Hello, I am new in the xda community and I have an old device that I wanna install a custom rom called LineageOS.
Due to my problem, I am stuck right now for a few days searching for an answer :crying:. My only problem right now is unlocking my own bootloader since I didn't see any forum or any websites that teaches how to unlock my bootloader since installing a custom rom requires a custom recovery.
Please help me so I can install the custom rom that I chosen.
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I am new at this to change roms on android, but I'm trying to change the rom on my Xperia T for some time without success. I can not unlock the bootloader on my equipment and do not have root, can someone show me a simple way to install a new rom with android 4.4? Thank you
SpiderMaximus said:
I am new at this to change roms on android, but I'm trying to change the rom on my Xperia T for some time without success. I can not unlock the bootloader on my equipment and do not have root, can someone show me a simple way to install a new rom with android 4.4? Thank you
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Without unlocking your bootloader, you will NOT ever be able to install 4.4 custom roms. An unlocked bootloader is MANDATORY in this case.
With a locked bootloader you can only install roms based on stock, like "pure XT" that is fine, check it out in development section.
For root and recovery, go here: http://forum.xda-developers.com/showthread.php?t=2798411
Hiya I got a tmobile l90 d415 Its software is on d41520c 5.0.2 an so far its rooted but i think i need to unlock the bootloader an maybe install a custom rom. Im just not sure about which process to unlock my bootloader. Thank you everyone on xda for supporting this cool phone!
Your bootloader I unlocked so no need for that, proceed to installing custom recovery, TWRP is obvious choice for many reasons.
Look a bit around forum and you will find all you need just go easy and good luck !!!
what if we try to install custom recovery on a locked bootloader..??
is there any way to unlock bootloader without using computer..?
please reply soon
lots of thanks
it's impossible to install custom recovery on locked boot-loader , try googling before posting any questions here friend
You can't do that my friend
Hi,
Apologies for the long post & queries.
I feel this isnt "just another - LBL query". Dont want to end up with a hard-bricked SP (Like I did with my test mule HTC Sensation :crying
So I bought a used O2 UK branded Xperia SP 4.3 (12.1.A.1.205) purely to learn the art of installing custom ROM's again...
The O2 branded SP had its sim lock removed by the seller I bought the phone from. :good:
Now the service menu shows that Bootloader unlock allowed as NO.
After reading quite a bit on unlocking a Bootloader (LBL) with NO status; I achieve ROOT status using Towelroot :highfive: & created a backup of my TA Partition (DRM's and all - dont know how useful would the Bravia engine be in the future) I now have titanium backup & SuperSU working on the SP.
All the threads I have read so far on unlocking my LBL say my SP can only run special [LBL][ROM] scattered over the SP forum while the LBL CM roms do not seem too attractive over the CM14. (looking forward to use the CM roms)
My queries:
1. The first thread I read in my journey to flash a custom ROM; I found that I could not unlock my BL; even though I went forward to the Sony website and have received the unlock code with instructions.
- should I proceed to unlock my LBL following the instructions in this thread? will it brick my SP with the active root?
2. Looking at this thread @ 1.(c) confuses me.
- Can I use the CM-14 recovery and ROM instead of the CWM recovery as instructed?would love to see some CM14 action on the SP.
3. Is there a way to take an IMG backup of my current stock O2 rom,kernel, radio, etc? so if in case I mess up with the custom roms I can switch back to the stock and have a working phone? (gone are the days of Windows Mobile 6.5 the last time I was a pro in flashing roms)
4. I might be stretching my luck with this question but is there a "kitchen" software that does all the flashing business for you on the SP?
Could someone please link me to a thread (could be of any phone) that explains the basics of flashing a custom ROM (kernel, ROM, recovery, etc) to a newbie like me starting the journey with not much experience?
Its the end of 2016; can I now "NO" unlock my locked Bootloader? coz most of the threads I have found are old I dont know where else to look :fingers-crossed:
Thanks!!
You can't unlock your bootloader and any attempt to do so could potentially brick your device.
Also, you cannot flash custom ROM unless the thread specifically states that can be used on Locked bootloaders. Usually those ROMs are tagged as such (UL/LB or something), and explain how they are based of from some stock kernel.
jade master said:
Hi,
Apologies for the long post & queries.
