i just integrated my updated system apps for my nexus s 2.3.4 root. it disabled market, music, and a few other apps. the only way i can think to reverse it would be to simply install a different rom.
But i am now unable to do so. Not thinking i ended up removing all apps from my phone in an attempt to completely reset it to stock, but it didnt change anything with the os system data. the files still dont work properly and keep force closing.
i can use my phone so its not a complete brick.
but how do i go about regaining access to market and other system apps?
claylay said:
i just integrated my updated system apps for my nexus s 2.3.4 root. it disabled market, music, and a few other apps. the only way i can think to reverse it would be to simply install a different rom.
But i am now unable to do so. Not thinking i ended up removing all apps from my phone in an attempt to completely reset it to stock, but it didnt change anything with the os system data. the files still dont work properly and keep force closing.
i can use my phone so its not a complete brick.
but how do i go about regaining access to market and other system apps?
Click to expand...
Click to collapse
If i was in your situation, I would try one of the official OTA updates that are a full rom. you will loose root and custom recovery, but those are easy to re-obtain. Since it's a full rom, it will rewrite all system apps and/or updated apps that are system integrated.
As always, since you are not coming from a full stock rom, A full wipe/reset should be done once flashing
i tried that actually. my issue was then error 7. it wouldnt verify the signature. all of the methods i have seen to make it verify the signature require me to have some apps on my phone and the ability to use market.
i also downloaded the sdk package and the adb software. i can link my phone up to it and lock/unlock the oem that way; but when i do a search for devices, it doesnt show my phone as a listed device. i tried to simply install titanium backup anyway to at least get my apps back and es file explorer, but it says device not found.
it really has become a puzzle for me.
and it is a stock rom. i just rooted it. unless that un-stocks it??
I've only ever seen the signature error on the incremental updates. Make sure you use the full ROM. Alternatively you could look for a CWM image of stock.
Root will not prevent an ota from being applied.
Sent from my Nexus S
[Thread in wrong area! Mods please move to AT&T S4 under Q/A!]
I recently rooted/installed CleanROM for my S4, but now I have some basic questions regarding what actually happened in the process and how I could improve it. (First smartphone, first Android).
1. Is flashing the exact equivalent of installing a kernel/ROM/app in a recovery like TeamWin that is zipped in an SD card? All I did was select my zipped file and install--the guide says to use GooManager but I never used it. Also, does updating TWRP, kernel, or ROM (same application/kernel/ROM, but newer version) require that you delete the old ZIP, copy over the new ZIP, then install it? Is there a cleaner method (I feel that since we have to wipe to prevent old files from interfering with new ROM that maybe parts of the old version of a ROM may be redundant or may interfere with the new ROM?
2. Is there a way I can save the phone settings when dealing with one ROM and transferring these settings to another ROM? I really don't want to spend 20 minutes to go through all the settings and change it to my liking every time I install a new ROM.
3. With TWRP I could backup the entire ROM and also be able to install that backup ROM if I don't like the new ROM installed? What does Titanium Backup offer in regards to this aside from backing up app data and the ability freeze/uninstall system apps?
4. Does Titanium Backup leave any residual files? I see other apps designed to uninstall system apps and Titanium Backup seems like an all-in-one jack of all trades.
5. I thought I wiped everything and to me, that sounds like reformatting the entire drive. I only wiped system, boot, and data though (good enough for ROMs, according to what I've read). I was surprised when I saw my videos that I had already backed up to my PC accessible on the phone. Should I just wipe literally everything (I assume it would be cleaner) like cache, preload, EFS, modem, recovery, etc.? Will wiping literally everything be like reformatting my phone (since my phone was not reformatted because my personal videos was still there when I installed my custom ROM? If I were to install completely different ROMs cleanly and wanted to keep my personal files, I would only need to wipe system, data, and boot?
4. Do I have to use CASUAL again to install an updated TWRP?
5. Does backing up a ROM also backup its root? I'm going to assume this is a dumb question and the answer is no. I'm also guessing I have to block OTA updates from AT&T to ensure I keep my root. How would I go about doing this? Also, would my phone be "safe" if I stick to my ROM (no updates or anything) for 4+ years? I'm asking this as an extreme case because I feel like I'm missing out on AT&T security updates that could protect my phone and also I don't think the developer my ROM (CleanROM) will do frequent updates).
6. I had problems with my computer not being able to recognize my phone and my SD card in the phone after I wiped everything and before I installed a ROM. I literally had to take the SD card from the phone and use an SD card reader to transfer my custom ROM/loki then put it back into the phone. Was I missing a driver?
