, HD2, then Evo3D).

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