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guys, this is my mobile's current specs (also, i have attached a screenshot);
Xperia neo (MT15a)
Android version 2.3.4
Firmware Version 4.0.2.A.0.62
i need to downgrade this to .42 to continue rooting. can somebody give me a link to download ftf file for MT15a??
thanks in advance, really appreciate your help guys.
You can make your own ftf. Repair firmware with update service, then we'll help you with thw next steps.
Via Tapatalk 2.0 on ICS
sdk16420 said:
You can make your own ftf. Repair firmware with update service, then we'll help you with thw next steps.
Click to expand...
Click to collapse
hm.. but update service will give him .62 not .42, right? or are you thinking on making prerooted image? hm now i got idea
@ prazadx: are you willing to do clean flash with pc companion or sony update service, then we'll instruct you how to make .62 .ftf, but it will be around 150MB after you zip it, wich you would need to upload..
then if your phone is sim-lock free your fastboot should be open, and it should accept prerooted .img.
even if your bootloader is locked i think it only matter for kernels.
Someone correct me if I'm wrong
its here mate
Just flash this with flashtool (extract using winzip or eqivalent first to get the ftf), root using flashtool, update OTR, install cmw and you are fine.
gregbradley said:
its here mate
Just flash this with flashtool (extract using winzip or eqivalent first to get the ftf), root using flashtool, update OTR, install cmw and you are fine.
Click to expand...
Click to collapse
hm, will i version work with no problem on a phone? don't know anyone who tried it so I'm asking
Madfysh said:
hm, will i version work with no problem on a phone? don't know anyone who tried it so I'm asking
Click to expand...
Click to collapse
me, it works for me.
I play with my phone a lot and mess with it loads
When i want to go back to a clean instal i flash that, root, update and update.
Not sure why you are making an issue about this, its the .ftf i got from this forum on how to root the neo...
gregbradley said:
me, it works for me.
I play with my phone a lot and mess with it loads
When i want to go back to a clean instal i flash that, root, update and update.
Not sure why you are making an issue about this, its the .ftf i got from this forum on how to root the neo...
Click to expand...
Click to collapse
sorry, I think you missunderstood me.
will mt15i ftf work ok on mt15a phone?
Madfysh said:
sorry, I think you missunderstood me.
will mt15i ftf work ok on mt15a phone?
Click to expand...
Click to collapse
i see your point....but i dont see why not...
try it and see is my advice..
please report back
EDIT:
And if it doesnt surely a quick edit in the build.prop will sort,,,,,
gregbradley said:
i see your point....but i dont see why not...
try it and see is my advice..
please report back
EDIT:
And if it doesnt surely a quick edit in the build.prop will sort,,,,,
Click to expand...
Click to collapse
thanks guys.
also, what is the quick edit (in the build.prop) you told? how to do that?
Madfysh said:
@ prazadx: are you willing to do clean flash with pc companion or sony update service, then we'll instruct you how to make .62 .ftf, but it will be around 150MB after you zip it, wich you would need to upload..
then if your phone is sim-lock free your fastboot should be open, and it should accept prerooted .img.
even if your bootloader is locked i think it only matter for kernels.
Someone correct me if I'm wrong
Click to expand...
Click to collapse
I'm gonna perform this flashing with flashtool. all i need is to downgrade my current firmware to .42, so that i can root my device. also this is a sim lock free device with a locked bootloader.
is there any other way to root without downgrading??
also, thanks mate..
There are another way to root but you need to unlock your bootloader, sorry I cant put links,but if you search right here in this Forum "unlock bootloader" you would see the options to do that.
Definitly this way is the only you have without unlockink bl. Thats all the peoplo say because I cant flash .42 on mine....flashtool stop always before 100% I will format pc...i dont know what other thing can be.
Any suggestion??
Sent from my MT15i using XDA
gregbradley said:
i see your point....but i dont see why not...
try it and see is my advice..
please report back
EDIT:
And if it doesnt surely a quick edit in the build.prop will sort,,,,,
Click to expand...
Click to collapse
thanks mate, it worked without any mod. also, i did rooted my neo thanks to all of you.. thanks again...
Here my step to root my mini pro SK17i, boot loader still same as when it buy..
When I bought it the phone is 2.3.4/4.0.2.A.0.62 and try out many ways from XDA. Yes it rooted but when I update firmware from OTA or pc... my phone back to early state that root are gone...
