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Possible to unlock bootloader of unlocked R800a?

Hi, I have checked around xda and have not found the answer to my question so my apologies if I missed it during my search. I have a Rogers branded R800a Xperia Play. I understand that carrier locked plays can not have the bootloader unlocked. However, I have found someone who can carrier unlock my phone for me (Use it on foreign networks). If I get my phone carrier unlocked would that allow me to unlock the bootloader myself or do I have to go through someone like Alejandrissimo to properly unlock the bootloader? Thank you!

Only factory unlocked plays can use the official unlock method, if you paid to get your device sim unlocked, you would still have to pay for a remote bootloader unlock.
By the way, when you pay for a bootloader unlock, it also sim unlocks the device, so paying for a sim unlock first is a waste of money.
Sent from my R800i using Tapatalk

Ok thanks for your help, I guess I'll pony up the cash to get the bootloader unlocked remotely.

[Q] Sim/Bootloader Unlock

Hai!
I have a question:
I have a Xperia Play that is Sim Locked and so i cant unlock my Bootloader.
My question is, if i pay my cellphone company to Sim unlock my Play, will i be able to unlock my bootloader after that? Or unlocking the bootloader only works on phones that are native sim unlocked?
Thanks!

It is still possible to unlock the bootloader of your phone as I have a sim locked phone but unlocked it and unlocked the bootloader altough to do this you are going to have to sim unlock your phone with a software like omnius which uses a testpoint connection which gives you the option to unlock the bootloader of your phone it will not work if you unlock your phone using a unlock code.
Sent from my R800i using XDA App

(Q)Sim unlock

Hy sorry for this stupid question but i used the searck but I don't finde any ansver for it....
So SIM unlock is same with BL unlock or it is only a Sim unlock.. ??? I mean if I do thishttp://www.fastgsm.com/en/sonyericsson/se/xperia-arc-s/unlock-network/flashing-debrand(the first option)(buy it and do this) my BL is unlocked too ??????

SIM unlock is not the same as bootloader unlock.
SIM unlock just unlocks phone so you can put different SIM cards in phone.
Bootloader unlock allowed you to install custom roms, and other mods.
To unlock phone you can use test point method then this will unlock SIM and bootloader.
Sent from my LT15i using xda premium

Question for Omnius :)

I have Sim lock Xperia Arc S and in service info is bootloader unlock allowed: no .. i want to unlock my bootloader to flash custom kerlners i will buy Single unlock licence for omnius and what should i chose : Unlock network lock by certificate replacement or Unlock bootloader ? i just want to install CM 10 ... I HOPE THAT SOMEONE CAN ANSWER MY QUESTION

can someone answer please )

"Unlock network lock by certificate replacement" as you are stuck with your network sim..once u r free u can unlock bootloader from sony official way..

arpith.fbi said:
"Unlock network lock by certificate replacement" as you are stuck with your network sim..once u r free u can unlock bootloader from sony official way..
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i got different answer to chose unlock bootloader and it will unlock my bootloader and sim unlock my phone

MarioJerkovic said:
i got different answer to chose unlock bootloader and it will unlock my bootloader and sim unlock my phone
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Click to collapse
if you are getting both bootloader and sim unlocked then it is well and good. I thought you had t choose between bootloader unlocking and sim unlocking. Coz bootloader unlocking is very simple compared to sim unlocking.

arpith.fbi said:
if you are getting both bootloader and sim unlocked then it is well and good. I thought you had t choose between bootloader unlocking and sim unlocking. Coz bootloader unlocking is very simple compared to sim unlocking.
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aha ... Thanks i choose both because i only want CM10 nothing else for that i need to flash a custom kerlner so i need enabled fastboot

[Q] How I can unlock my bootloader ? HELP

Hi everyone ! I have a Xperia Arc LT15i and I found out using *#*#7378423#*#* that I cannot unlock bootloader (Bootloader unlock allowed: No). How I can unlock my bootloader because I want a ROM like CM9 or JJ's Hybrid and it`s must to have bootloader unlock. Please help me with unlocking the bootloader, or please help to find a ROM like CM9 without unlock my bootloader. I want to say that I am not very skilled Waiting for more tips.

download flashtool then Plug in > unlock bootloader
it will guide you to sony's web page, copy paste the code and let flashtool unlock it

Actually JJ's ROM doesn't require an unlocked boot loader.
Sent from my Xperia arc S

If you have bootloader unlock allowed:no standing, then you can't unlock it with Sony service, because your IMEI number is then 15 symbols long, so no way for unlocking bl without paying for services like setool
Sent from my LT18i using xda premium

Hi,
If you have bootloader unlock allowed:no , you can unlock it with Omnius :laugh:, but is not free, 15€/unlock .
I unlocked my LT15i with Omnius, I had "unlock allowed:no" before.

So .. I can't unlock my bootloader, only if I paid :crying:

Setool & Omnius links?
you guys got any links related to this Omnius and Setool things? or other alternatives for Xperias stating that unlocking bootloader is not allowed?.. I had thought that if they say so, it was just impossible to unlock...

Unlock for free
dns.vlad said:
So .. I can't unlock my bootloader, only if I paid :crying:
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Click to collapse
No... you can do it for free like what i did... go to sony unlockbootloader web site and it will give you a step b step guide...

Omessy7 said:
No... you can do it for free like what i did... go to sony unlockbootloader web site and it will give you a step b step guide...
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Click to collapse
Yes... If unlock bootloader allowed : yes in service menu, but dns.vlad have not allowed unlock bootloader, as me.
Sent from my LT15i using xda app-developers app

just go here unlockbootloader.sonymobile.com

I'm starting to get angry I said and ludz179 in answer above you I can not unlock the bootloader so because the Service Info says Bootloader unlock allowed: No

was only giving info you say your phone says cannot unlock boot loader then from wat iv seen there is no way to unlock it.
but there is lots of roms out there that run well on none unlocked bootloaders and using new flashtool seems easy plus using DooMLoRD to root the phone .. I think the only way to do it would be to send it to sony service to unlock but knowing them you go no chance
just trying to help thats all

Can't help enquiring.You mention that there are several roms that are available which does not need to have the bootloader unlock.Could you give me the links please.
Sent from my LT15i using xda app-developers app
Sorry,found it.2 threads down.Thank you.