Any 5.x ROM for Locked-Bootloaders - Xperia SP Q&A, Help & Troubleshooting

Hi,
My Xperia SP has a locked bootloader, and cannot be unlocked.
I have rooted the device already.
I am looking for a ROM which is Android 5.0 or above, which I can use on a locked bootloader.
I saw VanirAOSP but that looks to no longer be available, the 5.1..1 download link just hangs.
Appreciate if anyone can advice me of one.
Also, I do need the camera and the phone to be working, I was reading on some Cynogenmod based ones but read that the phone didn't work, which would be no use to me.
Thanks

nudr01d said:
Hi,
My Xperia SP has a locked bootloader, and cannot be unlocked.
I have rooted the device already.
I am looking for a ROM which is Android 5.0 or above, which I can use on a locked bootloader.
I saw VanirAOSP but that looks to no longer be available, the 5.1..1 download link just hangs.
Appreciate if anyone can advice me of one.
Also, I do need the camera and the phone to be working, I was reading on some Cynogenmod based ones but read that the phone didn't work, which would be no use to me.
Thanks
Click to expand...
Click to collapse
http://forum.xda-developers.com/xperia-sp/development/xperiasp-locked-bootloader-lbl-t3300095
gsm doesn't work ..and still there is no ROMs based on cm12.1 lbl tree ....so u guys should wait ...and i think deves are waiting the gsm to be fixed to build for lbl

Related

[Q] T-Mobile Xperia Z - Rooting/Roms

I'm new to the xperia z and want to know how to go about rooting and flashing roms for this phone.I understand the bootloader is locked..what are the rom's available for the tmobile/u.s variant of the phone?
marcviado said:
I'm new to the xperia z and want to know how to go about rooting and flashing roms for this phone.I understand the bootloader is locked..what are the rom's available for the tmobile/u.s variant of the phone?
Click to expand...
Click to collapse
As long as the ROM is based off of stock Sony firmware you are good. Look for the "LB" (lockedbootloader) tag withing the ROM title, and you should also see instructions if you have a LB.
Dhickory said:
As long as the ROM is based off of stock Sony firmware you are good. Look for the "LB" (lockedbootloader) tag withing the ROM title, and you should also see instructions if you have a LB.
Click to expand...
Click to collapse
Thankyou..how about rooting? Again I have a tmobile C6606 on 10.3.1.E.0.191 I saw couple root methods but not sure if my device is supported. I've been seeing lots of I bricked my device thread so just trying to be cautious
marcviado said:
Thankyou..how about rooting? Again I have a tmobile C6606 on 10.3.1.E.0.191 I saw couple root methods but not sure if my device is supported. I've been seeing lots of I bricked my device thread so just trying to be cautious
Click to expand...
Click to collapse
I can't remember what t-mobile firmware I was on (6 months ago) when I rooted, but I know I used a @DooMLoRD method...I think this one (http://forum.xda-developers.com/showthread.php?t=2386405)
You can always use flashtool to install a generic .67 FTF, then root and install recovery. This is the safest way to go, but you will lose t-mobile specific functions like wifi calling, but also t-mobile bloat. If you are looking to install a custom stock ROM then you will be losing these functions anyways.
Just make sure you get the latest flashtool and drivers - http://forum.xda-developers.com/showthread.php?t=2635830.
EDIT: Actually I believe I used this method (http://forum.xda-developers.com/showthread.php?t=2327472) to root as I was on the .166 firmware. The method above is what you want as .67 is what you'll need if making the jump to 4.3.

Odd way to unlock bell xperia z or t-mobile xperia z bootloader?

