[Q] Cain I flash a custom official firmware into my rooted phone? - Sony Xperia S, Acro S, Ion

Can I flash into a rooted phone SONY XPERIA S a custom official firmware?

Yes,but first you must install cwm and search Roms for locked bootloaders based on the firmware you like !

My phone has the red light on but is not charging.

akateha said:
Yes,but first you must install cwm and search Roms for locked bootloaders based on the firmware you like !
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My bootloader is unlocked and my phone is rooted

SOLVED

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[Q] cant root with locked bootloader :/ ?Help

hi..
i wanted to root and then flash a costum rom on a xperia arc but im not getting root first...i used 2 methods for the locked bootloader the doomlord v1 and the Root_Exploit_OneClick both of these show me errors and the phone cant get root,i turned off every another process in the pc and the antivirus and still nothing...pls help me to root it...it is with locked bootloader..
Edit( i rooted it when i flashed a ready to root stock ics firmware and then with one click root method)
first of all you cant install a custom ROM with a locked bootloader... and the reason why your not getting a root is that your on .62 firmware and you can only root on .42 firmware... (NOTE: android version 2.3.4)
MrModMan said:
first of all you cant install a custom ROM with a locked bootloader... and the reason why your not getting a root is that your on .62 firmware and you can only root on .42 firmware...
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i have this version 4.1.b.0.431...what should i do to root with this firmware?
You have ICS https://www.google.com.au/#hl=en&sc...qf.,cf.osb&fp=c72d84806ae8a6&biw=1366&bih=667 that should help you
y the way there are 2 ways to root .431(4.0.4)
1) flash the .431 file and then flash the stock kernel of .562 ftf(i.e flash 4.0.4 and the flash only the kernel of 4.0.3) and then use doomlord one click method
2) flash a ready to root ftf file that already has the compiled things together.
(by the way, why dont you unlock your bootloader? because if anything goes extremely wrong it can only be corrected if you have an unlocked bootloader. and unlcoking bootloader is not risky infact it can be reocked again it will give you more choice to choose from various roms and kernels)
and note these methods work on unlocked bootloaders only.
these threads will help youon locked bootloader
for 4.0.3 http://forum.xda-developers.com/showthread.php?t=1600728
for 4.0.4 http://forum.xda-developers.com/showthread.php?t=1683189
you can root your phone using This method .

[q] miuiv5 for locked bootloader?

I just want to know is there anyone who is working on rooting jellybean on xperia ion except flashing a pre rooted firmware?
EDIT : ANY UPDATE FOR MIUI V5 FOR LOCKED BOOTLOADER ...
I would even be ok with pre rooted firmware if i could just find one to flash but all i can find are tutorials on making one which require a unlocked bootloader but i cant unlock mine.
manishmalhotra said:
I just want to know is there anyone who is working on rooting jellybean on xperia ion except flashing a pre rooted firmware?
also, anyone working on miui v5 based on stock rom?
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here look at the last post in the thread http://forum.xda-developers.com/showthread.php?t=2338254&page=25 i used that it worked!
LordKitsuna said:
I would even be ok with pre rooted firmware if i could just find one to flash but all i can find are tutorials on making one which require a unlocked bootloader but i cant unlock mine.
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Aside from the root tool in the previous post, spectre made a pre rooted firmware flashable through cwm, but it was kinda tricky to flash(you needed rooted ICS with CWM then you flash rooted JB firm then flash JB kernel from JB ftf file with flashtool). The pre rooted firm is in the development section under pre rooted firms.

