Develop Bugs

[Q] can't re-unlock bootloader

I guess I'm really having a BAD BAD luck this week
my phone got sort of bricked the other day.
It won't boot. it's a white r800i btw from HK bootloader unlocked
first I was trying to factory reset the phone. but it won't, nothing happens when I press that darn button.
then. tried flashtool to flash the latest R800i_4.0.2.A.0.42_Generic firmware. it didn't went well and I was really shocked! it's the first time. been flashing this thing for months now. then tried it again and still no go. tried another firmware and still nothing. then tried .368 firmware and it wen't well with wipe. I pressed the power button. after se logo on splashscreen i saw a big exclamation point. wondering what that maybe. then the phone shuts itself down. then I tried relocking the firmware to try my luck with seus. thought it'll fix my phone cause it flashed a downloaded file but hey it did not. seus said there was a problem flashing the phone and I wish there was a log telling what went wrong.
tried re-unlocking and then flashed .368 again it boots up but gave me low space issue. made my way to fastboot and did a command ( fastboot -w ) and I got an error about bootloader saying 2158 bad blocks were encountered :S
now I relocked my bootloader to try my luck again with seus but after reinstalling and rebooting my pc It says that I have the latest version and yeah pc companion says that too!
then went to unlock the bootloader again but now it won't unlock! it says can't unlock oem or something at the end and flashtool won't flash any ROM now including .368 I get an error msg everytime when flashing kernel.sin
tried flashing via fastboot but I can't it says phone need to be rooted first!
boooooooooooooooooy. I just don't know what to do anymore (
I love this phone badly that Ive been up for 4 straight days trying to figure out something about this. tried asking for help from alejandrissimo and he asked me to invite him on gtalk. did that and asked jynx13 too. alejandrissimo and I have a BIG time difference. Hope he can help me out. or jinx. jinx is trying to help me out bit by bit. but still no dice
now even worse things happen. can't flash anything via free software
I just hope it's a bootloader problem and can be fixed with alejandrissimo's remote unlocking and fix

bricked r800i
hi
i have same probleme last 2 month after first ota update, fatgsm can repair your phone in seus mode but it's possible you lose fastboot , but after repair with fatgsm you can repair fastboot with omnius
http://www.fastgsm.com/en/sonyerics...nlock-network/flashing-debrand/network-unlock
9.99$ select youre original firmware and flash it in seus mode ( green led)
by

[Q] flashtool error

OK i've been trawling the forums but so far i've not found an answer.
i've got a T-mobile branded arc and its bootloader is unlocked. it is running .62 firmware.
i'm trying to flash the generic uk .42 firmware but i keep getting the following error:
ERR_SEVERITY="MAJOR";ERR_CLASS="SECURITY_CLASS";ERR_STATIC="SIN_HEAD_VER";ERR_DYNAMIC="Failed to verify sin header";
i've tried a couple of different firmwares, and i've definitely got my phone in the right mode with usb debugging enabled.
can anyone help?
Thanks

Me again... I remembered a similar thing with someone's x10 a while ago, it was caused by low battery while flashing. The resolution was to repair the boot, which for the x10 meant a service centre. But you can use fastboot to do it, just connect in fastboot and use the erase command, erase boot, erase userdata, erase system. I'd give that a try.
sinkster©

Thanks for the response. Following something I'd read on the X10 forums I did consider doing a repair via pc companion but I wasn't sure what implications it might have following having my boot loader unlocked.
I'll give this a go and let u know if it works.
Thanks again!

ok could really do with some help now. still has the same problem with the added fact that my phone is now bricked.
Please help!!!!!!

after 'erase boot' have you tried booting a new .img?
D/L a rom that's cwm flashable to your sd card, boot into doomkernel and try flashing the rom(if you haven't already)

thanks for the quick response.
i've tried flashing the cyanogen boot image but sadly that fails. sorry to sound like a noob but i went to the github site to download doomkernel but for the life of me i couldnt find the boot image.

in the latest flashtool need to install the drivers or not? inside drives folder one..

I'm really sorry but i don't understand. I don't have any driver issues if thats what your getting at.

Are you able to boot kernels with fastboot?

hey sinkster.
ok managed to install different boot images (tried a few just to check) and all that happens is that i get the splash screen and it stays there.
still can't install any roms using flashtool. and to be honest i'm not sure how to do it using fastboot
any ideas?
thanks

Once you have installed the kernel, disconnect the phone from the pc and turn it on. When you see the kernel image, press the back button. This should send you into CWM and from there you can install a rom like "update.zip". On my girlfriend's x8 after flashing nAa kernel I was also surprised that it did not boot again to stock rom, but afterwards I pressed the back button which led to CWM and flashed a rom. Try to wipe data, cache, dalvik and battery stats also. The rom should work. If you notice any problems, just reinstall the rom again wiping data, cache, dalvik and battery stats (first time I got wifi issue and battery drain issue - android was taking 46% ) ). All the best. I hope I helped.

