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[Q] UNABLE to update sony xperia ion lt28h to jellybean

hello guyz,
I have sony xperia ion lt28h. i recently rooted it hence unlocking the boot loader. current version of my device is 6.1.E.0.233. Seeing sony releasing the jellybean 4.1.2 i completely unrooted my mobile. Then i tried to officially update my mobile phone to 6.2.B.0.211. But as soon as download completed it said "MODIFIED SOFTWARE INSTALLED. THE DEVICE CANNOT BE UPDATED".
Guyz i have no idea whats the problem is. but i would really appreciate if u tell me how to update my mobile to 6.2.B.0.211.

well in order to update to JB 4.1.2 u need to relock ur bootloader
here is guide for relocking ur bootloader http://forum.xda-developers.com/showpost.php?p=28325063&postcount=2
once done u can update using Sony PCC or SUS

THANKS
sandy7 said:
well in order to update to JB 4.1.2 u need to relock ur bootloader
here is guide for relocking ur bootloader http://forum.xda-developers.com/showpost.php?p=28325063&postcount=2
once done u can update using Sony PCC or SUS
Click to expand...
Click to collapse
THANKS buddy for taking out ur time and helping. I really appreciate ur efforts.I haven't still tried it, but m sure it will work.

robin5thugs said:
THANKS buddy for taking out ur time and helping. I really appreciate ur efforts.I haven't still tried it, but m sure it will work.
Click to expand...
Click to collapse
if u have problem...feel free to ask me

Phone not turning on
sandy7 said:
if u have problem...feel free to ask me
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Click to collapse
i tried to flash relocking ftf file after it was completed i tried to turn on my device and its not turning on......a green light flicks for a second with a vibration and thats all.....plzz tell my mobile is not bricked

robin5thugs said:
i tried to flash relocking ftf file after it was completed i tried to turn on my device and its not turning on......a green light flicks for a second with a vibration and thats all.....plzz tell my mobile is not bricked
Click to expand...
Click to collapse
i want to relock my bootloader. please help

[Q] Rooting Help!

Hi!
Sorry if someone has already covered this but I really tried to find threads but I was too confused.
I have rooted two devices before, but this is my first Sony device. I am on latest 4.2.2 firmware with build no.15.3.A.1.12.
If you can please tell me the best way to root my device, that would be great. I want to overclock my cpu and maybe install a custom kernel. Will root be enough or do I have to unlock my bootloader to?
Thankyou in advance,
WahajAyub

hello; this way you can root your device: http://forum.xda-developers.com/showthread.php?t=2591290 u need usb debuging on, unknown sources on and werify apps off for that, also i adive you to install fastbtoo, flashmode drivers (they are in the flashtool folder called drivers) and just in case jdk, sdk.
I dont think there is an option to OC withought custom kernel but i many be wrong

Thanks
uremytoy said:
hello; this way you can root your device: http://forum.xda-developers.com/showthread.php?t=2591290 u need usb debuging on, unknown sources on and werify apps off for that, also i adive you to install fastbtoo, flashmode drivers (they are in the flashtool folder called drivers) and just in case jdk, sdk.
I dont think there is an option to OC withought custom kernel but i many be wrong
Click to expand...
Click to collapse
Thanks for the quick reply but how can I install a custom kernel? Does it require unlocking the bootloader?
Edit: And could you tell me that does installing pc companion make a difference? Should I uninstall it?

well for me not. there is was and will be problems with pcc so i always install seus instead. they are nearly the same but seus has less bugs
for your first question, yes installing kernel needs unlocked bootloader, there is a guide on the forum so i think rthat if you can (some ppl cant) unlock it you shouldnt have any problems with that

Thanks
uremytoy said:
well for me not. there is was and will be problems with pcc so i always install seus instead. they are nearly the same but seus has less bugs
for your first question, yes installing kernel needs unlocked bootloader, there is a guide on the forum so i think rthat if you can (some ppl cant) unlock it you shouldnt have any problems with that
Click to expand...
Click to collapse
Thanks . I rooted my phone, but I think I'll wait before unlocking the bootloader.

