General :: Android Won't Boot After Modifying System File

Sep 28, 2013

I have a HUAWEI Y300-0100, and it comes with a funny feature: every time it can't connect to WIFI a popup message appears saying that if you switch to data plan charges may apply.

I am constantly switching between WIFI/no-WIFI zones so that message really bothered me, and I searched a way to disable it.

Presumably, the only way to do that is by modifying a system file called "build.prop". I already had my phone rooted so doing so wasn't very hard.I used Jota+ to change a setting from "true" to "false" (ro.config.hw******), and saved the file in the root of the SD card. Then, with ES File Explorer, I renamed the "build.prop" in /system to "build.prop.bak" and copied there the "build.prop" I previously saved in the SD root.All seemed to be fine, except that after rebooting my phone it could not get past the HUAWEI logo.

Android recovery mode seems to work, but I don't know how to use a lot of its options nor I want to do a Factory Reset if there's a better alternative.Is there a way to modify system files before booting Android? I really would like to try to delete the "build.prop" file and rename the "build.prop.bak" back to "build.prop".

General :: Android won't boot after modifying system file


General :: Can't Boot Device After Replacing System File?

Mar 24, 2014

i was trying to change the background for my x'pop 5035D cause i'm in jelly bean 4.1.1 and all the backgrounds for the system is white and it's very bad for my eyes specially at night ,

i was trying to modify framework-res.apk that exist in :system / framework but i couldn't so i thought i can replace it and i downloaded another frame work- res.apk and i used root explorer to replace it after taking a copy of the original file and since i did that the device restarted and stuck at the logo and i can't boot.

i tried every thing , i did nandroid restore and even wipe data / factory reset and the same result it just stops at the logo every time .

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General :: Boot System File To Switch MicroSD Mount With Internal Memory?

Jul 3, 2013

A long time ago I had edited a file that is read on boot, in that file is written which one of the two 'partition' has to be mounted as what.

Basically, my 32GB microsd is seen as the internal memory of the device (which would be 12 GB), and the other one as micro sd. The result is that most application would go to the microsd by default, using thus 32GB for apps instead of 12GB.

This is because my microsd is failing. Changed with a new one, and now it is failing again. I suppose my phone has become a 'micro sd destroyer'. Cannot do anything about it, so better to use the internal memory instead of the card for main use..... So how do I switch back to normal mounting (micro sd as micro sd and internal memory as internal memory and not switched up) ?

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General :: Modifying Boot Splash On Allwinner A13?

Dec 20, 2012

How to replace the default boot splash on an Allwinner A13 tablet? I'm thinking about replacing the rather tacky default image on it, and maybe the battery charge and other bitmaps.

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HTC Wildfire :: Modifying The Properties Of The System Folder

Sep 25, 2010

I have htc wildfire.. Really enjoying it.. I ned to copy ringtones to the system folder, but sinceit is read only I am not able to do so.. Is there any possibility to change the properties of the system folder or some other means so that I can set notifications, alarms by default method..

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HTC Incredible :: Need To Modifying Boot Animation

Aug 2, 2010

http://androidforums.com/all-things-root-incredible/134977-unable-change-boot-startup-since-going-froyo.html I am attempting to modify/replace the default boot animation on my Incredible. I am currently running Froyo 2.2 (not sure if that's relevant). I downloaded the BIOS style boot animation and the zip file contains: Code...

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HTC Incredible :: Modifying Programs On Boot?

Jul 17, 2010

So I thought I read somewhere that once rooted, you can modify which programs startup on a fresh boot of the phone.am i making things up or can anybody help me find that info? i've gone back seven pages of threads and can't find anything in search either

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Android :: Modifying - Rename/delete - Apk File

Oct 14, 2010

I have a rooted desire, but I have a troublesome app that won't update and I can't delete. I have seen others who have had the same problem, and a solution is to rename the app .apk.old and then redownload it, but I can't find a decent app to do this. I do have superuser permissions.

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Modifying A File Within JAR?

May 25, 2013

I have a JAR comprised of java and class files. It is my understanding that the JAR is an executable library comprised of the .class files within. I need to open one of these class folders change a few things and reinsert it into the jar. i am on linux and i have been at this all day to no avail.

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Android : Modifying Init.rc File To Import A New Configuration

Oct 26, 2009

I want to modified the init.rc file to import a new configuration file by adding the following lines in the init.rc file import /data/myconfig/conf/init.rc trigger system And the file at /data/myconfig/conf/init.rc contains on system export TRIAL_EXPORT /trial/export/to/be/replaced The problem is that I cannot get the new export (TRIAL_EXPORT)to working. When I issue the command echo $TRIAL_EXPORT on the adb shell I do not get anything. Can somebody point out what is wrong in here?

