[Resolved] Difference between odexed roms and deodexed roms

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twistergear

Senior Member
Oct 17, 2011
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a.cid said:
What's the difference between an odexed rom and a deodexed rom???
And how do I find out whether my rom is deodexed or not??
Using stock gingerbread 2.3.4 ddkq5...

Sent from my GT-S5670 using XDA App
Click to expand...
Click to collapse

There is more technical explanation to this, but the easiest way to find out is to use root and root explorer and in your phone's /system/app normally you have the .apk and coresponding .odex to every application inside your phone. Deodexed rom (mostly Custom Rom) don't have .odex files.

Deodexed is like decompiling the application (java..etc.) and recompiling it at the same time so that the apps will work even without the .odex file. Once your rom is deodexed you can modify the look of your phone, like adding custom theme for example. this is AFAIK.

If you have a stock rom (original or update), it's not deodexed, unless it is indicated when you downloaded it.
 
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ajhavery

ajhavery

Senior Member
May 21, 2011
957
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Gurgaon
www.progeeky.com
porcupineli said:
What is the purpose of the .odex files?
Click to expand...
Click to collapse

I know very little but .odex files have something to do with dalvic cache.
This is the reason deoxed roms takes longer time to boot for the first time than odexed rom because they need to create dalvic cache for each app however odexed rom don't.
My knowledge is very little so I might be wrong.

Sent from my HTC Vision using Tapatalk
 
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D@rekills4

D@rekills4

Senior Member
Nov 6, 2010
2,183
752
a.cid said:
What's the difference between an odexed rom and a deodexed rom???
And how do I find out whether my rom is deodexed or not??
Using stock gingerbread 2.3.4 ddkq5...

Sent from my GT-S5670 using XDA App
Click to expand...
Click to collapse



Odex ROMs have their main files moved to another area for faster booting while when you deodex the ROM these files are compiled back inside the APK....

To know weather your phone is Deodexed or Odex, just open Root Explorer app and navigate to "/system/app" and check if there files with ".odex" extension....
If yes then your ROM is Odex
Otherwise, your ROM is Deodexed....



The benefits of having a Odex ROM :
1. More space in "/data" partition.
2. First boot is faster.

The benefits of having a Deodex ROM :
1. You can customize the ROM the way you want without worrying about odexes....
 
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cyanide0007

cyanide0007

Senior Member
Dec 30, 2011
166
380
mangalore
helpppp

D@rekills4 said:
Odex ROMs have their main files moved to another area for faster booting while when you deodex the ROM these files are compiled back inside the APK....

To know weather your phone is Deodexed or Odex, just open Root Explorer app and navigate to "/system/app" and check if there files with ".odex" extension....
If yes then your ROM is Odex
Otherwise, your ROM is Deodexed....



The benefits of having a Odex ROM :
1. More space in "/data" partition.
2. First boot is faster.

The benefits of having a Deodex ROM :
1. You can customize the ROM the way you want without worrying about odexes....
Click to expand...
Click to collapse



but how to customize ??
i've installed FITDROID 3.1 by Vish Patil.. der i dnt find option to remove number of HOMESCREENS???

plz helpp.... sorry for this NOOOOOB qustn.. ":(
 
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mohanass

mohanass

Member
Jan 9, 2012
16
4
Auckland
D@rekills4 said:
Odex ROMs have their main files moved to another area for faster booting while when you deodex the ROM these files are compiled back inside the APK....

To know weather your phone is Deodexed or Odex, just open Root Explorer app and navigate to "/system/app" and check if there files with ".odex" extension....
If yes then your ROM is Odex
Otherwise, your ROM is Deodexed....



The benefits of having a Odex ROM :
1. More space in "/data" partition.
2. First boot is faster.

The benefits of having a Deodex ROM :
1. You can customize the ROM the way you want without worrying about odexes....
Click to expand...
Click to collapse

For your point of view, which one is better odex or deodex? Thanks for the reply :)
 
midi_1996

midi_1996

Senior Member
Aug 8, 2011
305
65
But what if we flashed a odexed only zip file with CWM on a deodexed rom, will it harm the phone or it's ok?!
 
a.cid

a.cid

RC / Retired Mod / Portal Team
Nov 18, 2011
4,868
2,964
Mumbai
midi_1996 said:
But what if we flashed a odexed only zip file with CWM on a deodexed rom, will it harm the phone or it's ok?!
Click to expand...
Click to collapse

worst case scenario, you may have to reflash your rom...
75% of the time, stuff for odexed roms won't work on deodexed roms and vice-versa...

and most of the cwm flashable zips are for deodexed roms, where did you find one for odexed one??
 
