[Q] Phone won't turn on after re-locking bootloader - Xperia Z Q&A, Help & Troubleshooting

Here is my about info I am trying to relock my bootloader, to make my phone feel completely stock again. But when I relock it using flashtool I end up unable to boot my phone. The weird part is when I try, to turn it on, it vibrates one time (as if it's going to) but then nothing happens. Any ideas how I can fix this?
Thanks,
- Un-Discovered

Un-Discovered said:
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Here is my information. I am trying to relock my bootloader, to make my phone feel completely stock again. But when I relock it using flashtool I end up unable to boot my phone. The weird part is when I try, to turn it on, it vibrates one time (as if it's going to) but then nothing happens. Any ideas how I can fix this?
Thanks,
- Un-Discovered
Click to expand...
Click to collapse
if flash tool can find ur phone so try to flash another rom :good:

Un-Discovered said:
I am trying to relock my bootloader, to make my phone feel completely stock again.
Click to expand...
Click to collapse
Having an unlocked bootloader doesn't affect the performance of the Phone in anyway, so if you want to return to stock just flash an ftf and forget about it. Having the ability to relock is great but I really don't see the point unless you need to return it.

XperienceD said:
Having an unlocked bootloader doesn't affect the performance of the Phone in anyway, so if you want to return to stock just flash an ftf and forget about it. Having the ability to relock is great but I really don't see the point unless you need to return it.
Click to expand...
Click to collapse
Well the thing is, my phone is running a stock rom, rooted, with an unlocked bootloader and cwm installed, and there is a update I want, that my phone keeps bugging me about but it keeps erroring (i'm guessing due to the root, bootloader and cwm).

XperienceD said:
Having an unlocked bootloader doesn't affect the performance of the Phone in anyway, so if you want to return to stock just flash an ftf and forget about it. Having the ability to relock is great but I really don't see the point unless you need to return it.
Click to expand...
Click to collapse
You are forgetting about updates, DRM keys and Bravia Engine.
---------- Post added at 06:27 AM ---------- Previous post was at 06:24 AM ----------
Un-Discovered said:
Here is my about info I am trying to relock my bootloader, to make my phone feel completely stock again. But when I relock it using flashtool I end up unable to boot my phone. The weird part is when I try, to turn it on, it vibrates one time (as if it's going to) but then nothing happens. Any ideas how I can fix this?
Thanks,
- Un-Discovered
Click to expand...
Click to collapse
When you restore the TA while running a custom ROM or kernel (ie. DooMKernel) you will soft-brick the device, which I think you just did .
Connect the device to your PC and use Sony PC Companion to flash the latest firmware. Then everything shall be fine again.

DevShaft said:
You are forgetting about updates, DRM keys and Bravia Engine.
---------- Post added at 06:27 AM ---------- Previous post was at 06:24 AM ----------
When you restore the TA while running a custom ROM or kernel (ie. DooMKernel) you will soft-brick the device, which I think you just did .
Connect the device to your PC and use Sony PC Companion to flash the latest firmware. Then everything shall be fine again.
Click to expand...
Click to collapse
I did the same mistake :silly:
Sony Companion won't recognize the device.
In order to correct that, you have to:
- Download the .ftf file for the current FW version of your device (in my case Xperia SP 12.1.A.0.266);
- enter flashmode
- flash the downloaded .ftf
- power on and enjoy it
Happy Eastern everyone!

hfcamilo said:
I did the same mistake :silly:
Sony Companion won't recognize the device.
In order to correct that, you have to:
- Download the .ftf file for the current FW version of your device (in my case Xperia SP 12.1.A.0.266);
- enter flashmode
- flash the downloaded .ftf
- power on and enjoy it
Happy Eastern everyone!
Click to expand...
Click to collapse
I followed these steps but ended in a bootloop!!
please help

Related

[q] bricked?! Please someone help!