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Android :: Add Shortcut In Home Screen By Modifying Config File

Feb 6, 2009

How to add more shortcuts in home screen? -- I want to do this by modifying config file rather than draging an app and dropping it on home screen. Namely, I want to know which config file contains these shortcuts.

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Android :: How To Change Network Service Permission Without Modifying Init.rc File

Nov 8, 2010

I have a requirement to change network service permission(such as netd to 660 or something similar) for my application in order to access certain features. I dont want to edit init.rc file to make such changes. Since my application cannot be run in root mode, is there any alternative solution where i could do such modifications from my application point of view.

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Samsung Galaxy S : Recovery Boot Error - Can Not Access To /system/csc/VOD/system

Sep 4, 2010

Phone: UK Galaxy S Issue: Recovery boot error message in red writing

Multicsc : can not access to / system/csc/VOD/system/

Background: I have been trying to root my phone from information found in a youtube video. All went well and the little ninja bloke with the sniper rifle was in the app list. Tried installing busybox and was told that the phone was not rooted´┐Ż..

I think I ran the root application again and at some point I started getting this error message when in recovery. I have since run the one click root method to unroot the phone and the little nija dude is no longer there. Since I rooted the phone it will no longer connect to my wireless network, it finds the network and attempts to obtain an ip address. After a few min it times out and tries again. When I load the phone recovery the error message is still present.

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General :: How To Access Android File System

Sep 25, 2013

My objective is to create a text file in an android file system.

Using java language, I am creating an app. It has a screen with a table of 3columns. Each time a user enters the table row and click on Submit button, the row entry should be created as a separate comma-separated file on an android device. So each time when the table gets updated with new entry and clicks a submit button, a new file is getting created on the device file system. So I am looking for the file connectivity to the internal device memory where I could open the files and access it.

I have done the same in Nokia mobiles using J2ME. But for Android, I am not able to find the device file path.

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General :: How To Restore Android System File

Apr 17, 2012

I had format my phone's system through cwm.

now i want to restore it but it just stuck when i power on my phone.

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General :: Temp Directories In Android File System

Apr 4, 2012

Are there any temp, volatile directories in the Android file system that get wiped once the device is off? In Linux we have /tmp, but this doesn't seem to exist in Android.

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General :: Restore Android Deleted System File?

Jun 11, 2012

2 days ago I tried to update my aunts sensation xl and told her that it is better to update its ROM from 2.3.5 to 4.0.3. So i created a google account in phone and added it in order to sync contacts....and after 2 hours, I thought that it has been synced...After upgrading device to ICS, and adding the previous account that i made before upgrading, I was waiting for contacts to restore, but nothing happend.. I opened the gmail account on PC and saw that there was no contacts. So the only way for me to restore the contacts is to find a way to restore them from Phone device. So,is there any software, either on phone or PC, to restore contacts from phone? or is there a way to have access to root folders and files of phone on PC to use a recovery program to restore "Contacts.db" file that was erased while flashing ICS?

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General :: Why Android Ignores /system/etc/hosts File

Jun 19, 2011

i edited /system/etc/hosts file but it looks that my edit is ignored by Android.

In "hosts" file i added line with text "1.1.1.1 customdomain" And then i used "ping customdomain" command in Terminal Emulator but i got error "unknown host am".

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General :: Why Android Not Support NTFS File System

May 14, 2012

why android not support NTFS file system. I think NTFS more speeder than FAT and FAT 32 and other file systems. So is it technical or patent issue? I think NTFS file system developed by Microsoft

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General :: Can Mount Android File System Image?

Dec 10, 2013

So after a failed attempt to upgrade from CyanogenMod 10.1.3 to 10.2, I was unable to access /data or /sdcard because both systems were encrypted. I ended up having to factory reset my phone because it refused to co-operate or let me access my files. However, before I did that, I was able to run

Code:
adb shell "dd if=/dev/block/mmcblk0p2" > data.img
and

Code:
adb shell "dd if=/dev/block/mmcblk0p3" > sdcard.img

Which appears to have copied the raw partition images from the phone (at least, they're the right sizes).

According to my reading, Android (and, I'm inferring, CyanogenMod) encrypts filesystems using dm-crypt, with a AES-CBC ESSIV:SHA256 cipher, with the key being derived from the password using PBKDF2. Knowing the precious little I do about encrypted file systems, my guess is that if I configure the image in cryptsetup to create a drive mapping, I can mount the mapped drive and recover the data from the images.