7. What are some must-have apps a newly rooted user would want?
8. I read that you only need 1 EFS backup and you don't need to back it up every time you are going to install a custom ROM. Can I get a confirmation?
9. What does Goo Manager do and would I want it?
10. Is it essential that I keep up to date with news about my custom ROM/phone to ensure my phone is secured?
**Not Root/ROM related--Is swiping an app away from the Recent Apps List (long-press home button) the equivalent of killing an app? I use the Recent Apps List often but I don't want to go about swiping apps away if means it is killing it, since I read that killing apps are bad and actually drains battery life. Also, is there a mod that lets you access the Recent Apps List by long-pressing the menu one? I only see a mod that kills the app if you long-press it.
Thanks. I'm hoping for many responses as I have more questions to ask but not a lot of free time (I will check back on this thread every several hours until there are no more responses on the thread.
I think you are in the wrong forum.
@work said:
I think you are in the wrong forum.
Click to expand...
Click to collapse
I know, I clicked the edit/delete thread but can't find the delete button. Under reason for editing I told the mods to move it to AT&T S4 under Q/A. I'm new to XDA, what should I do?
otumsel and
just wait,someone will be along and move it.
Hello,
I will really appreciate if you can help to understand few basic issues:
1) When rooting the phone, is the boot-loader must be unlocked? i.e., if I've rooted the phone successfully using some 3rd party utility, it means that the boot-loader was unlocked during the rooting process or it was unlocked in advanced?
2) If the answer to the first question is "yes" (i.e. bootloader must be unlocked before rooting), how it is possible that my data wasn't wiped after rooting? This means that the boot-loader was unlocked in advance? Or maybe the 3rd party application backed up the data before unlocking the boot-loader and than restored it?
3) I heard that in order to install SU, the stock-recovery must be changed to a custom one. Is it necessarily true?
4) How can I check which recovery is installed on the phone?
5) If the recovery is changed to a custom one, does it mean that I stop receive OTA?
6) Can I backup up the stock recovery before changing it? Or how can I know which one it is to search on the net?
7) Do applications, like Titanium, change the recovery upon installation?
8) How applications, like Titanium, move apps, that are not supposed to move in regular installation,from ROM to SD? Can it harm the performance of the app?
9) When deleting apps from ROM (System or Data) manually, do I need to delete other files or folders besides .apk files in system/app or data/app? Is there any cache or other data to delete?
10) Do I need (or should I in case of lack of space) clean some cache files from ROM? (Like Dalvik or others...) If yes, which ones and how?
Sorry for the long post, but It will really help me to understand all these issues, once and for all.
Thank you in advance!
yuri_feigin said:
Hello,
I will really appreciate if you can help to understand few basic issues:
1) When rooting the phone, is the boot-loader must be unlocked? i.e., if I've rooted the phone successfully using some 3rd party utility, it means that the boot-loader was unlocked during the rooting process or it was unlocked in advanced?
2) If the answer to the first question is "yes" (i.e. bootloader must be unlocked before rooting), how it is possible that my data wasn't wiped after rooting? This means that the boot-loader was unlocked in advance? Or maybe the 3rd party application backed up the data before unlocking the boot-loader and than restored it?
3) I heard that in order to install SU, the stock-recovery must be changed to a custom one. Is it necessarily true?
4) How can I check which recovery is installed on the phone?
5) If the recovery is changed to a custom one, does it mean that I stop receive OTA?
6) Can I backup up the stock recovery before changing it? Or how can I know which one it is to search on the net?
7) Do applications, like Titanium, change the recovery upon installation?
8) How applications, like Titanium, move apps, that are not supposed to move in regular installation,from ROM to SD? Can it harm the performance of the app?
9) When deleting apps from ROM (System or Data) manually, do I need to delete other files or folders besides .apk files in system/app or data/app? Is there any cache or other data to delete?
10) Do I need (or should I in case of lack of space) clean some cache files from ROM? (Like Dalvik or others...) If yes, which ones and how?
Sorry for the long post, but It will really help me to understand all these issues, once and for all.
Thank you in advance!
Click to expand...
Click to collapse
Im sorry but Ive already answered all of these questions and one in fact could take a good couple paragraphs to explain.
Maybe tonight I'll answer or you could check out xda university.
yuri_feigin said:
Hello,
I will really appreciate if you can help to understand few basic issues:
1) When rooting the phone, is the boot-loader must be unlocked? i.e., if I've rooted the phone successfully using some 3rd party utility, it means that the boot-loader was unlocked during the rooting process or it was unlocked in advanced?