For flashtool just d/l a rom file(ftf), put it in the firmware folder, power down phone, run flashtool, click flash, select firmware. When it says connect then connect usb while pressing back(led is green) and rom should flash with a log on screen. this will flash an entire rom and kernel, or a baseband. For fastboot, open fastboot folder, move kernel(s) to folder, shift&right-click and select 'open command window here', power down phone and connect usb while pressing menu(blue led). In cmd window you can type 'fastboot devices'to check the phone is connected, to boot a kernel then type 'fastboot flash boot boot.img', or whatever the kernel file is called(I have 4or5 so name them individually)
so first use flashtool and flash the file here http://forum.xda-developers.com/showthread.php?t=1359303
that gives you stock rom/kernel; if you want a custom rom put it on your sd card to flash with cwm. if you want or need a custom kernel the fastboot doomlords kernel
These are the basics, you probably know all the above but just in case.

Gents thank you for your help. got somewhere finally. managed to flash BLENDMIUI onto phone andd got it working. for some reason SE Tweek does not want to work.
sinkster thank you for the summary.i originally mis-typed. when i said i didnt know how to flash a rom with flashtool i actually meant fastboot. but i'm now fully up to speed using cwm.
and thank you valy_cta, that got it working in the end.
its strange that i still get the same error when flashing any roms with flashtool though. tried about 6 or 7 different ones and i still get the initial error.
if i repair the phone with pc companion, would it lock the bootloader again?

other way round, you need to lock the bootloader before you update. Just unlock again, it'll be the same code.
sinkster©

ah the problem with that was that i had to get jinx13 to unlock it.
really what i want to do if flash a stock rom, which i still can't seem to do.
EDIT: since flashtool doesn't seem to work for me I found out from one of DooMLords threads that you can extract the ftf files and flash with fastboot. job sorted.

[Q] Unable to access flashmode (green led), need help!

Hi,
I've just rooted the device (c6503), backed up TA-keys, and finally unlocked the bootloader using the official way through sony website. The phone booted fine and my next step was flashing a custom rom... That's when **** happend. I downloaded P.A.C True All in 1 ROM[Nightlies] and followed the instructions how to flash. Flashed the boot.img and then you need to reboot the device in recovery but the 3 sec violet led never happend...
Now I have downloaded stock ftf (C6503_10.1.A.1.434_Customized_DE.ftf) and want to flash it with flashtool but I'm unable to boot the device in flashmode (green led). I can however boot in flashboot mode (blue led) but as I understand, that doesn't help because i can't boot into recovery.
I never flashed a recovery, is that a problem?
What can i do now? Is the phone bricked?
Thanks in advance!

Now I have downloaded stock ftf (C6503_10.1.A.1.434_Customized_DE.ftf) and want to flash it with flashtool but I'm unable to boot the device in flashmode (green led). I can however boot in flashboot mode (blue led) but as I understand, that doesn't help because i can't boot into recovery.
-----------------------------------
It happened to me also.
Start Flashtool, choose your xxxx.ftf and wait till it totally loads (do not connect your phone yet). Now, when your Flashtool is totally ready and the small window opens with the instruction how to connect the phone, open the small backcover of your phone and press-hold the small yellow button till it rings x3 times (it takes ~10-13 seconds to hold the button). Now, do not waist time, press-hold volume down and insert the usb cable, the flashing should start.
I had similar problem and I guess my phone root is corrupted, I cannot download updates directly from Sony but I can flash updates without problems.
If anyone knows how (if its possible) totally reflash everything, you help will be appreciated.
Good luck.

Alright, it seems like I'm having some problems with the usb drivers for flashtool... Are there different drivers for flashmode and fastboot? Because the fastboot drivers seems to be working correct but not flashmode drivers. Running windows xp, maybe that is a problem too Can someone please point me to the right direction of where i can download those usb drivers?
I have the modified android_winusb.inf for the Xperia Z but that doesn't seems to be enough.
I managed to flash FXP cm10.1 and got it running which also gave me a working recovery. But I would like to try out the P.A.C True All in 1 ROM[Nightlies] but when I flash the boot.img of that one I lose the recovery.... Weird, my old HTC desire Z always had the same recovery without any problems while flashing all kinds of ROM:s. This is indeed confusing.
Should i flash the boot.img of the ROM and then a recovery? If so which recovery? As i understand all the recoveries are for stock kernel but the kernel for these custom ROM:s could not be stock right? I'm a bit confused here really
Excuse my bad spelling and such, english is not my main language.
Thank ChimPilot for the quick reply!

