How to Root Xperia Arc S - Xperia Arc Q&A, Help & Troubleshooting

Hello Everyone..
i hv xperia arc s(lt18i)
android version 4.0.4
basebandversion 8x55A-AAABQOAZM-203028G-77
kernal version 2.6.32.9-perf
build n.o 4.1.B.0.587
i want to install(upgrade) to jellybean 4.1.2
my phone is not rooted
can any tell me how to root phone n upgrade to jelly bean..
Thanks.

Read the guides and stickys, Google even, read the page this thread is on.
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Related

Help my with this xperia arc s

hi everybody, I have a xperia arc s LT18i is not new, I've been reviewing, it has android version 4.0.4 but it seems more to 4.0.3 (the interface is the same) and has also 4.1.B.0.431, could you helpme to pass on a correct to version 4.0.4.
Thank you.
I'm not sure what you're getting at but that IS the latest version of Android available for your phone.
Raulin lin said:
hi everybody, I have a xperia arc s LT18i is not new, I've been reviewing, it has android version 4.0.4 but it seems more to 4.0.3 (the interface is the same) and has also 4.1.B.0.431, could you helpme to pass on a correct to version 4.0.4.
Thank you.
Click to expand...
Click to collapse
If your device has 4.0.4 and 4.1.B.0.431 is the build number, then this the latest update from from SONY for ARC S /Lt18i and Lt18a.
xtacy and auni are right its the latest Update from Sony

CyanogenMod for Xperia Arc S?

i just wanted to know, is their a CyanogenMod for the Xperia Arc S
-Version 2.3.4
-Model Number: LT18i
-Build Number: 4.0.2.A.0.42
if their is please tell me cause i would really like to install a custom rom, mainly CM
ImNineLIVES said:
i just wanted to know, is their a CyanogenMod for the Xperia Arc S
-Version 2.3.4
-Model Number: LT18i
-Build Number: 4.0.2.A.0.42
if their is please tell me cause i would really like to install a custom rom, mainly CM
Click to expand...
Click to collapse
You can browse through all the available custom ROMs for the Arc/S in Development section.

Latest Gingerbread update for Arc S?

Anyone help me find the last GingerBread update for Xperia Arc S LT18i I've upgraded it to 4.0.4 and was very disappointed on its performance so I decided to flash manually back to GingerBread.
Please post links here on where to download the latest/last GingerBread firmware for Arc S.
Thanks!
Latest firmware (or update) is .62 or 4.0.2.a.0.62
For Germany, latest is 4.0.2.A.0.69, everywhere else it is 4.0.2.A.0.62.
Check my signature for stock firmware downloads, if there is not, then check in Arc General section, there is stock firmware downloads I think also.

Rooting xperia arc s 2.3.4 4.0.2.a.0.62

HI GUYS!
First time to be here and a first timer on adroid phone.
I read a couple of thread regarding on how to root XPERIA ARC S 2.3.4
I tried rooting my phone using zergrush that i got from this thread
http://forum.xda-developers.com/showthread.php?t=1321582
I tried the latest version and tried it a couple of time already.
I also read about downgrading the FW to .5 or .4 something like that before i can use the zergrush and then just update it to .62 OTA
here's my result
https://twitter.com/Johariii/status/288822196829306882/photo/1
i have
SONY ERICSSON XPERIA ARC S
Model Number: LT18i
Android Verson: 2.3.4
Build Number: 4.0.2.A.0.62
Rooting Status: Bootloader unlock allowed: Yes
I hope my informations are very useful for your help.
Please HELP ME:crying:
A MILLION THANKS!
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<Enquiry> Sony Xperia SL

I Have Sony xperia SL > Android Version 4.1.2
Can i downgrade the version to 4.0.4 without issues or simlocked before i install the rom
and dose 4.0.4 good in battery
thanks for all
Maher1994 said:
I Have Sony xperia SL > Android Version 4.1.2
Can i downgrade the version to 4.0.4 without issues or simlocked before i install the rom
and dose 4.0.4 good in battery
thanks for all
Click to expand...
Click to collapse
Yes You can downgrade to 4.0.4 . Simlock won't occur if You downgrade, given that You don't have any Operator restrictions. Can't comment on battery though.
Thanks Mirhawk ,
i ask because i was have samsung galaxy s3 android version 4.2.2 , i install 4.1.2 and simlock > just Call emergency Only ,

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