Hey guys,
I own both the bell version of the xperia z, and the T-Mobile version. I ONLY want to use them as glorified tablets. Basically like the Ipod touch version of the iPhone, I want to use them unactivated. For me, its all about customibility and I really want to unlock the bootloader. I know neither of these can be unlocked, but in theory, if i wrote the software of the global unlockable versions (c6602/c6603) which DO allow for unlocked bootloader, would I be able to do it? I know signal would be screwy with the radios, but i dont care since thats irrelevant to me. Any help would be great, thanks guys.
ronin8knight said:
Hey guys,
I own both the bell version of the xperia z, and the T-Mobile version. I ONLY want to use them as glorified tablets. Basically like the Ipod touch version of the iPhone, I want to use them unactivated. For me, its all about customibility and I really want to unlock the bootloader. I know neither of these can be unlocked, but in theory, if i wrote the software of the global unlockable versions (c6602/c6603) which DO allow for unlocked bootloader, would I be able to do it? I know signal would be screwy with the radios, but i dont care since thats irrelevant to me. Any help would be great, thanks guys.
Click to expand...
Click to collapse
Short answer: Never going to happen.
So its impossible to write c6602/3 software to it? Longer answer would be nice : P
ronin8knight said:
So its impossible to write c6602/3 software to it? Longer answer would be nice : P
Click to expand...
Click to collapse
Sorry, you can't unlock the bootloader if a device says: "bootloader unlock allowed: no" which is if you have a branded device. If you try it, you'd better throw it away.
If u can root everything is possible. As long as there's someone who provide geeky solutions
And under your situation u don't need flash different rom as there's a way to install recovery without unlocked bootloader in rooted phone.
Sent from my LG-P880 using Tapatalk
hey, thanks a ton for the responses guys! So, is there ANY possible way I can get cyanogenmod installed on either my c6616 or c6606? (Bell and t-mobile)w
I don't have your phones so I cannot guaranty but you can try my method.
I got a c6603 from vodafone, and use ota to update to 4.3.
Since the 4.3 cannot root and I dont want unlock bl. so I use these steps
1. downgrade phone by flashtool to a version which can be rooted.
2. root
3. install recovery in locked BL:
http://forum.xda-developers.com/xpe...cked-bootloader-cwm-recovery-6-0-2-8-t2187363
4. Choose whatever rom you like and flash it.
DONE!
You cannot use custom kernels on a locked bootloader, so you cannot run CM, PA, AOSP etc.
Stock based roms only. There's no way around it.
Sent from my C6603 using Tapatalk
Awesome tips guys! Got recovery working and its all good- just ONE last thing:
are there any vanilla style roms out there like cyanogen that are stock based? I just want my pure android with some nice customizable features, no kernel updates or anything. Can you suggest any?

[Q] TMOBILE 6606 upgrade possible?

Does anyone know if TMobile brand Sony Xperia Z able to flash the other ROMs. I know it's BL and will lose TMO Wifi call function. But TMO stop at 4.3, and I cant see any hope for 4.4, 5.0. Is possible to flash other ROMs? Thank you.
Yes, you can.
foxhsu said:
Does anyone know if TMobile brand Sony Xperia Z able to flash the other ROMs. I know it's BL and will lose TMO Wifi call function. But TMO stop at 4.3, and I cant see any hope for 4.4, 5.0. Is possible to flash other ROMs? Thank you.
Click to expand...
Click to collapse
WIFI calling function will not work ofcourse but if you are not satisfied you can flash stock firmware anyday using XPERIA FLASH TOOL. You need to unlock the bootloader using official Sony Method. If you can unlock the BL which I was able to.
Then you can download and install Cyanogenmod 13,12,11,10. (C6603) - Yes, it has issues, so I switched to.
SlimKat 4.4.4 - YUGA (C6606) - NO BUGS AT ALL.
Also do remember to flash SGAPPS from their repository no the opengapp.org gapps.
Big difference I found is that Stock OS on new flash takes around 500-700MBs of RAM where SlimKAT takes only 350MB w/o GAPPS and 500MBs GAPPS.
Good luck! I will show you screenshots
muhammadahmadmujtaba said:
You need to unlock the bootloader using official Sony Method. If you can unlock the BL which I was able to.
Good luck! I will show you screenshots
Click to expand...
Click to collapse
What is the official Sony method to unlock the C6606? And can you post screenshots?
ecarlson said:
What is the official Sony method to unlock the C6606? And can you post screenshots?
Click to expand...
Click to collapse
The official tutorial is over here: https://www.youtube.com/watch?v=jWPYicb8_-Q
I guess that means there's still no way if your C6606 says "Bootloader unlock allowed: NO".

