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[Completed] [Q] Xperia SP C5303 how to unlock bootloader

So I have Xperia SP C5303 rooted with towelroot and have xposed installed. And now I want to install a cm11 Rom or something similar. I found some for locked bootloader, but I think its better to unlock it and install Rom normally.
So my question is how to unlock my Xperia bootloader if it says "allowed:NO" but not sim-locked?
Some pic's I think that can help.

Hi,
Here is a tutorial on that for your device,
http://forum.xda-developers.com/showthread.php?t=2354721
You can ask for help in the thread if needed.
Good luck!

d6633 with unlock bootloader

Hi there anyone could help me here? I am looking for Z3 dual users who already unlocked their bl and have root. Maybe you can help us here. There's a tool being developed that would help obtain root to users who have lock BL and the dev needs some data to make it compatible with z3 dual. Please post here if you're willing to help. Hope someone would participate for this good cause
Sent from my D6633 using XDA Free mobile app

I am using the Chinese version z3 dual. Model l55u, but not unlock, ask others to help

Anyone with unlock bootloader Z3 dual so that we can assist in making the root tool conpatible with our device? Please contact or post here.
Sent from my D6633 using XDA Free mobile app

I likeI the lineage 15.0 on z3 dual please check clock bags when I reboot I have to set clock again

[Q] Need help: Losing wifi and 3G after root ( D6633: 23.0.1.F.0.96 )

Hello,
I have Xperia Z3 Dual D6633
I unlocked the bootloader and rooted my phone with this tutorial:
youtube.com/watch?v=iPTAwjXE8ik
The only step i made and i think it caused the problem was that i downloaded and used (KERNEL IMAGE D6633 23.0.F.1.74) which is different of the one i have (D6633 23.0.1.F.0.96)
After finish all steps, I losed my wifi and 3G connexions
Please i need a solution for this problem.

Joe4200 said:
Hello,
I have Xperia Z3 Dual D6633
I unlocked the bootloader and rooted my phone with this tutorial:
youtube.com/watch?v=iPTAwjXE8ik
The only step i made and i think it caused the problem was that i downloaded and used (KERNEL IMAGE D6633 23.0.F.1.74) which is different of the one i have (D6633 23.0.1.F.0.96)
After finish all steps, I losed my wifi and 3G connexions
Please i need a solution for this problem.
Click to expand...
Click to collapse
This is a question and belongs in Q&A section. Reported.
Other then that, just install the kernelb that belongs to your firmware. And if you use a custom firmware make sure you check the kernel thread

developers where are you???

how i install custom rom and how to unlock bootloader of driod ultra i already try the way which provided from motrola on their website but they say device cant be unlocked then i think that xda has developers so plz help me soory my english is so weak...
I have rooted motorola driod ultra device on 4.4.4 kitkat
system version is
24.13.2.obake_verizon
build number
su6-7.2​

Hi,
Sorry, no bootloader unlock for you, with the SW version you have.
Only partial root (write protection is still on) is possible.
Sent from my XT1080 using XDA Free mobile app

Root junky
jokerBECOMEdeveloper said:
how i install custom rom and how to unlock bootloader of driod ultra i already try the way which provided from motrola on their website but they say device cant be unlocked then i think that xda has developers so plz help me soory my english is so weak...
I have rooted motorola driod ultra device on 4.4.4 kitkat
system version is
24.13.2.obake_verizon
build number
su6-7.2​
Click to expand...
Click to collapse
Do a google search for 'rootjunky' and he does have a video that outlines the current method where you intentionally brick your phone and use 'Python' to sneak in through the back door. I have not tried it out though.

Any ROMs being made for obake besides CM anymore?

SONY XPERIA Z5 E6653 - simlock by Flashtool by Androxyde 0.9.22.3

Hello to everyone..
Sony mobile flasher simlock option killed my sony xperia Z5 sim service.... bad mistake by me
Basically i bought a second hand sony xperia Z5 locked to O2 UK- first i wanted to upgrade the firmware and i have installed sony mobile flasher 0.9.23.2 and all the drivers to my laptop and downloaded the latest firmware everything was on right way to complete the firmware upgrade but before i proceed i saw the simlock option and i choosed it in order to remove the o2 network lock from the phone, i thought i could get 2 things done if i was lucky but i did not think choosing this option would of kill the phones network function. unfortunately after completing the flash i cannot use the device as a phone as it says no sim service, i can see the imei number and use other things on the phone like wifi etc... but cannot make calls.
After making some google search unfortunately i wasnt able to find any solution for this issue. Is there anyone on this forum have had this problem or can anyone advice me what to do please?
thanks.

sorry to hear that dude dont think the sim unlock works for this model hope u can get it sorted

vibealite said:
sorry to hear that dude dont think the sim unlock works for this model hope u can get it sorted
Click to expand...
Click to collapse
thanks..
still hoping some genius people on xda forum will help me

Lionking78 said:
thanks..
still hoping some genius people on xda forum will help me
Click to expand...
Click to collapse
fingers crossed dude

Hi, have you tried to unlock the bootloader and reflash stock firmware using the flashtool from flashtool.net and xperifirm?
Or you could follow this step by step and see if that helps. https://forum.xda-developers.com/xperia-z5/general/ftf-e66xx-patched-kernels-google-drive-t3688365