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D@rekills4

D@rekills4

Senior Member
Nov 6, 2010
2,183
752
a.cid said:
worst case scenario, you may have to reflash your rom...
75% of the time, stuff for odexed roms won't work on deodexed roms and vice-versa...

and most of the cwm flashable zips are for deodexed roms, where did you find one for odexed one??
Click to expand...
Click to collapse




I think he meant the other way around....
Flashing deodexed ZIP on a odex ROM....
 
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midi_1996

midi_1996

Senior Member
Aug 8, 2011
305
65
a.cid said:
worst case scenario, you may have to reflash your rom...
75% of the time, stuff for odexed roms won't work on deodexed roms and vice-versa...

and most of the cwm flashable zips are for deodexed roms, where did you find one for odexed one??
Click to expand...
Click to collapse
I was searching for crt effect to jvu deodexed value pack and I found (odexed jvu ONLY) and it was a flashable CWM zip file.
 
MidianXD

MidianXD

Member
Apr 15, 2012
31
6
Waldorf, Maryland
D@rekills4 said:
Odex ROMs have their main files moved to another area for faster booting while when you deodex the ROM these files are compiled back inside the APK....

To know weather your phone is Deodexed or Odex, just open Root Explorer app and navigate to "/system/app" and check if there files with ".odex" extension....
If yes then your ROM is Odex
Otherwise, your ROM is Deodexed....



The benefits of having a Odex ROM :
1. More space in "/data" partition.
2. First boot is faster.

The benefits of having a Deodex ROM :
1. You can customize the ROM the way you want without worrying about odexes....
Click to expand...
Click to collapse



Great information, especially for a noob like myself. Thanks a lot!!
 
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    D@rekills4
    D@rekills4
    a.cid said:
    What's the difference between an odexed rom and a deodexed rom???
    And how do I find out whether my rom is deodexed or not??
    Using stock gingerbread 2.3.4 ddkq5...

    Sent from my GT-S5670 using XDA App
    Click to expand...
    Click to collapse



    Odex ROMs have their main files moved to another area for faster booting while when you deodex the ROM these files are compiled back inside the APK....

    To know weather your phone is Deodexed or Odex, just open Root Explorer app and navigate to "/system/app" and check if there files with ".odex" extension....
    If yes then your ROM is Odex
    Otherwise, your ROM is Deodexed....



    The benefits of having a Odex ROM :
    1. More space in "/data" partition.
    2. First boot is faster.

    The benefits of having a Deodex ROM :
    1. You can customize the ROM the way you want without worrying about odexes....
    View
    53
    T
    twistergear
    a.cid said:
    What's the difference between an odexed rom and a deodexed rom???
    And how do I find out whether my rom is deodexed or not??
    Using stock gingerbread 2.3.4 ddkq5...

    Sent from my GT-S5670 using XDA App
    Click to expand...
    Click to collapse

    There is more technical explanation to this, but the easiest way to find out is to use root and root explorer and in your phone's /system/app normally you have the .apk and coresponding .odex to every application inside your phone. Deodexed rom (mostly Custom Rom) don't have .odex files.

    Deodexed is like decompiling the application (java..etc.) and recompiling it at the same time so that the apps will work even without the .odex file. Once your rom is deodexed you can modify the look of your phone, like adding custom theme for example. this is AFAIK.

    If you have a stock rom (original or update), it's not deodexed, unless it is indicated when you downloaded it.
    View
    19
    ajhavery
    ajhavery
    porcupineli said:
    What is the purpose of the .odex files?
    Click to expand...
    Click to collapse

    I know very little but .odex files have something to do with dalvic cache.
    This is the reason deoxed roms takes longer time to boot for the first time than odexed rom because they need to create dalvic cache for each app however odexed rom don't.
    My knowledge is very little so I might be wrong.

    Sent from my HTC Vision using Tapatalk
    View
    10
    dheeraj (dhlalit11)
    dheeraj (dhlalit11)
    many confusion here

    odex:- apps which are divided into two parts one is .apk and other is .odex. these apps cannot be installed normally or by just copying they needed to be flashed via recovery

    mostly phone manufacturers prefer odex apps because of their less ram consumption and quick running

    deodex:- those apps which have only one file which .apk no other file, they can be installed normally or by copying, because of their versatality devs use deodexed one

    in a single rom odex and deodex both apps can be added don't take them as the north pole of the magnets
    View
    9
    a.cid
    a.cid
    What's the difference between an odexed rom and a deodexed rom???
    And how do I find out whether my rom is deodexed or not??
    Using stock gingerbread 2.3.4 ddkq5...

    Sent from my GT-S5670 using XDA App
    View

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