So I tried out many ways and found this one, try over 3 times to make sure and decide to post this guide.
A.prepare...
1.flashtool 0.7 from this post
http://forum.xda-developers.com/showthread.php?t=1351309
2.fw 4.0.2.A.0.58 .ftf you can find from xda or place..(its not hard to find)
3.root v1.5 without unlock boot loader
http://forum.xda-developers.com/showthread.php?t=1346198
...
step 1.
open flashtool then select flash ==> flash mode ==> select fw 4.0.2.A.0.58..
then check only exclude TA / FOTA / Baseband (only 3 choices) the others must not check..
then select [ok] to continue and wait for connect the SK17i
step 2.
Push your phone in to flash mode by....Turn off your phone..
Then press and hold [volume down] while you plug PC-USB, if you never install driver of flash mode the PC will install it...[please choose continue(ignore) to install, even no matter what happen]
step 3.
waiting around 5-6 minutes... untill all message said all finished..==> then disconnect the phone..
step 4.
turn on your phone..==> then set display to maximum timeout / and set develop USB debug...
step 5.
open (root v1.5) to root the phone
after phone restart....
Your phone SK17i are rooted ready and fw is 4.0.2.A.0.58..
then Backup every things while you are root user...
step 6.
OTA to 4.0.2.A.0.62 back by wifi only, don't choose other else..
Done...enjoy.
^&^'
Is it work with Live with walkman?
Ehm... isn't this the same procedure that everyone has been using for a couple of months?
Feanor88 said:
Ehm... isn't this the same procedure that everyone has been using for a couple of months?
Click to expand...
Click to collapse
Yes, it is.
To OP: OTA update can be done over 3G also, it is not a requirement to use WiFi.
Sent from my Xperia Live using xda premium
"When I bought it the phone is 2.3.4/4.0.2.A.0.62 and try out many ways from XDA. Yes it rooted but when I update firmware from OTA or pc... my phone back to early state that root are gone..."
u said that! i get from this sentence that when u bought ur device u did root without went back to the previous firmware? i mean u didn't flash the rom! did u?
obaidshera said:
"When I bought it the phone is 2.3.4/4.0.2.A.0.62 and try out many ways from XDA. Yes it rooted but when I update firmware from OTA or pc... my phone back to early state that root are gone..."
u said that! i get from this sentence that when u bought ur device u did root without went back to the previous firmware? i mean u didn't flash the rom! did u?
Click to expand...
Click to collapse
He went back to a previous firmware, because .62 is unrootable and so the devices isn't like you have bought it, because the .ftf you flash isn't the same like the one on phone before
that kind of solution excludes AZERTY HW keyborad of the SK17i ? it seems that every custom rom every is design for US HW keyboard but i dont want to lose my keyconfig anymore by switching firmware,
Any solution for french people ? plz
moussm said:
that kind of solution excludes AZERTY HW keyborad of the SK17i ? it seems that every custom rom every is design for US HW keyboard but i dont want to lose my keyconfig anymore by switching firmware,
Any solution for french people ? plz
Click to expand...
Click to collapse
Search for a french firmware ftf, maybe in development forum you could find one
Or you copy the keyprint.xml from your current rom, save it on your pc, flash a generic firmware and push the file back :good:
mihahn said:
He went back to a previous firmware, because .62 is unrootable and so the devices isn't like you have bought it, because the .ftf you flash isn't the same like the one on phone before
Click to expand...
Click to collapse
Sorry for bothering.
I was reading many texts on this forum and all over the net, and because I`m a newbie I`m still not sure if I`m right about this.
So this 4.0.2.A.0.62 firmware is not rootable unless I downgrade right ? I have an xperia ray if that makes any difference.
So the only solution for me to root the phone is to flash the phone with an older version of gingerbread right ?
Thanks in advance.
kobajagrande said:
Sorry for bothering.
I was reading many texts on this forum and all over the net, and because I`m a newbie I`m still not sure if I`m right about this.
So this 4.0.2.A.0.62 firmware is not rootable unless I downgrade right ? I have an xperia ray if that makes any difference.
So the only solution for me to root the phone is to flash the phone with an older version of gingerbread right ?
Thanks in advance.
Click to expand...