Hi all! I registerd now on forum but i'm an old noob reader of the forum. I
I bought Captivate(AT&T) on ebay and had Froyo 2.2 installed. I tryed to flash and root it to CYNOGENMOD with this GUIDE: wiki.cyanogenmod.com/wiki/Samsung_Captivate:_Full_Update_Guide
I did everything as written on thad guide but the phone continued to reboot and reboot and reboot. Now I don't even know what have I done but the phone starts with AT&T LOGO and than blocks with Samsung SGH i897 LOGO.
When i push volume buttons and start button it goes on CLOCKWORKMODRECOVERY.
Anyone can help me? I think i'm in big problem isn'it? PLEASE SOMEONE HELP!
(sorry for bad english)
alexmr89 said:
Hi all! I registerd now on forum but i'm an old noob reader of the forum. I
I bought Captivate(AT&T) on ebay and had Froyo 2.2 installed. I tryed to flash and root it to CYNOGENMOD with this GUIDE: wiki.cyanogenmod.com/wiki/Samsung_Captivate:_Full_Update_Guide
I did everything as written on thad guide but the phone continued to reboot and reboot and reboot. Now I don't even know what have I done but the phone starts with AT&T LOGO and than blocks with Samsung SGH i897 LOGO.
When i push volume buttons and start button it goes on CLOCKWORKMODRECOVERY.
Anyone can help me? I think i'm in big problem isn'it? PLEASE SOMEONE HELP!
(sorry for bad english)
Click to expand...
Click to collapse
Boot loop often happens and means you can't boot into the rom....it's called soft bricked. If you have recovery and download mode still active your safe.
1-Did you check you got the right files ?
2-Did you check the md5sum of the files (if available) to make sure your download is not corrupted.
3-Did you download and flash the proper cwm and/or kernel
4-You missed something in the process. (Recheck #[email protected])
silvertag said:
Boot loop often happens and means you can't boot into the rom....it's called soft bricked. If you have recovery and download mode still active your safe.
1-Did you check you got the right files ?
2-Did you check the md5sum of the files (if available) to make sure your download is not corrupted.
3-Did you download and flash the proper cwm and/or kernel
4-You missed something in the process. (Recheck #[email protected])
Click to expand...
Click to collapse
Hi thank you very much for answering. I managed to restart it by flashing a new rom downloaded online, a Froyo 2.2. As I am a little idiot if I write down infos about my firmware would you gently link me to a guide or tell me what should I do to upgrade in order do not do any mistake again? Anyway phone is from At&T but I'd like to unlock operator in order tu use my Italian sim.(before i screwed it up it was unlocked, as i bought it USED from ebay.)
Anyway these are the infos:
Firmware version 2.2
Baseband version I897UCJI6
Kernel version [email protected] #1
Build number:Froyo.UCJI6.
THANK YOU VERY MUCH. Hope to hear from you
PS: I used this to restore it I897UCJI6-OCD-REV02-Low-designgears.exe and ODIN, if this has any importance!
It should be posted in the OP or there should be a link to sufficient installation instructions in the OP of whatever Rom you would like to flash.
And no need to start a thread in the General and same exact thread in Q & A.
NO need to double post.
Help will be given even with one thread started.
Ok i won't crosspost, I did it because I really need help. Anyway my question.is: now that i have installed this 2.2froyo rom,as i don't know if phone is rooted or not CAN I install a superoneclick 2.3 gingerbread or should i do something first. Will this also remove sim operator lock? Please someone answer
Thanks everybody for help!
If u have root then u should have the "Superuser app"
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or View attachment 854464, but Not this in ur app drawer. Or download a free app that requires root and test and see that way.
To go to a Gingerbread Rom from the Froyo 2.2 that u currently are running, u can use one of the One Clicks GB with Bootloaders in the Stickied One Click Thread in the Development Forum.
You have to have the GB Bootloaders in order to run a Gingerbread Rom, but once u have the Bootloaders there is not any need in flashing any bootloaders in the future, because the GB Bootloaders are backwards compatible.
There is risk in flashing bootloaders, so be sure u have a good micro usb to usb cable connection, preferably use a laptop so u don't loose power mid flash, remove all babies, animals, etc. from the room, so the cable does not get "accidentally" yanked during the flash.
Be sure u know what u r doing and then proceed.