Flashing on locked bootloader

I'm looking to flash my Xperia zl but the process requires flashtool and a original firmware. My question is what good is cwm? Can we not flash roms from recovery like I do on my Transformer 700?
Or do I really need to use flashtool flash a original firmware reroot then go to recovery factory reset wipe and then flash New Rom?
shadowarez said:
I'm looking to flash my Xperia zl but the process requires flashtool and a original firmware. My question is what good is cwm? Can we not flash roms from recovery like I do on my Transformer 700?
Or do I really need to use flashtool flash a original firmware reroot then go to recovery factory reset wipe and then flash New Rom?
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Flashtool is only needed if you want to flash Sony stock rom or kernel files.
For flashing any AOSP rom (like CyanogenMod or PACman rom) or mods you need cwm recovery.
If you already have cwm just reboot your phone. On startup Sony logo just press volume + or - to enter cwm.
If not, I recommend NUT's DualRecovery (http://forum.xda-developers.com/showthread.php?t=2288118).
With locked bootloader you are not able to flash any kind of AOSP kernel.
AOSP roms need unlocked BL.
Flashtool can unlock your BL if its rootable (some carriers do not allow this).
BUT:
Before unlocking BL, make a backup of your TA partition! --> http://forum.xda-developers.com/showthread.php?t=2292598
thank you
I seen a Rom for locked bootloaders and I thought why can't I just flash this way I did with tablet I got the Rom for a locked BL.
I got the RomAur 9.0. Thanks for quick reply wasn't sure if I should proceed or not till I cleared that up.
shadowarez said:
I seen a Rom for locked bootloaders and I thought why can't I just flash this way I did with tablet I got the Rom for a locked BL.
I got the RomAur 9.0. Thanks for quick reply wasn't sure if I should proceed or not till I cleared that up.
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I'm running eXistenZ Ultra Edition http://forum.xda-developers.com/showthread.php?t=2385313
You should try it, at the moment its the finest rom for our beloved ZL
This rom is based on .67 stock rom. Before that I was on .423 stock rom.
In order to run without problems, I had to first flash .67 stock rom with flashtool, reroot, reinstall DualRecovery and then flash eXistenZ rom.
So if you're going to flash a custom rom based on a different stock kernel than the one you're already on, first flash that stock rom with flashtool.
You can skip this step, but you might run into connection problems with wifi and data.
First flash .67 stock rom with latest flashtool.
Use this guide to get root access: http://forum.xda-developers.com/showthread.php?t=2388946
For the 11. step use this .67 kernel: https://drive.google.com/file/d/0B0duxzJgPpcyX3hhbV9wVFQ4R0E/edit?usp=sharing
You have to close flashtool BEFORE you use DooMLoRD_Easy-Rooting-Toolkit_v18 !
After the root, flash NUT's "lockeddualrecovery2.6.3-RELEASE.windows.zip" : http://forum.xda-developers.com/showthread.php?t=2288118
For the rooting process you'll need "unknown sources" and "usb debugging" checked.
Take care to follow every step as described and you should be good again. :good:
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After everything is done, don't forget to wipe dalvik cache..
So if i can summarize, if I don't need to flash CM or AOSP Roms, and only flash rom based on Stock I don't need to unlock the bootloader ?
If I use flashtool 0.9.13, it won't unlock the bootloader ? because while i was reading their welcom page http://www.flashtool.net/index.php
I had a feeling that it unlock the bootloader, is that an option or it do it when i flash a stock rom with it ?
What are the advantages of unlocking bootlader a part from being able to flash CM AOSP based rom and kernels ?

I can't flash 4.4 custom roms to my Xperia S

My bootloader cannot be unlocked, so I use this recovery and I tried to flash custom roms (cyanogenmod and slimkat) but when it's flashed I try to start my phone but it won't start just vibrate
maddboss said:
My bootloader cannot be unlocked, so I use this recovery and I tried to flash custom roms (cyanogenmod and slimkat) but when it's flashed I try to start my phone but it won't start just vibrate
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Since You cannot unlock bootloader, You cannot use the V 4.4 ROM's as these require unlocked bootloader. You can use ROM's which support Locked bootloader. Look for [LB] in the ROM threads. Y

ROM for LBL

Hello all,
I am using rooted Xperia M 1905 with stock rom 4.3. Unfortunately the status is Bootloader unlock allowed: NO
What ROM can you recommend for installing via Flashtool ?
acceleron said:
Hello all,
I am using rooted Xperia M 1905 with stock rom 4.3. Unfortunately the status is Bootloader unlock allowed: NO
What ROM can you recommend for installing via Flashtool ?
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Sorry, all custom rom need an unlocked bootloader device to work. But you still can try older mod for 4.3

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