Click to collapse
Yes, you've got it. You have to downgrade to 4.0.2.A.0.42 or .58 to root
mihahn said:
Search for a french firmware ftf, maybe in development forum you could find one
Or you copy the keyprint.xml from your current rom, save it on your pc, flash a generic firmware and push the file back :good:
Click to expand...
Click to collapse
Thanks i found a frensh version of the firmware i just finish the downgrade and the root with zerg V4 the device seems to be rooted great
Is it Worth upgrading OTA on .68 ?? i'm afraid of loosing the root :S
AW: [Tutorial] Root mini pro SK17i fw4.0.2.A.0.62
moussm said:
Thanks i found a frensh version of the firmware i just finish the downgrade and the root with zerg V4 the device seems to be rooted great
Is it Worth upgrading OTA on .68 ?? i'm afraid of loosing the root :S
Click to expand...
Click to collapse
I guess there's no .68 firmware. Only .58/.62/.69/
I would update; with an ota update (via wifi) you shouldn't loose root. To be on the safe side, download the local-prop script (how to root .431), run it on your current firmware, update, see if you have root, if not run push-root-files
Sent from my Nexus 7 running Android 4.2.1
mihahn said:
I guess there's no .68 firmware. Only .58/.62/.69/
I would update; with an ota update (via wifi) you shouldn't loose root. To be on the safe side, download the local-prop script (how to root .431), run it on your current firmware, update, see if you have root, if not run push-root-files
Sent from my Nexus 7 running Android 4.2.1
Click to expand...
Click to collapse
Yes .62 excuse me on firmware i told you the TA wasnt excludable i mean that maybe the firmware i had downloaded didnt include that little part of the software is that matter ? Oh, i forgot to tell you that i removed some bloatwares i heard on galaxys that it fails the OTA update its the same with SK17 ?
Sent from my SK17i using xda app-developers app
moussm said:
Thanks i found a frensh version of the firmware i just finish the downgrade and the root with zerg V4 the device seems to be rooted great
Is it Worth upgrading OTA on .68 ?? i'm afraid of loosing the root :S
Click to expand...
Click to collapse
Where did you get the frensh version? I'm looking for the azerty vertion :/
Hi All,
Recently got an xperia s, and to be honest been having a few issues with it, i.e memory probs connecting to pc, and yellow tint on screen.
Stupidly prior to checking everything as always I jumped and unlocked the BL, and installed a custom kernel and rom, XSX and K10 ICS.
I had also prior to this updated to ICS via sony. Problem is now I realised that it has the yellow tint at the bottom of the screen so prior to sending it back to sony I want to relock BL and install stock ICS again and stock kernel.
Please can someone show me a link to this I'm in UK and have a factory unlocked version, I have tried to search but I am confused to which one I need, I also cannot find any kernel.
Finally they are all FTF files and I need to be in Flashmode to use these, unfortunately for some reason my phone will not stay in flashmode green light for more than a few minutes and it just boots up so I dont want to start flashing only for it to stop in between and brick my phone any ideas?.
BTW I managed to install fastboot drivers in windows 8 I know some people had problems in windows 7 & 8, I found a solution if anyone needs
Thanks
Mav.
So simple ^^
1st You need to relock your BL via Flashtool by using This http://j.mp/xps_relock
From here http://forum.xda-developers.com/showthread.php?t=1527159
And when it's done, just update your phone normally via SEUS (Sony Update Service)
jvsykes said:
So simple ^^
1st You need to relock your BL via Flashtool by using This http://j.mp/xps_relock
From here http://forum.xda-developers.com/showthread.php?t=1527159
And when it's done, just update your phone normally via SEUS (Sony Update Service)
Click to expand...
Click to collapse
Thanks jvsykes,
I thought that you had to first have a stock kernel installed prior to relocking your BL otherwise it would brick your phone, I read it somewhere, I would prefer to have a stock kernel and stock firmware then relock the BL, then possibly put it through SEUS to make sure everything is right.
you dont need to relock the BL for yellow tint issue, the custom roms have nothing to do with it, ive sent my phone back twice unlocked bl and custom fw and its been fixed twice without question
maverick7777 said:
Thanks jvsykes,
I thought that you had to first have a stock kernel installed prior to relocking your BL otherwise it would brick your phone, I read it somewhere, I would prefer to have a stock kernel and stock firmware then relock the BL, then possibly put it through SEUS to make sure everything is right.
Click to expand...