According to /fstab.herring on my ahem, fresh, install of Android, the /data partition is in ext4 format whereas the /sdcard partition is vFAT. So, once I've gotten through the encryption on the partition images, they should mount normally, right?

I know that dm-crypt accepts plain, LUKS, LoopAES and TrueCrypt device formats. I'm inferring from the PBKDF2 extension that Android goes the LUKS route for encrypting. Is this conclusion correct?

Whether it's possible to decrypt a dumped android image? I'm really hoping that the cypher information is stored on the file system and not on some key file that I nuked in the factory reset. If it can, in theory, be decrypted, am I using the right tools to approach the matter? If so, I'll continue fiddling with cryptsetup and mount, but no sense in wasting time if it's an impossible task.

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General :: Kindle Fire Stuck In Boot Loop After Deleting System Files

Feb 13, 2012

I deleted system files etc... while attempting to revert back to stock ROM. I cannot boot into TWRP nor communicate over USB.

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General :: Deleted System File On Android And Phone Doesn't Turn On

Aug 20, 2013

I deleted (accidentally) some system files, and then nothing happened, but i hit the restore or backup from setting and it went fine untill the loading screen, i mean it shut down then the first loading image fine and the next one doesn't load my system.. What can i do? (I think i know what software i shouldn't have deleted).

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General :: Android SDK Installed From Multiple Sources - System Cannot Find File Specified

May 18, 2012

I've searched to no prevail. id like to start developing apps but am having issues getting the environment set up. I have the jdk properly installed.

issue 1 (main major ):

I've installed the android sdk from multiple sources, but when i try to start sdk tools, the command prompt flashes/ opens briefly and i get this message:

"Failed to execute toolsandroid.bat: The system cannot find the file specified."

Do i need to change a PATH variable or something...

I cannot get eclipse to run. when i try to open the exe file ( because there is no short cut icon...?) it gives a message about not finding a companion library... ive try to change the properties in the file that is supposed to fix it, but it was already set the way its supposed to be. this is not major as i can use a different IDE.

so im completely lost as to th sdk tool. I just tried adding the file path to the android sdk ( PATH variable) and it still did not work... I also just tried start the android,bat file and the cmd promt flashes briefly saying somthing about xcopy is not an operable command...etc couldn't read all of it... I am on windows 7 home premium

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General :: Impossible To Root Android Tablet - Read Only File System?

Dec 24, 2013

I have a android tablet and I have tried rooting it and I get things like "read only file system" and I looked into it and my /system is read only.. Rooting is putting .su in the xbin or bin inside of the /system. But my /system is read only so i can't root my tablet?

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General :: Log File Of System Activity

Nov 17, 2013

Is there some sort of log file that will show phone activity? I don't have a password lock on my phone and don't need one, but I suspect someone is using my phone while I'm sleeping. Is there a log that might show events such as someone unlocking the screen and viewing my calls or other applications?

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General :: Tab Using UBIFS As File System?

Nov 27, 2012

I recently got to know, that my tab is using UBIFS as file system...what are the advantages compared to the normal ext2-ext4?

I thought about migrating to the ext filesystems, but if UBIFS is better, I'd stay on UBIFS...

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General :: How To Install System File On SE LWW For ICS

Sep 7, 2012

my problem is that when i turned on the power button of my se LWW. it's stuck at screen displaying "Free Experia Project".it happened due to i accidently format the system file...all those things needed to startup the phone is missing.what shud i do to fix my phone back so that i can start it like normal?

*I can only go to recovery when press+hold volume rocker button when it's starting up till that "Free Experia Project".

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General :: Delete File System

Dec 2, 2013

i have a thl w100 and i delete a folder on system, starting hence never got boot.works only via fastboot ou recovery. i can just copy the folder ? how ?

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General :: System File Read Only?

May 31, 2013

I am trying to revive white Pandigital using ADB commands to push files on the system's folder of the device then flashing them.

The computer sees the device, adb has root access, yet when trying to push files is gives me an error indication that the system/data/midc is a read only. tried adb remount over and over with no lick. Is there any other way to get to write on the system folder?

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General :: Repackage And Run Emulator File System

Mar 10, 2013

I have 1 rom, I pulled the file system, for example: system.rfs or system.img.ext4 or factoryfs.rfs. I added, customize the apk and want to put it back and want to be first to run the emulator software to check for errors before running Core issues, problems I faced.

1. how to repackage the system files that (system.rfs, system.img.ext4, factoryfs.rfs, system.img)
2. Using software to run the emulator

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