Trouble downgradin J8210 to android 9 - Android Q&A, Help & Troubleshooting

i opend the booloader downloaded the right firmware and deleted all the ta files, tried using New flasher but the device stuck on loop that the software is corrupted and i cant fix it using the xperia companion because it says the device is locked and less than 50% battery. PLEASE HELP ME

for anyone wondering I solved this eventually by using flash tool called Emma

Related

[Q] How to update rooted SK17i to stock 2.3.4 with unlocked bootloader?

Hi everyone. I've got this problem which i can't solve (nor find the solution on the net).
I have a rooted mini pro with stock 2.3.3. I've unlocked bootloader through sony ericsson website and verificated my IMEI number there. Then i've rooted my mini pro - and kept stock 2.3.3.
The 2.3.4 update is out now (PC Companion says that too), but windows keeps failing to install the MTP USB drivers when i try to connect in this mode according to guide in PC Companion. I gave up trying to update firmware this way after lots of attempts.
So i decided to try update by SEUS. When i connected in recovery mode, SEUS said that software in my device was changed and thus cannot be updated. I really don't know what to do now. I'm afraid that SE blocked updates to my IMEI number as i unlocked the bootloader, but i'm just guessing.
The question is:
Does someone know how to update my mini pro to stock 2.3.4? Is there any way to lock bootloader back as it was and get SE to know that i'm a nice guy again?
Thank you very very much for any help! I'm starting to be desperate about this.
Adam
try with http://www.wotanserver.com or use flash tool or find someone who has setool...

[Q] Sony xpera arc s bricked

i recently bought a sony xperia arc s from a friend....it had andriod 4.0...it was running slow so i wanted to downgrade it to gingerbread.....i used flashtool and flashtool failed saying processing kernal.sin failed....now my phone is showing anything except phone and yellow sign when i turn it on...
I USED SONY UPDATE SERVICE AND IT DETECED MY DEVICE AND DOWNLOADED A FIRMWARE OF 230mb BUT IT FAILED WHILE INSTALLING A FIRMWARE...
PLZZZZZZZZZ HELP ME OR ELSE I LOSE 20000PKR PLZZZZZZZZZZZZZ...
HOW CAN I UNBRICK OR RESOLVE THE ISSUE
Ok

[Q] Upgrading Xperia mini pro sk17i from stock rom

I have an Xperia mini pro sk17i with 2.3.4 Android. I'd like to flash newer/custom roms to it, but I've got a few questions/issues.
So far I've removed the sim lock and I *think* (it was a while ago now) I have unlocked the boot loader with the test point method. In service info it says "rooting status: Bootloader unlock allowed :yes", is that what I should see after a test point unlock? I also tried the fastboot.exe unlock, but that comes back saying that "phone is already unlocked". I don't recall whether I've rooted the phone or not.
Next step is I'd really like to take a backup of my stock rom before I reflash it. Is there a way to read the current firmware back off the phone and make an image file of it? Everything I found talks about a slightly different way to get it - using SUS (which doesn't work any more), or PC companion to download the firmware from Sony, and then create an image file from that. PC companion (v2.1) seems to get stuck in an infinite loop. Whenever it detects the phone, it comes up on the phone screen: "do you want to install the pc companion software on your computer". If I say yes it just downloads and installs what is already there. And then it just tells me that my phones memory is not accessible, and to check for sim card and screen unlocked. Even if they both are, it won't detect it.
I also tried to use the Sony program called "Emma", which I think does the same thing, but in bootloader mode? Yesterday I got it started and connected my phone, and I think it said my phone still needed boot loader unlocking first (but I thought it was. maybe not then)?? Today Emma won't even load - it says Win XP isn't supported any more, but I'm sure it worked yesterday on this pc!
I don't want to go any further without backing up the stock firmware if possible, so what should I try next?
Install CWM recovery then do a backup. Look around the stickies for links, there's plenty of tutorials for it. Good luck :

Error after flashing/update software

Hi!
After flashing my M4 Aqua i got error when i turned on my mobile:
"Got Failed TA value at startup! 0x55"
and 2 keys: POWER OFF and Use Phone
After i reflash on Flashtool or use PC Companion to repair error didnt dissapear. Every time i turn on mobile after flashing or after data factory reset i got this error :/ I have locked bootloader and got no root. How to repair it?
Help someone pls...
I'have same issue with xperia M4 aqua Dual, E2333
Error after reset setting " got failed TA value at startup -0x56"
Device work but have not network
Solution please!
Hi. Try flash 26.1.A.2.99 with Flashtool and if succeed, update to the newest available firmware with PC Companion :fingers-crossed:
Remember to keep away 'simlock.ta' file from your device, it may brick your phone/make sim not detecting (always exclude like default selected in flashtool)
If you can't flash 26.1.A.2.99 you can try to wipe your device (factory reset or select USERDATA and apps_log in flashtool), exclude/include both 'cust-reset.ta' and 'fota-reset.ta' files in Flashtool.
Hi! Thanks for answer but is not working for me
I tried this metod and its work only until you factory reset at phone
I mean after flashing .99 error still shows up but after update software at PC Companion to newest error disappears for some time(until factory reset).
So after all error doesn't disappears for ever
The only way is again downgrade to 26.1.A.2.99, update with PC Companion and no more factory reset for now, may coming Marshmallow update can fix this problem or go to nearly Sony Centre or place where you bought your phone, they should know how to fix this
Ehh Yeah I hope 6.0 update will fix it...
I think that custom rom can fix it
Someone has a link for cyanogen or other one?

used SPFLASH tool on huawei y600 and the phone won't turn on anymore

this was my first time trying to install a new firmware on this phone
the phone was stuck on the huwawei logo I googled and found I have to flash it
I downloaded a firmware
and flashed it using SPFLAH tool Firmware upgrade option
Now the phone won't event start or get recognized by the computer
any help?
I forgot to mention that when I first chose the option to DOWNLOAD only it gave me an error like PMT changed and must be downloaded or something like that
so I changed it to Firmware upgrade

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