Click to collapse
Aha,Well just Flash Stock Firmware via Flashtool [ http://depositfiles.com/files/130eommqj ] [FIRMWARE][6.1.A.0.452] Nordic combined
From here http://forum.xda-developers.com/showthread.php?t=1599303
It will replace your Rom and kernel,after that you can Relock your BL ..
Thanks guys, I really appreciate your help.
Isnt the firmware link rooted?, if so unlocking BL more thank likely will brick it so i've read, also when I go to download it asks for a mob number dont really fancy that?
Dont really want to risk sending away if BL is locked anarchyuk, although i know by right they should fix it.
Thanks
Mav
anarchyuk said:
you dont need to relock the BL for yellow tint issue, the custom roms have nothing to do with it, ive sent my phone back twice unlocked bl and custom fw and its been fixed twice without question
Click to expand...
Click to collapse
lucky you!
maverick7777 said:
Thanks guys, I really appreciate your help.
Isnt the firmware link rooted?, if so unlocking BL more thank likely will brick it so i've read, also when I go to download it asks for a mob number dont really fancy that?
Dont really want to risk sending away if BL is locked anarchyuk, although i know by right they should fix it.
Thanks
Mav
Click to expand...
Click to collapse
Dude!!! NO IT'S NOT ROOTED
P.s I've done it 5 times already and my firmware was rooted ( Stock) and on a custom kernel
By just relocking my BL and update it via SEUS!
jvsykes said:
Dude!!! NO IT'S NOT ROOTED
P.s I've done it 5 times already and my firmware was rooted ( Stock) and on a custom kernel
By just relocking my BL and update it via SEUS!
Click to expand...
Click to collapse
But its not a UK stock, I've managed to use flashtool to install 6.1.a.0.453, but of course thats not officlally our yet so if i sent it in they would know at some point its been rooted to install this rom.
just cant find UK unrooted official 6.1.a.0.452 in FTF or ZIP/RAR format.
Ok just found this
http://forum.xda-developers.com/showthread.php?t=1752864&highlight=6+1+a+0+452+generic+uk
http://www.multiupload.hk/Z97BXEH24E
its a uk generic [6.0.A.3.75]
I can flash this, then relock BL, then use SEUS to update to stock 6.1.A.4.52
Does that seem correct?, or will I have probs?
Also the file I would be using to relock BL is called X10_V1_BLRelock.ftf is this correct?
Thanks
Mav
This one and relock the BL.
http://forum.xda-developers.com/showthread.php?t=1784643
Sent from my LT26i using Tapatalk 2
Thats the one I flashed, but when I goto the sony site it doesnt have this firmware yet for the UK xperia S it has .52, also was the file right regarding relocking BL
X10_V1_BLRelock.ftf
Thanks
No problem you can use this firmware and here the locking method
http://forum.xda-developers.com/showpost.php?p=23188292&postcount=2
Sent from my LT26i using Tapatalk 2
maverick7777 said:
Ok just found this
http://forum.xda-developers.com/showthread.php?t=1752864&highlight=6+1+a+0+452+generic+uk
http://www.multiupload.hk/Z97BXEH24E
its a uk generic [6.0.A.3.75]
I can flash this, then relock BL, then use SEUS to update to stock 6.1.A.4.52
Does that seem correct?, or will I have probs?
Also the file I would be using to relock BL is called X10_V1_BLRelock.ftf is this correct?
Thanks
Mav
Click to expand...
Click to collapse
Reflash the stock firmware then the bootloader lock. Also look in development section for Xperia s Relock. It is called that not the X10 one.
mrsatan said:
Reflash the stock firmware then the bootloader lock. Also look in development section for Xperia s Relock. It is called that not the X10 one.
Click to expand...
Click to collapse
Thanks man,
I'll reflash stock then relock then update via SEUS.
I have a rooted Xperia S with unlocked bootloader, by following instructions on this thread.
Today I received a notification about OTA update to 6.1.A.2.45 (40MB in size) and I was wondering if I can apply this update without loosing root. I really did search for an answer on the forum before making this post and couldn't find anything specific for my phone, but what I did found only confused me more, which is to be expected since I am a noob. Apparently it worked for some users of Xperia Play with unlocked bootloader, but on the other hand some users of Xperia Arc S say that bootloader should be locked when making an OTA update.
I would really appreciate any help from more experienced members, I'm new in Android and don't want to start by bricking my phone.
Thank you for your time and effort.