Go to Google Play Store and download: Superuser, X-parts and ROM manager. Those are must haves if you are playing with ROMs.
You are in better shape if you can access the bootloader because I cannot, so I am considering to reflash everything and that would be my weekend project.
The problem I have is corrupt path to root and so Sony's PC companion spit me out, Sony's SUS does not go through and my last try would be Emma but it requires unlocked bootloader which is corrupt in my case. If anyone would give me a hint which directon to follow, it would be much appreciated. Thanks.

xperia play bricked? pls help

hi all im hoping u can help me i have an xperia play which i tryed to root using cynogen mod 12 but it fails on install it will then reboot and show the blue cynogen logo but sit thier untill battery pull. i can access cyonogen recovery but thats all. ive tried installing other roms such as 9, 10 and 11 but all do the same thing (although 11 does seam to install/unpack).
i unlocked the bootloader and rooted the phone successfully. i also used flashtool to flash the boot.img.
i have heard i could fix the problem by sideloading another better recovery tool but i dont know how to do that. as off now im stuck in cynogen recovery.
any advice you could give would be greatfully appreciated, at this point im completely out of ideas and if you need anymore info i would be happy to provide it
thanks in advance

Hi,
It would be nice if you linked the exact ROM you tried to flash on you phone. It sounds like the boot.img is incorrect.
You can try flashing this kernel forum.xda-developers.com/showthread.php?t=1804003 . This one is for ICs roms(4.0.x).
Or this one - for Jelly Bean versions(4.1-4.2) - forum.xda-developers.com/showthread.php?t=1861970 .
All you have to do, is boot into fasboot mode and flash the given .img file as boot.img. (The difference between 480p and 720p kernels, are that 480 can't capture 720p videos, but sometimes 720p kernel doesn't work with all roms).

hi tnx for the help the rom i tried to install was cm-12-20150314-UNOFFICIAL-LegacyXperia-zeus
i think your idea would work but im unable to boot into fastboot mode as i used flashtool before and it doesnt recognise my phone anymore ( i dont know if i can use ADB as that option is available on my boot loader)
if you could provide me with a link to how to flash a new .img/rom using another way other than flash tools that would be really helpful. im sry to be such a noob, i have rooted every phone i had and never encountered this problem before and am completely stuck.
tnx again for your help

ok ignore my last msg i managed to flash the .img in fastboot no problem but now it wont let me into recovery mode so i think im stuck in some infinate boot loop no matter how many times i click volume down it just reboots after about 2 mins, anything i can do about that or am i now really bricked?
tnx again for your help

rob17zero1 said:
ok ignore my last msg i managed to flash the .img in fastboot no problem but now it wont let me into recovery mode so i think im stuck in some infinate boot loop no matter how many times i click volume down it just reboots after about 2 mins, anything i can do about that or am i now really bricked?
tnx again for your help
Click to expand...
Click to collapse
Well you could try to return to point zero by flashing your phone to stock rom and try to begin from there.
You can do that by using flashtool and downloading stock ROM from these forums.
BTW, you can enter flash mode by inserting usb cable and holding search button(i think, you can try other buttons). Your LED has to turn green, blue is fast boot.
Also if your flashtool give you errors, download earlier version (see some other threads about flashtool, there are links to older version). Maybe it doesn't recognize your phone, because of the new version, i've had problems with it too, but i had to download old version and everything started to work as expected.

Rooting Xa1 Plus (G3412) - Recovery problem

Hello community!!
This is my first post here ^^
So I'm trying to root my g3412. After struggling to find drivers for S1 Fastboot, I successfully unlocked my bootloader (via Flashtool) . The only thing left is to flash the TWRP recovery and root it.
But I'm experiencing some weird problems.
When I'm trying to flash the recovery using ADB everything seems ok but when i try to turn on my phone it bootloops between the "your phone cannot be trusted" message and the Sony logo. After i freaked out for a couple of hours i found out that the only way to overcome this loop is to flash a fresh stock rom via FlashTool.
I'm back at step 1 and i can't really find a way to flash the recovery so i can continue my rooting process..
Also I think i found out while searching that g3412 doesn't have a stock recovery, so i guess that has to be considered as well.
Any ideas??
Thank you all in advance!!

You better change your handset...
Well i'm sorry to say but you can't root xperia xa1 plus,. the reason is there is no working TWRP for this mobile... I've tried almost every boot img on internet, none of them worked.... you better change your handset.. as there will be no TWRP img in future...