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Forum > Sony Ericsson / Sony > Software, Firmware and Drivers > Reset your Phone Lock Code (A2 phones).

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Author Reset your Phone Lock Code (A2 phones).
ceaser2008
Aino White
Joined: Jul 14, 2008
Posts: > 500
From: Surat, India
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Posted: 2010-01-19 17:41
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Hi guys,

Like so many people here, i have also forgotten my phone Lock Code. So today i have decided to reset it anyhow and while playing with my phone K850i - A2 phone, db3150, BINGO, i found the way. May be this should work with all platform phones. But still this has to be confirmed by the owner of different platform phones.

The solution is- look in your FS in this folder. tpa/preset/default now delete this file- 'security_domain_settings'. That's it. Your Phone Lock Code is reset to 0000.

Before deleting you might want to back up that file. Though it is not required. Tested by me.

Pls confirm this method by different platform phone users.

Thank you.

edit: Just found that by deleting this file, it is not recreated. so there might be some functions which will not be able to use if you delete it. But by activating it, it serves the purpose. asking for passward and all. if you give wrong passward, it will not let you access. Do it at your risk.

this means if you forget the passward again, you will not able to retrive it.

edit 2 : By flashing the phone this file is recreated and you will have the same passward as you have set after deleting that file.

In my opnion, just flash your phone after you use the above mentioned method.

[ This Message was edited by: tranced on 2010-01-20 16:55 ]

[ This Message was edited by: ceaser2008 on 2010-01-20 18:53 ]
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mriley
Samsung Galaxy S II
Joined: Oct 03, 2009
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From: UK
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Posted: 2010-01-19 18:15
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you criminal!
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tranced
LG Nexus 4
Joined: Jan 19, 2006
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From: Santo Domingo, wonDeRland
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Posted: 2010-01-19 18:27
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Thanks!
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hihihans
HTC One
Joined: Mar 15, 2009
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From: Netherlands
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Posted: 2010-01-19 20:45
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@ Mriley, you can try it.
centur
C902 Black
Joined: Jun 10, 2007
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From: Bulgaria
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Posted: 2010-01-19 20:59
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On db2020 haven't 'security_domain_settings':







mriley
Samsung Galaxy S II
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From: UK
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Posted: 2010-01-19 21:25
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@hihi, i will and i am

Its true the file is there
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tranced
LG Nexus 4
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Posted: 2010-01-19 21:34
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What would be the file for the DB2020 phones then?
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mriley
Samsung Galaxy S II
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Posted: 2010-01-19 21:41
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Look what I've found!
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tranced
LG Nexus 4
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Posted: 2010-01-19 21:43
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I knew that already. Was just wondering what the file containing the code was.
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ceaser2008
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From: Surat, India
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Posted: 2010-01-20 09:09
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So this method is working with c901 tested by mriley. Thank you.


Tranced have you checked this folder on your k800 ?
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tranced
LG Nexus 4
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Posted: 2010-01-20 11:02
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@Ceaser2008: centur did check and did not find anything.
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ceaser2008
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Posted: 2010-01-20 11:58
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first post edited one more time.
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mallaccra
K850 Green
Joined: Oct 01, 2007
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Posted: 2010-01-20 17:01
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this is a good trick to reset the forgotten password, thanks for sharing ceaser
mallaccra®
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groovepeppy
Elm Black
Joined: Dec 05, 2007
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Posted: 2010-01-21 18:01
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i guess it will be more easier for db2020 using xs's option to reset the code
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digitalashle
Model not set
Joined: Feb 24, 2010
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Posted: 2010-02-25 04:01
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i have a c510 and i have tried this didnt work for me . do you know eny other way to do this ?
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