Almost kill my device today :(

My main problem is: when i`m upgrading f/w, every time i have to do factory reset with cleaning of internal storage, or i`ll get this:
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Even when i`m upgrading via SEUS WITHOUT factory reset i`ll get the same as above. If i get this, the only way to come back the phone - flash stiock f/w that i made by myself when i bought the phone.
Today i was triyng to make .195 f/w with root. I made reset, flashed via Flashtool UK generic .303, then got root, and changes "ric" file. Then, i think i should do a reset again, before update f/w via OTA, but i did not In a process of upgrading i`ve got another error message, , but i don`t have a snapshot of it. It reports about OTA update, i suppose. Then the whole mess started. Every f/w i was flashed via Flashtool didn`t boot my phone, even my stock .303 f/w. When i tried to charge the phone, i see this error sign again and the phone is not booting. I`m already said goodbye to my phone, but then tried to update via SEUS. I updated, and, the phone started to boot, but show me the picture that is above in this message. It means to me, that now i can try to flash my .303 stock, and maybe, with God`s help, the phone will work. And it is! I flashed my stock and the phone works fine, now in charging.
Well, i think all the problem is because of this main flashing problem, but i don`t know what means this sign. Maybe you can give me advice, what to do to flash f/ws without reset and don`t get this sign ?
The phone is Xperia T, from Poland, bootloader is locked, and some interesting thing, with my stock .303 f/w i don`t get message about OTA update, but PCC reports me about update on .197 f/w, NOT .195! Maybe the phone have some operator`s locks or something that not allowing me to flash f/ws ? I don`t know and don`t understand
Please, help me with advice.
PS Now i wnat to try the same thing, but before OTA update make a reset, maybe in this time everything will pass fine, but i`m afraid to brick my phone forever ((
DennisDD78 said:
...The phone is Xperia T, from Poland, bootloader is locked, ...
PS Now i wnat to try the same thing, but before OTA update make a reset, maybe in this time everything will pass fine, but i`m afraid to brick my phone forever ((
Click to expand...
Click to collapse
If your bootloader is locked you will never brick your phone. You will always be able to restore a stock firmware.
I suggest you download PCCompaion and repair using that. Make a ftf from the downloaded files and then start with the rooting etc
gregbradley said:
If your bootloader is locked you will never brick your phone. You will always be able to restore a stock firmware.
I suggest you download PCCompaion and repair using that. Make a ftf from the downloaded files and then start with the rooting etc
Click to expand...
Click to collapse
I thought it too, that with locked BL i`ll never brick the phone, but imagine the situation, when you flashing ANY f/w using ANY flashing tool - you get this ! And what would you do with this ?
I hve FTF of f/w that was in phone from box, this is the only way to bring the phone back - flash this FTF. With any other f/w the phone doesn`t booting, but even when i`m flashed this only working f/w and then flash any other f/w WITHOUT factory reset, i`ll get this bug again and again. Even after phone`s native f/w that was in phone in box!
DennisDD78 said:
I thought it too, that with locked BL i`ll never brick the phone, but imagine the situation, when you flashing ANY f/w using ANY flashing tool - you get this ! And what would you do with this ?
I hve FTF of f/w that was in phone from box, this is the only way to bring the phone back - flash this FTF. With any other f/w the phone doesn`t booting, but even when i`m flashed this only working f/w and then flash any other f/w WITHOUT factory reset, i`ll get this bug again and again. Even after phone`s native f/w that was in phone in box!
Click to expand...
Click to collapse
As i said, try a repair with pccompanion. then go through the process again