downgrade from lollipop

Hi, I have been using moto x gen 1 from a year . i have observed that the performance of the phone has gone down after upgrading the phone to lollipop 5.1 (official). I used to get free RAM of about 1gb or more when no apps are running in background initially (in kitkat and jellybean). Now after lollipop update i get only 500 to 600 mb free ram. Also battery life has become pathetic. battery doesn't even last a day. i get screen time of max 2 to 2.5 hrs. So please some one suggest a method to downgrade the software from lollipop to jellybean.
Awaiting response......
Give CyanogenMod 12.1 Rom a try. It feels much lighter and battery friendly than the stock. I get approximately 5hrs screen time playing back media and games throughout the day and upto 1gigs and more available free ram. Only way you can downgrade is if you have an unlocked bootloader, and if you do I highly suggest trying CM12.1. However, if you still wish to downgrade back to Kitkat or below than you may find the instructions available in the General forums as there was a recent thread created for that purpose.
Sent from my Moto X
bushako said:
Give CyanogenMod 12.1 Rom a try. It feels much lighter and battery friendly than the stock. I get approximately 5hrs screen time playing back media and games throughout the day and upto 1gigs and more available free ram. Only way you can downgrade is if you have an unlocked bootloader, and if you do I highly suggest trying CM12.1. However, if you still wish to downgrade back to Kitkat or below than you may find the instructions available in the General forums as there was a recent thread created for that purpose.
Sent from my Moto X
Click to expand...
Click to collapse
Thank you ....
Could you please provide a link to install CyanogenMod 12.1 Rom....
Also the method to root... A step by step guide...
I had rooted my previous phone 2 years back.. don't remember anything now....
lohit naik said:
Thank you ....
Could you please provide a link to install CyanogenMod 12.1 Rom....
Also the method to root... A step by step guide...
I had rooted my previous phone 2 years back.. don't remember anything now....
Click to expand...
Click to collapse
If you can provide me with exact details about your device I might be able to help.
1. What is the device model? Eg.xt1052,xt1058,xt1060 etc
2.) Have you unlocked the bootloader? Without unlocking you cannot install custom roms such as CM12.1.
Moreover, if you haven't unlocked it yet then you are out of luck since you have officially updated your device to Lollipop so all known methods for unlocking bootloader will not work any longer.
You may also visit the link for more info.
http://forum.xda-developers.com/showthread.php?t=3182118
Sent from my Moto X
bushako said:
If you can provide me with exact details about your device I might be able to help.
1. What is the device model? Eg.xt1052,xt1058,xt1060 etc
2.) Have you unlocked the bootloader? Without unlocking you cannot install custom roms such as CM12.1.
Moreover, if you haven't unlocked it yet then you are out of luck since you have officially updated your device to Lollipop so all known methods for unlocking bootloader will not work any longer.
You may also visit the link for more info.
http://forum.xda-developers.com/showthread.php?t=3182118
Sent from my Moto X
Click to expand...
Click to collapse
I have xt 1052...
I haven't unlocked the boot loader
help me what i should i do now...
lohit naik said:
I have xt 1052...
I haven't unlocked the boot loader
help me what i should i do now...
Click to expand...
Click to collapse
Unfortunately nothing you can do at this point to downgrade without an unlocked bootloader. Any attempt will only lead to errors in fastboot and possibly brick your device. Just have to wait for when an unlock words with Lollipop but I wouldn't hold my breath if I were you.
Sent from my Moto X

2015- Still no engineering for Bootloader Unlocking?

I own the Xperia SP since 2013. I recently got a Galaxy S6. The issue with the Xperia SP I had was like many others, even after Carrier Unlock, the bootloader unlocked allowed remained No. Hence I was very limited to the ROMs I can use. We don't even have Lollipop stable enough for daily use. UBL right now has Marshmallow and also Cyanogenmod Nightlies which I would like to try out on my Xperia before I root my Galaxy S6.
So do we have any updates for SP users to be able to unlocked the bootloader? I mean neither Sony nor carriers support the device anymore, they should allow us to play with it now, no?
Please post any updates here
i agree they should tell us how to unlock it as no -one supports it anymore
I read somewhere (i realy dont recall where) that sending your phone to sony so they can unlock the device for you. is possible.....
Any news ?
Hello frnds i need your help, i want to unlock bootloader of my xperia sp. Device model number is c5302 running on kk 4.3 and build version is 12..1.A.1.205 plzzz help
sachin5555 said:
Hello frnds i need your help, i want to unlock bootloader of my xperia sp. Device model number is c5302 running on kk 4.3 and build version is 12..1.A.1.205 plzzz help
Click to expand...
Click to collapse
Look here
http://forum.xda-developers.com/showthread.php?t=2292598 (backup ta, useful expecially if you want relock it again and mantain/use some sony features)
http://forum.xda-developers.com/showthread.php?t=2354721 (prerequisites and so on)
http://developer.sonymobile.com/unlockbootloader/ (official sony procedure to follow for unlocking)
Thank u raffhell thanks a lot ......can u plz also tell the root procedure and how to flash twrp recovery. Becoz for backing up ta partition rooted phone needed ...and thanks once again

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