An "odexed" app is a Android application that has the compiled byte-code (dex) for the classes bundled with it.

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How to re-run the “app optimization” process after upgrading to a higher version of Android?

After each OTA Android upgrade, I get a message saying "Optimizing app x of xxx" that takes a while. The last time I upgraded, the battery ran out during the optimization process (not during the ...
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Why Does ART Compile Apps After Upgrade?

I have a Google Nexus 5. Every time I do a system update, I see this message: Android is upgrading... Optimizing app [x] of [y] I understand that ART is compiling my apps. What I don't ...
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How to recover and restore accidentally deleted ODEX files back to /system/app/?

My rooted Cherry Mobile Omega Spectrum is stuck at Android boot logo. I accidentally deleted some ODEX files from the /system/app/ (including the autoreboot.odex) How can I recover and restore the ...
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Jex Files not found in system folder

I am using redmi note 4g. I want to use some third party apps so i have installed WSM tools. Not to go into boot loop after WSM installation, prior to it I need to un install all 'jex' files from the ...
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SH Script to Rename .apk.odex files

I have written a script to utilize dexopt-wrapper to odex a folder of .apk's #!/bin/sh SYSAPP=/mnt/extSdCard/FilesToOdex/system/app/ SYSPRIVAPP=/mnt/extSdCard/FilesToOdex/system/priv-app/ for i1 in ...
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Is Odex really faster?

Is an odex file different from the dex file generated and stored in dalvik-cache? Is it faster? More optimized? Or just the same? Most people mention the benefit of improved boot speed after wiping ...
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When extactly does the hangouts_video_call.ogg extracted from hangout.apk?

Two ringtones are extracted from Hangout.apk to /storage/ringtones folder during some system setup phase. To analyze that, I manually deleted the ringtone files from my_files >> Ringtone. Now, no ...
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Android and DEX files handling at runtime

I'm trying to understand a few things around how dex files are handled by android. What I do know is that an APK ships a dex file, the system gets it, optimises it at install time, and stores the ...
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How to make a normal apk with .dex inside it from an apk which is odexed?

I had a file manager provided by my manufacturer as a system app. it was odexed. i have its apk and odex file both. I installed a custom rom now and want to install that filemanager. how do i do ...
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Should I backup .odex files too?

I have recently got an app that permits me to view the contents of my phone memory on my rooted Samsung Galaxy Y mobile phone. In /system/app folder, I see all the system apps that came pre-installed ...
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ODEX file: Does every app has one and if yes where are they stored?

I know that .odex files are optimized .dex files. I have seen a lot of .odex files below the path /system on my phone. I am just curious if there are also .odex files for my installed apps. I ...
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What is an “odex” app?

I saw an application (forgot the name) on my cousin's Galaxy Mini while inside Link2SD app. It has the -Odex- text beside its name. It was the only application like that on Link2SD. I got curious so I ...
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Are ROMs with deodexed programs faster or slower than odexed?

I am a bit confused by the effect of deodexing (or even by terminology). Based on answers to "What is the difference between odexed and deodexed roms?": A "deodexed" ROM is one where the .odex ...
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What is the difference between odexed and deodexed ROMs?

What is the difference between odexed and deodexed ROMs? Which is the standard (stock) ROMs that ship use?