2) If the answer to the first question is "yes" (i.e. bootloader must be unlocked before rooting), how it is possible that my data wasn't wiped after rooting? This means that the boot-loader was unlocked in advance? Or maybe the 3rd party application backed up the data before unlocking the boot-loader and than restored it?
3) I heard that in order to install SU, the stock-recovery must be changed to a custom one. Is it necessarily true?
4) How can I check which recovery is installed on the phone?
5) If the recovery is changed to a custom one, does it mean that I stop receive OTA?
6) Can I backup up the stock recovery before changing it? Or how can I know which one it is to search on the net?
7) Do applications, like Titanium, change the recovery upon installation?
8) How applications, like Titanium, move apps, that are not supposed to move in regular installation,from ROM to SD? Can it harm the performance of the app?
9) When deleting apps from ROM (System or Data) manually, do I need to delete other files or folders besides .apk files in system/app or data/app? Is there any cache or other data to delete?
10) Do I need (or should I in case of lack of space) clean some cache files from ROM? (Like Dalvik or others...) If yes, which ones and how?
Sorry for the long post, but It will really help me to understand all these issues, once and for all.
Thank you in advance!
Click to expand...
Click to collapse
1) To my knowledge, yep. (Not much experience with locked bootloaders, sorry!)
2) But then again, different phones have different bootloaders, they might work In different ways.
3) Nope. Most (if not all) root tools install SU without custom recovery.
4) when your phone is powered-off, press Vol up, home and power button (this depends on your phone, this is Samsung standard, what phone are u using?
5) Go to download mode, (Vol down, home and power button, again Samsung standard) and check if: System Status: Official. If yes, OTAs can be taken. If System Status: Custom, you cant take OTAs.
6) U most probably can. Use Online Nandroid Backup, free from Google play store, and backup recovery only. That should work.
7) No.
8) Depends on the app.
9) Again, depends on the app.
10) Cache and dalvik cache can be wiped from recovery. The custom recovery will do it for u. Wiping dalvik cache from recovery won't be useful, as it recreates itself on reboot.
No problem with the long post, always glad to help
Smack that thanks button if I helped!
Note 2 LTE powered by Illusion ROM and Plasma Kernel.
Sent from dat small country called Singapore.
Thank You
Lgrootnoob said:
Im sorry but Ive already answered all of these questions and one in fact could take a good couple paragraphs to explain.
Maybe tonight I'll answer or you could check out xda university.
Click to expand...
Click to collapse
I would really appreciate if you could answer, or refer me to the correct paragraph in XDA university or give a me a link to your previous answers.
Thank you very much.
Irwenzhao said:
1) To my knowledge, yep. (Not much experience with locked bootloaders, sorry!)
2) But then again, different phones have different bootloaders, they might work In different ways.
3) Nope. Most (if not all) root tools install SU without custom recovery.
4) when your phone is powered-off, press Vol up, home and power button (this depends on your phone, this is Samsung standard, what phone are u using?
5) Go to download mode, (Vol down, home and power button, again Samsung standard) and check if: System Status: Official. If yes, OTAs can be taken. If System Status: Custom, you cant take OTAs.
6) U most probably can. Use Online Nandroid Backup, free from Google play store, and backup recovery only. That should work.
7) No.
8) Depends on the app.
9) Again, depends on the app.
10) Cache and dalvik cache can be wiped from recovery. The custom recovery will do it for u. Wiping dalvik cache from recovery won't be useful, as it recreates itself on reboot.
No problem with the long post, always glad to help
Smack that thanks button if I helped!
Note 2 LTE powered by Illusion ROM and Plasma Kernel.
Sent from dat small country called Singapore.
Click to expand...
Click to collapse
Thank You for your help.
Regarding the last issue: if I wipe the cache, something bad can happen to the applications ot their data? I mean, should I do it only when flashi rom or is it healthy to do it in a while in order to clean unnecessary files?
yuri_feigin said:
Thank You for your help.
Regarding the last issue: if I wipe the cache, something bad can happen to the applications ot their data? I mean, should I do it only when flashi rom or is it healthy to do it in a while in order to clean unnecessary files?
Click to expand...
Click to collapse
The cache is actually a temporary section of the disk that does not contain any application cachery but things along the lines of software upgrade files. It is only wiped merely to make sure there is space for other mod's temp storage.
The data partition contains the data for yourr applications and the 'cache' as you see in settings for apps is for imagery and stuff so regardless if that is removed it wont matter.