can not root My Xperia J

Well i tried Thousands of ways to rote My xperia but i can not. It gives me error All the Time. I just restore My phone to default settings blecautebecause he was too slow. Can Someone help me?
I have 11.2.A.0.31 and android version is 4.1.2 and kernel version is 3.4.0

euphz said:
Well i tried Thousands of ways to rote My xperia but i can not. It gives me error All the Time. I just restore My phone to default settings blecautebecause he was too slow. Can Someone help me?
I have 11.2.A.0.31 and android version is 4.1.2 and kernel version is 3.4.0
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Click to collapse
Hi mate!
Have you tried to root via this http://www.unlockroot.com/ ?
You can download free version and don't use flashtool via rooting.
If you try this:
http://forum.xda-developers.com/showthread.php?t=2033114
or something similar to that way, remember about shutting down adb.exe process with ctrl+ald+del and in processes find adb.exe
Give me feedback if it worked
Edit: And remeber about one of most important things: enable unknown sources and usb debugging

cahir1495 said:
Hi mate!
Have you tried to root via this http://www.unlockroot.com/ ?
You can download free version and don't use flashtool via rooting.
If you try this:
http://forum.xda-developers.com/showthread.php?t=2033114
or something similar to that way, remember about shutting down adb.exe process with ctrl+ald+del and in processes find adb.exe
Give me feedback if it worked
Edit: And remeber about one of most important things: enable unknown sources and usb debugging
Click to expand...
Click to collapse
I used unlock root once but the message didn't chaged it was always at someting.su, can you tell me how much time it takes for the root to happen?
I also used that script made by doomlord or whatever the name is and it failed aswell.
Bootloader unlock allowed: No" and in unlock root can you tell me whitch one should i download please? Thanks

euphz said:
I used unlock root once but the message didn't chaged it was always at someting.su, can you tell me how much time it takes for the root to happen?
I also used that script made by doomlord or whatever the name is and it failed aswell.
Bootloader unlock allowed: No" and in unlock root can you tell me whitch one should i download please? Thanks
Click to expand...
Click to collapse
You should use UnlockRoot i'm using this because it's fastest way in my opinion. Rooting takes max 5 minutes. As for the "Bootloader unlock allowed: No" i have the same problem mate but you can root using UnlockRoot anyway While rooting shut down your anti virus

cahir1495 said:
You should use UnlockRoot i'm using this because it's fastest way in my opinion. Rooting takes max 5 minutes. As for the "Bootloader unlock allowed: No" i have the same problem mate but you can root using UnlockRoot anyway While rooting shut down your anti virus
Click to expand...
Click to collapse
I used the script provided by doomlord v17 and it rooted. thanks a lot for your help though

[Q] Can Bootloader be unlocked

my Xperia L C2104 device does not show any YES or NO in the bootloader unlock allowed section of service configuration.
It only shows like this:
Bootloader Unlock Allowed
and no yes or no after that.
Also I tried to unlock the bootloader previously via official method but it showed Error: Bootloader cant be unlocked officially.
Help me guys, Can the Bootloader be unlocked in my device and if yes HOW? Any Unofficial method there for unlocking bootloader plz convey that...also m a NOOB so simpler language appreciated :silly:

mirhimayun said:
my Xperia L C2104 device does not show any YES or NO in the bootloader unlock allowed section of service configuration.
It only shows like this:
Bootloader Unlock Allowed
and no yes or no after that.
Also I tried to unlock the bootloader previously via official method but it showed Error: Bootloader cant be unlocked officially.
Help me guys, Can the Bootloader be unlocked in my device and if yes HOW? Any Unofficial method there for unlocking bootloader plz convey that...also m a NOOB so simpler language appreciated :silly:
Click to expand...
Click to collapse
Your device says your bootloader can be unlock..did you tried with flashtool?

faizalotai said:
Your device says your bootloader can be unlock..did you tried with flashtool?
Click to expand...
Click to collapse
I think The official method also includes the flashtool method.
or is there any other method using flashtool. plz convey tht method if any.
Also the phone doesnt show YES or NO in the bootloader unlock allowed option.

mirhimayun said:
I think The official method also includes the flashtool method.
or is there any other method using flashtool. plz convey tht method if any.
Also the phone doesnt show YES or NO in the bootloader unlock allowed option.
Click to expand...
Click to collapse
The phone doesn't need to only show YES or NOT.
It can also be ALLOWED or NOT ALLOWED.... which is practictly the same thing dont you think?
For sony devices bootloader can only be unlocked this way
http://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader/ (just follow the steps)

vuk030 said:
The phone doesn't need to only show YES or NOT.
It can also be ALLOWED or NOT ALLOWED.... which is practictly the same thing dont you think?
For sony devices bootloader can only be unlocked this way
http://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader/ (just follow the steps)
Click to expand...
Click to collapse
Thanks for the reply...but i tried to unlock the bootloader earlier by following the exact steps that are on the sony site...but it showed the bootloader cant be unlocked officially. What to do abt that?

mirhimayun said:
Thanks for the reply...but i tried to unlock the bootloader earlier by following the exact steps that are on the sony site...but it showed the bootloader cant be unlocked officially. What to do abt that?
Click to expand...
Click to collapse
I unlocked my bootloader couple of months ago with that method but sony site was diffrend back then....they changed it.
I don't think there is another way to unlock bootloader on your sony devices except that one....