Boom
better dont, you will end up with a bricked device. NEVER accept OTA updates if your bootloader is unlocked.
Don't update with PCC when you're unlocked.
Wow, that was fast! Thank you guys.
hi, did you find how to update?
BoomBadill said:
I have a rooted Xperia S with unlocked bootloader, by following instructions on this thread.
Today I received a notification about OTA update to 6.1.A.2.45 (40MB in size) and I was wondering if I can apply this update without loosing root. I really did search for an answer on the forum before making this post and couldn't find anything specific for my phone, but what I did found only confused me more, which is to be expected since I am a noob. Apparently it worked for some users of Xperia Play with unlocked bootloader, but on the other hand some users of Xperia Arc S say that bootloader should be locked when making an OTA update.
I would really appreciate any help from more experienced members, I'm new in Android and don't want to start by bricking my phone.
Thank you for your time and effort.
Boom
Click to expand...
Click to collapse
i also have an open bootloader although not root, but i tried updating using the phone's OTA and PCC and neither worked. I promptly realized it might just be the open bootloader which is keeping me from updating, so how do we manually update? if you have any procedures will highly appreciate anyone..... thanks in advance
abajarde said:
i also have an open bootloader although not root, but i tried updating using the phone's OTA and PCC and neither worked. I promptly realized it might just be the open bootloader which is keeping me from updating, so how do we manually update? if you have any procedures will highly appreciate anyone..... thanks in advance
Click to expand...
Click to collapse
You can find your regions FW. (firmware) and download it, after that download and install flashtool, and flash the .ftf file via flashtool and that is it.
thanks for the quick reply
Anicane said:
You can find your regions FW. (firmware) and download it, after that download and install flashtool, and flash the .ftf file via flashtool and that is it.
Click to expand...
Click to collapse
Im going to engage in a rather noobish conversation but i want to be completely sure before i proceed to install. my phone and my pc companion both find the update which is 6.1.a.2.45, which i assume is the one i need to find on .ftf. after downloading it from wherever i find it i just open the flash tool program and select it to start the installation? and again thank you
---------- Post added at 07:42 PM ---------- Previous post was at 07:28 PM ----------
Anicane said:
You can find your regions FW. (firmware) and download it, after that download and install flashtool, and flash the .ftf file via flashtool and that is it.
Click to expand...
Click to collapse
i did a fast search and found this thread
http://forum.xda-developers.com/showthread.php?p=31011440#post31011440
they have some firmwares there, but they seem to be full updates, because they are 300+mb while the update on my phone its only 40mb.
so should i just download the generic and proceed to flash?
Anicane said:
You can find your regions FW. (firmware) and download it, after that download and install flashtool, and flash the .ftf file via flashtool and that is it.
Click to expand...
Click to collapse
Where do i find a xperia s Brazil firmware? I downloaded every other regions, but i want the brazilian one. Can you help me? Thank you.
BoomBadill said:
I have a rooted Xperia S with unlocked bootloader, by following instructions on this thread.
Today I received a notification about OTA update to 6.1.A.2.45 (40MB in size) and I was wondering if I can apply this update without loosing root. I really did search for an answer on the forum before making this post and couldn't find anything specific for my phone, but what I did found only confused me more, which is to be expected since I am a noob. Apparently it worked for some users of Xperia Play with unlocked bootloader, but on the other hand some users of Xperia Arc S say that bootloader should be locked when making an OTA update.
I would really appreciate any help from more experienced members, I'm new in Android and don't want to start by bricking my phone.
Thank you for your time and effort.
Boom
Click to expand...
Click to collapse
Hmmm,
Slightly different scenario here.
I have a rooted xperia S with a locked bootloader and obviously want to preserve root.
Previous experience tells me that a PC update from SEUS does a full wipe of the phone and looses root however OTA updates usually preserve root. I was hoping somebody could clarify if this is still the case?
Thanks
if your bootloaders unlocked you cant update ota or via seus. it will just give an error about your device being modified
Hmmm,
Slightly different scenario here.
I have a rooted xperia S with a locked bootloader and obviously want to preserve root.
Previous experience tells me that a PC update from SEUS does a full wipe of the phone and looses root however OTA updates usually preserve root. I was hoping somebody could clarify if this is still the case?
Thanks
Click to expand...