[Q] Flashing assistance

Hey guys!
I swear I must be the only idiot out there who can't work out the Flashtool interface. I have rooted, installed CWM and readied my FTF file ready to flash. My problem is actually connecting the phone and getting the interface to recognize the Z.
When booting the program I plug the device in, it loads up and installs the ADB interface drivers and provides me with a prompt giving me a list of phones to choose from. The Z just isn't in there and I don't want to proceed by choosing another device 'by default'...
I have well and truely searched the hell out of this question with as many different queries as I could imagine to no avail. I have flashing experience and consider myself quite computer savvy but this has more then got me stumped!
Any suggestions?
Regards,
Josh
gibilator said:
Hey guys!
I swear I must be the only idiot out there who can't work out the Flashtool interface. I have rooted, installed CWM and readied my FTF file ready to flash. My problem is actually connecting the phone and getting the interface to recognize the Z.
When booting the program I plug the device in, it loads up and installs the ADB interface drivers and provides me with a prompt giving me a list of phones to choose from. The Z just isn't in there and I don't want to proceed by choosing another device 'by default'...
I have well and truely searched the hell out of this question with as many different queries as I could imagine to no avail. I have flashing experience and consider myself quite computer savvy but this has more then got me stumped!
Any suggestions?
Regards,
Josh
Click to expand...
Click to collapse
This is how I installed the driver for my XZ:
Install the driver first
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Select the XZ driver:
Now update the driver because your PC probably can't find the driver:
Now you have to select the driver yourself. So you have to pick it from the list
This the updated driver:
I hope that helps a little.
shadowboy23 said:
This is how I installed the driver for my XZ:
Click to expand...
Click to collapse
Thanks heaps!! I managed to get the drivers installed but the application still doesn't recognise the Z? any thoughts?
try changing the usb settings to mass storage instead of media mode or the other way round
gibilator said:
Thanks heaps!! I managed to get the drivers installed but the application still doesn't recognise the Z? any thoughts?
Click to expand...
Click to collapse
Is this what you are talking about?
To flash any stock ROM you don't need CWM. Flashtool is all I use to flash .ftf files
I download the ftf file I want and place it in the firmware folder:
I then start the flashtool app while the phone is unplugged, turned off and make sure it's in "Flashmode"
Once you click "Ok" this window should show up:
And then choose the ftf you placed in the folder. You should see this window:
And flashing will begin.
Just make sure you have full charge on your XZ before you do all this.
Wow, shadowboy23, you really went above and beyond with your assistance given here! You should really consider copying those posts over to the general thread and make a driver installation and flash tool guide (unles there is one...) But yeah, Kudos!:good::laugh::good:
Thanks!
I cannot believe that post shadowboy23 seriously thank you so much I can see the amount of time you have put in there! I myself haven't had any time to check the computer or even think about flashing my phone but will have another attempt this coming weekend and will defiantly bring you results (hopefully good news!)
Cheers again!!
Josh
I had a crack this afternoon and successfully got everything to the stage where your last step ends (on one of my 3 computers only!) and then the flashboot spits out an error message telling me the device drivers are not loaded. I will persist tomorrow afternoon when I have a fast internet connection and can download the latest version of flashboot (I have beta 4 I believe).
Incredibly frustrating process though!!
Josh
SUCCESS!!
Cheers shadowboy!! your new version fixed the issues I was having with the loader and it was all plug and play... but most of all thanks for letting me know to untick those boxes!! saved me the nightmare of having to reinstall everything
Cheers!!
Josh

Model d5833 : Flashtool with SIMLOCK checked and no backup

Hello everyone,
I need your help because I have a big problem. I have a sony z3 compact model d5833, and I used flashtool to install sony concept (link from this thread : http://forum.xda-developers.com/z3-compact/general/list-stock-firmwares-d5803-d5833-t2906706).
They wrote in the tutorial to check SIMLOCK in flashtool in my version of flashtool v0.9.22.2, checking SIMLOCK means flashing simlock.ta when before it meant excluding the file.
Therefore, my phone can't recognize my sim card anymore (it's written invalid sim card, and I have no network).
I tried flashing back the old firmware, doing a factory reset, flashing concept without SIMLOCK but nothing works.
I even tried this (http://forum.xda-developers.com/z3-compact/help/rooting-status-unknown-sim-card-camera-t3279419) but my flashtool didn't write anything in the file registeredDevices. Could you please help me???
Thank you in advance.
haruuka said:
Could you please help me???
Click to expand...
Click to collapse
Send it to Sony service
Still me.
I've just checked into my Flashtool folders and I have found a lot of backups, but they stopped around April.
I suppose before this damn 0.9.22.x the backups were automatic. I can't understand why they disabled this useful feature if this kind of risks are still possible.
My questions:
1) Do you remeber if you used Flashtool in the past on another PC? Pheraps a laptop? Or something like that... in order to resume an old backup.
2) Have you ever made a backup TA? Most of people make it the first time they root the phone. I mean this one:
http://forum.xda-developers.com/showthread.php?t=2292598
I'm still not sure if it can be useful for you, as it was thought to resume DRM keys in TA partition, but if the partition is all backed-up from this tool, we can try to get what we need from that
istux said:
Still me.
I've just checked into my Flashtool folders and I have found a lot of backups, but they stopped around April.
I suppose before this damn 0.9.22.x the backups were automatic. I can't understand why they disabled this useful feature if this kind of risks are still possible.
My questions:
1) Do you remeber if you used Flashtool in the past on another PC? Pheraps a laptop? Or something like that... in order to resume an old backup.
2) Have you ever made a backup TA? Most of people make it the first time they root the phone. I mean this one:
http://forum.xda-developers.com/showthread.php?t=2292598
I'm still not sure if it can be useful for you, as it was thought to resume DRM keys in TA partition, but if the partition is all backed-up from this tool, we can try to get what we need from that
Click to expand...
Click to collapse
Yeah I had flashtool on another device but it did exactly the same, no backup. And I don't have a backup no... Do you think there is another way or is it completely bricked?
Thank you.
haruuka said:
Yeah I had flashtool on another device but it did exactly the same, no backup. And I don't have a backup no... Do you think there is another way or is it completely bricked?
Thank you.
Click to expand...
Click to collapse
If you've never rooted with this method:
http://forum.xda-developers.com/z3-compact/general/how-to-root-backup-drm-keys-t3013343
which suggests to make a backup TA (but you've already said you didn't), then it's better you go to Sony assistance.
Flash the correct firmware of your device before repairing.
Is your phone still under warranty? If yes, I think they fix for free
PS I wrote into XDA Flastool topic my disappointment about the chance to brick the phone so easily, for what it's worth
istux said:
PS I wrote into XDA Flastool topic my disappointment about the chance to brick the phone so easily, for what it's worth
Click to expand...
Click to collapse
Finally they've listened to me and released a new Flashtool version with "simlock" stuff properly hidden.
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A little victory :good:

LG V40 BRICKED, Help, i would glat to pay 50$ through paypal whoever find the solution :(

By mistake I reemplace the Abl_a instead laf_a and phone gets in that State, LG up doesnt recognize the phone only says Unknow model and doesnt let me get the Flash screen , lg flashtool isnt working neither, pls help
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Madness_logic said:
By mistake I reemplace the Abl_a instead laf_a and phone gets in that State, LG up doesnt recognize the phone only says Unknow model and doesnt let me get the Flash screen , lg flashtool isnt working neither, pls help
View attachment 5166381View attachment 5166383
Click to expand...
Click to collapse
Well first, you're posting in the wrong forum for help of this sort. This is for roms, kernels etc, for problems like this it should be in questions and answers.
Anyway, you don't say what firmware you're running? AT&T? Sprint? T-mo? When u say u replaced the abl_a instead of laf_a, do u mean u erased the abl_a instead of laf_a?
Assuming that's what u meant, just mention which version firmware you're running and I'd bet someone has an abl_a for it.
cheers
AsItLies said:
Well first, you're posting in the wrong forum for help of this sort. This is for roms, kernels etc, for problems like this it should be in questions and answers.
Anyway, you don't say what firmware you're running? AT&T? Sprint? T-mo? When u say u replaced the abl_a instead of laf_a, do u mean u erased the abl_a instead of laf_a?
Assuming that's what u meant, just mention which version firmware you're running and I'd bet someone has an abl_a for it.
cheers
Click to expand...
Click to collapse
Oh thanks, i dont know how to send the post overthere, but i will do it, lineageOs 17.1. on a At&t lg variant, and nope, i send laf.img to Abl_a, and it was v35eng.img the one i need to send, i get distracted and after that, phone enter in that status, they tell me about Box service, looks like is the only method
Madness_logic said:
Oh thanks, i dont know how to send the post overthere, but i will do it, lineageOs 17.1. on a At&t lg variant, and nope, i send laf.img to Abl_a, and it was v35eng.img the one i need to send, i get distracted and after that, phone enter in that status, they tell me about Box service, looks like is the only method
Click to expand...
Click to collapse
I don't think you need any 'service'. It sounds like your situation isn't that dire. You could just send the v35eng to abl_a now. You may think you're stuck because the phone won't boot, so from the directions, to get to edl, the phone should be booted...
but that's not true. You can get to edl mode (qfil) from any screen. Try this: hold down all 3 buttons for about 5 secs or so. Wait until the screen changes (from whatever it was prior), then keep the pwr and vol - held, but press on off on off on off the vol+ key. Make sure the usb cable is plugged in pc when doing this.
You should hear the windows 'chime' sound indicating a edl connection. Then use qfil to flash the v35eng.
cheers
Have You unbricked it?
Kakanman said:
Have You unbricked it?
Click to expand...
Click to collapse
yes, sorry for the late answer, i forgot to close the topic, i buy this service and goes like charm, they had the medusa box (200$ on ebay) and was faster, less than 40 min and they install all again the system, even unlock again the bootloader
Madness_logic said:
yes, sorry for the late answer, i forgot to close the topic, i buy this service and goes like charm, they had the medusa box (200$ on ebay) and was faster, less than 40 min and they install all again the system, even unlock again the bootloader
Click to expand...
Click to collapse

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