vuk030 said:
I unlocked my bootloader couple of months ago with that method but sony site was diffrend back then....they changed it.
I don't think there is another way to unlock bootloader on your sony devices except that one....
Click to expand...
Click to collapse
I also tried that method a month ago. I will try it again. but the commands given in the website arent accepted. they show error with tht commands. :crying:

I had tons of problems with this, I thought all was lost. I have win 8.1 x64 and assumed it was a driver problem and so did the unsigned driver install in windows safe mode. No dice, flashtool continued to be unable to unlock. What worked for me was re-submitting my code to sony, I got a totally different unlock code and then it worked through flashtool! Maybe give that a try? Fingers crossed!!

adoneill said:
I had tons of problems with this, I thought all was lost. I have win 8.1 x64 and assumed it was a driver problem and so did the unsigned driver install in windows safe mode. No dice, flashtool continued to be unable to unlock. What worked for me was re-submitting my code to sony, I got a totally different unlock code and then it worked through flashtool! Maybe give that a try? Fingers crossed!!
Click to expand...
Click to collapse
will surely do it again...also was thinking the same:good:

Oneplus 7 pro bricked bootloader lock

Hi guys I have a OP 7 pro bricked (boot loop), I try everything to un bricked, that is why I ask for any help. I use msm tool and install several zips but when the tool finish it still have the same problem, I can access to the fastboot mode but my bootloader is locked, so I cannot try the fastboot method cause my pc won't recognize when I connect my phone in this mode (I think that's because I need to have enable usb debugging).

I've got bad news, if your bootloader is locked and MSM tool fails you will most likely have to send it in as it will no longer be easily fixable, I unfortunately had this same issue on my OnePlus 8 and learnt the hard way.

You said that you "cannot try the fastboot method" because your PC won't recognize your phone... did you install Oneplus fastboot drivers correctly? You should be able to access your phone in fastboot, even with bootloader locked.
Try with another PC too. Just my 2 cents, sorry if this doesn't help you...

lauchiebeans said:
I've got bad news, if your bootloader is locked and MSM tool fails you will most likely have to send it in as it will no longer be easily fixable, I unfortunately had this same issue on my OnePlus 8 and learnt the hard way.
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Click to collapse
Launchiebeans thanks for take your time to answer, where did you send it, did you repair yours

jonsat said:
You said that you "cannot try the fastboot method" because your PC won't recognize your phone... did you install Oneplus fastboot drivers correctly? You should be able to access your phone in fastboot, even with bootloader locked.
Try with another PC too. Just my 2 cents, sorry if this doesn't help you...
Click to expand...
Click to collapse
First thank you for your time.
I though that too, but i didn't do it , maybe is because I read that in order to use this method (fastboot), oem unlock and usb debugging have to be enable on my OP 7 PRO
Ps: today I'll try again whit another pc, maybe it works, I think the Qualcomm drivers, adb drivers and OP drivers are a nightmare, who knows how many I've been downloaded those in order to make everything right
Sorry for my English I'm from Costa Rica

Sounds like he is stuck o. The older firmware that don't recognize oem unlock command. Not doing the developer preview upgrade then Ota out to regular firmware. Kinda sounds like what I started out on this t mobile one

TheMadScientist said:
Sounds like he is stuck o. The older firmware that don't recognize oem unlock command. Not doing the developer preview upgrade then Ota out to regular firmware. Kinda sounds like what I started out on this t mobile one
Click to expand...
Click to collapse
Hi MadScientist do you hav the same prob? Didi you solved?. Like I said I think the fastboot method to unbrick doesn't work for me because we need to have oem unlock and usb debugging enable on the OP. I will use another pc to discard
Ps: don't know what you mean with "older firmware"
Since I don't remember what version of firmware I have I try the older 9.5.3 to 10... On oxigen. Even i read that someone resolve his problem installing the Chinese version (hidrogenOs) I don't remember the exact name

cirmendoza said:
Hi MadScientist do you hav the same prob? Didi you solved?. Like I said I think the fastboot method to unbrick doesn't work for me because we need to have oem unlock and usb debugging enable on the OP. I will use another pc to discard
Ps: don't know what you mean with "older firmware"
Since I don't remember what version of firmware I have I try the older 9.5.3 to 10... On oxigen. Even i read that someone resolve his problem installing the Chinese version (hidrogenOs) I don't remember the exact name
Click to expand...
Click to collapse
Nm I read your post wrong. I thought you just couldn't get oem unlock enabled

cirmendoza said:
Launchiebeans thanks for take your time to answer, where did you send it, did you repair yours
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Click to collapse
I Ended up sending it to OnePlus and the repair was free as it was a software issue.