I feel this isnt "just another - LBL query". Dont want to end up with a hard-bricked SP (Like I did with my test mule HTC Sensation :crying
So I bought a used O2 UK branded Xperia SP 4.3 (12.1.A.1.205) purely to learn the art of installing custom ROM's again...
The O2 branded SP had its sim lock removed by the seller I bought the phone from. :good:
Now the service menu shows that Bootloader unlock allowed as NO.
After reading quite a bit on unlocking a Bootloader (LBL) with NO status; I achieve ROOT status using Towelroot :highfive: & created a backup of my TA Partition (DRM's and all - dont know how useful would the Bravia engine be in the future) I now have titanium backup & SuperSU working on the SP.
All the threads I have read so far on unlocking my LBL say my SP can only run special [LBL][ROM] scattered over the SP forum while the LBL CM roms do not seem too attractive over the CM14. (looking forward to use the CM roms)
My queries:
1. The first thread I read in my journey to flash a custom ROM; I found that I could not unlock my BL; even though I went forward to the Sony website and have received the unlock code with instructions.
- should I proceed to unlock my LBL following the instructions in this thread? will it brick my SP with the active root?
2. Looking at this thread @ 1.(c) confuses me.
- Can I use the CM-14 recovery and ROM instead of the CWM recovery as instructed?would love to see some CM14 action on the SP.
3. Is there a way to take an IMG backup of my current stock O2 rom,kernel, radio, etc? so if in case I mess up with the custom roms I can switch back to the stock and have a working phone? (gone are the days of Windows Mobile 6.5 the last time I was a pro in flashing roms)
4. I might be stretching my luck with this question but is there a "kitchen" software that does all the flashing business for you on the SP?
Could someone please link me to a thread (could be of any phone) that explains the basics of flashing a custom ROM (kernel, ROM, recovery, etc) to a newbie like me starting the journey with not much experience?
Its the end of 2016; can I now "NO" unlock my locked Bootloader? coz most of the threads I have found are old I dont know where else to look :fingers-crossed:
Thanks!!
Click to expand...
Click to collapse
Hello
Attempting to unlock your bootloader despite it being not unlockable will make the process fail. No brick will occur.
There is no CM14 that is available for the locked bootloader. Nor will ever be. Unfortunately the workaround past-developers used to make ROMs bootable on locked bootloader of our device is no longer capable or easily to be implemented on latest iterations of Android.
I may not be able to answer this precisely, as my experience with stock ROM was long long ago. As far as I can remember, you can do this with nandroid backup with the old CWM recovery. However I am not remember the menu lists in the recovery anymore. Note that the nandroid backup is not an image backup in a form of .iso or .img. You may alternatively use fastboot to pull exact copy of the partition you have, however this is also out of my knowledge. If you have a large sdcard, you can also use "dd" to do an exact copy of the partition natively on your device (yay linux)
Isn't kitchen a tool to create ROM spin-offs? Sorry I am not an old Android user.. So i do not know. But to answer your question of all-things-tool software, we have Flashtool which handles flashing of stock ROMs and GUI fastboot tools. Only use the version 0.9.18.6. Later versions have some issues with our device..
You still cannot unlock your bootloader. It is a highly secret thing that no one have expertise in exploring or maybe lack of interest. Contrary to popular belief that Xperia phones can have its bootloader unlocked despite of this barrier, no, that only applies to old Xperia lines, and I highly doubt recent Xperia phones can have their bootloaders unlocked with such old tools. You might also risk a hard brick.
Hi, I'm pretty new to installing ROMS. Infact I don't even know what unlocking bootloader means and how to do all this stuff but I would like to learn how.
I heard that rooting/installing roms is specific to each device and brand and since I use a Redmi 9 ,here I am.
I would like to get help on the following topics:
-How do I unlock my bootloader? Does it void warranty? Can I lock my bootloader again at the time of selling?
-How do I install a Custom ROM and Custom recovery? This might be a noob question but I seriously dont want to brick my device or anything.
-Do I need to root my phone to install a Custom ROM?
Any links to these topics would be greatly appreciated.
Thanks for the help.
You'll probably be better off if you go to Google and YouTube and do some research on your own. About the bootloader its possible to relock it but the status may change to relocked.