topic Re: Xperia J System version in Other/General

Xperia J System version

Michl81 — Fri, 13 Jun 2014 17:42:28 GMT

Hello, I have Sony Xperia J and i upgraded it to 4.1.2 JB . I want to downgrade it to 4.0.4 ICS because of problems. How can i do it without losing system apps (like Smart Connect). P.S sorry for language mistakes. I don`t know english at all.

Re: Xperia J System version

_alexdon_ — Fri, 13 Jun 2014 17:47:10 GMT

You have to flash a ftf file using flashtool.Check XDA.

Re: Xperia J System version

Michl81 — Fri, 13 Jun 2014 17:50:01 GMT

Do i have to have root, unlocked bootloader, or something like that? If yes tell me how to do this because i don`t know.

Re: Xperia J System version

_alexdon_ — Fri, 13 Jun 2014 17:50:42 GMT

To flash another firmware,you do not have to root.

Re: Xperia J System version

Michl81 — Fri, 13 Jun 2014 17:51:31 GMT

does simlock will return while doing this?

Re: Xperia J System version

Michl81 — Fri, 13 Jun 2014 17:53:54 GMT

do i have to unlock bootloader?

Re: Xperia J System version

_alexdon_ — Fri, 13 Jun 2014 17:55:48 GMT

No,it should not return and you do not have to unlock bootloader.

Re: Xperia J System version

Michl81 — Fri, 13 Jun 2014 17:58:39 GMT

thanks a lot i`ll do this. Can you give me a link to this file?

Re: Xperia J System version

_alexdon_ — Fri, 13 Jun 2014 18:04:25 GMT

http://forum.xda-developers.com/xperia-j-e/general/xperia-jst26i-roms-kernels-mods-how-tos-t2237164

Re: Xperia J System version

Michl81 — Fri, 13 Jun 2014 18:07:08 GMT

11.0.A.7.5 (ICS) Stock ftf`s - Is that one is good?

Re: Xperia J System version

_alexdon_ — Fri, 13 Jun 2014 18:26:01 GMT

Yes,it is stock.