Click to collapse
same question as you, i have a rogers xperia s with a stock uk rom, it's rooted but bootloader is still locked. Just want to make sure that i don't loose root, or the root method can still be applied after the update.
i found something which might help you
hackit said:
same question as you, i have a rogers xperia s with a stock uk rom, it's rooted but bootloader is still locked. Just want to make sure that i don't loose root, or the root method can still be applied after the update.
Click to expand...
Click to collapse
there is a rom somewhere in another forum i guess which already is updated and rooted. so you might want to just download that one and flash it. it has its own kernel and recovery.
abajarde said:
there is a rom somewhere in another forum i guess which already is updated and rooted. so you might want to just download that one and flash it. it has its own kernel and recovery.
Click to expand...
Click to collapse
I thought you could not use pre rooted rom with a locked bootloader.
Sent from my LT26i using xda premium
hackit said:
I thought you could not use pre rooted rom with a locked bootloader.
Sent from my LT26i using xda premium
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1723610
I've not been on much recently at all so I could be wrong, but I'm sure it's been said that you can flash ROM such as the linked one when bootloader is locked and perhaps the pre-rooted one too. May need to search the thread.
Nothing out there that allows me to root my Xperia S on ICS without wiping my data though I think. One can wait... or dream. :[
Chocolate Columbo said:
Nothing out there that allows me to root my Xperia S on ICS without wiping my data though I think. One can wait... or dream. :[
Click to expand...
Click to collapse
Yeah having too wipe at this point is a bummer. If I'm going to wipe my phone ill wait for the ability to unlock my locked bootloader.
Problem with that is I will most likely have a new phone by then.
Sent from my LT26i using xda premium
Hello guys i need a bit of help here.I want to root my phone ,I got Xperia P LT22i android 4.1.2 (build 6.2.A.0.400) bin4ry and other programs didnt help me , my device says that i cant unlock bootloader in the configurations ,What can i do to root my phone ? is there other methods to root a phone ?
Thanks in advance
no way??/
partizan29 said:
Hello guys i need a bit of help here.I want to root my phone ,I got Xperia P LT22i android 4.1.2 (build 6.2.A.0.400) bin4ry and other programs didnt help me , my device says that i cant unlock bootloader in the configurations ,What can i do to root my phone ? is there other methods to root a phone ?
Thanks in advance
Click to expand...
Click to collapse
so i guess there is no way to root my phone , only to wait until a new method will be released to root it without unlocking the bootloader?
Thats an old JB build. Update it.
Sent my Carbonised Xperia P
AndroidNoob69 said:
Thats an old JB build. Update it.
Sent my Carbonised Xperia P
Click to expand...
Click to collapse
I have the same build, and i can't update it. It says that i have the latest available update.
Any thoughts on that?
Thanks
mogwa1 said:
I have the same build, and i can't update it. It says that i have the latest available update.
Any thoughts on that?
Thanks
Click to expand...
Click to collapse
Updates are region and/or provider dependant.
You can take your chances and flash generic world formware.
ChikeD said:
Updates are region and/or provider dependant.
You can take your chances and flash generic world formware.
Click to expand...
Click to collapse
I want to do it so i can root my phone, but since I've never done this, I'm a bit insecure and hesitant.
From the research I've done rooting my Xperia P is preferred to be done with the latest firmware which I don't have.
What would you suggest I do? I am completely new to this.
Thanks
mogwa1 said:
I want to do it so i can root my phone, but since I've never done this, I'm a bit insecure and hesitant.
From the research I've done rooting my Xperia P is preferred to be done with the latest firmware which I don't have.
What would you suggest I do? I am completely new to this.
Thanks
Click to expand...
Click to collapse
Like before you do anything with your phone, take a full backup with PC Companion, and backup other data it doesn't manually.
Then you will need to download and install flashtool, install the drivers for Xperia P, flash mode, and fastboot mode with the drivers installer from drivers directory under flashtool directory.
Find and download generic 6.2.A.1.100 firmware file and flash it.
Exclude TA when you flash.
I have my firmware uploaded here, it's a two part 7-Zip, archive.
You may look for others that are more sutable for your region.
To root 6.2.A.1.100 use DooMLoRD Easy Rooting Toolkit.
My phone is acting really crazy and I can't do a backup with PC Companion, nor with the phone app for backup, but I don't care anymore.
I'll try everything you suggested and let you know if it worked.
Thanks a lot, you have been more than helpful. I really appreciate it.