The dalvik cache is compiled bytecode for the dalvik vm for each app. (Look up Java vm to get an idea of what I mean and then look up odexing and deodexing on xda university)
Here is some info on the thread http://forum.xda-developers.com/showthread.php?p=48151745#post48151745
Lgrootnoob said:
The cache is actually a temporary section of the disk that does not contain any application cachery but things along the lines of software upgrade files. It is only wiped merely to make sure there is space for other mod's temp storage.
The data partition contains the data for yourr applications and the 'cache' as you see in settings for apps is for imagery and stuff so regardless if that is removed it wont matter.
The dalvik cache is compiled bytecode for the dalvik vm for each app. (Look up Java vm to get an idea of what I mean and then look up odexing and deodexing on xda university)
Here is some info on the thread http://forum.xda-developers.com/showthread.php?p=48151745#post48151745
Click to expand...
Click to collapse
Thanks a lot!
I have few more questions, please:
1) So what will be the best way to clear the cache partition? Only from recovery? Even from stock recovery?
Is there any other way, like a feature in some application or can I delete it manually?
2) Regarding the data partition, I guess I can go each application and clear its cache and/or data from application manager... Is there a better way? By away, if I delete the data of application (not the cache), I loose all the configuration and personal data. What I mean by "cleaning" is to erase some false data that remained by mistake, not to remove the necessary data of the apps. It is especially important for apps installed on ROM. What will be the best way?
3) Is sometimes remains unnecessary junk data in Dalvik Cache? If yes, how to remove it? (not the all Dalvik Cache)?
4) By away, what is the best way to check whether my bootloader is unlocked and to check which recovery is installed? (custom/stock)
5) If I want to mess with the start-up task manager, using some ROM application - what are the "receivers" that are connected to the apps? what is the difference between disabling an app/task/service and disabling receivers?
6) What is the difference between recovery boot mode and bootloader boot mode? When do I need to use the bootloader mode?
6) And another question, with your permission, is what kind of backups are exist beside nandroid? ADB is a backup? Do they back up all the ROM? I guess I will need a custom recovery to restore those backups.
yuri_feigin said:
Thanks a lot!
I have few more questions, please:
1) So what will be the best way to clear the cache partition? Only from recovery? Even from stock recovery?
Is there any other way, like a feature in some application or can I delete it manually?
2) Regarding the data partition, I guess I can go each application and clear its cache and/or data from application manager... Is there a better way? By away, if I delete the data of application (not the cache), I loose all the configuration and personal data. What I mean by "cleaning" is to erase some false data that remained by mistake, not to remove the necessary data of the apps. It is especially important for apps installed on ROM. What will be the best way?
3) Is sometimes remains unnecessary junk data in Dalvik Cache? If yes, how to remove it? (not the all Dalvik Cache)?
4) By away, what is the best way to check whether my bootloader is unlocked and to check which recovery is installed? (custom/stock)
5) If I want to mess with the start-up task manager, using some ROM application - what are the "receivers" that are connected to the apps? what is the difference between disabling an app/task/service and disabling receivers?
6) What is the difference between recovery boot mode and bootloader boot mode? When do I need to use the bootloader mode?
7) And another question, with your permission, is what kind of backups are exist beside nandroid? ADB is a backup? Do they back up all the ROM? I guess I will need a custom recovery to restore those backups.
Click to expand...
Click to collapse
1: Only recovery.
2: "Cleaning" is not possible So the application manager is the only way and yes it would basically reset an application if you delete its data.
3: Its not necessary but can save space for more apps to be installed if you have removed apps manually or with titanium backup. However if you have uninstalled with the app manager in the settings app then the dex files in the dalvik cache are automatically removed. "Unnecessary junk", I have exactly what you are looking for: use Titanium backup's feature in the menu to remove unsused dalvik cache elements and integrate system dalvik into rom. (In the same section when you press the menu button)
4: What phone? (This is neccessary because of the variation in phones.)
5: The only legitimate way of stopping tasks is to disable the intent of the task(I think that is the reciever ). To do this you could use Autostarts from the Play store or you could use the Bootmanager Xposed module. Don't use any task manager unless you want problems. Disabling an app in settings would actually completely freeze the application meaning you could also not start it manually and it wouldnt be started at boot.
6: The bootloader loads recovery or Android. The bootloader is usable depending on the features given by your phone manufacturer. You would know the difference when you use recovery and if you have a Nexus device when you are in bootloader mode. Samsung devices have Download mode which is technically part of the bootloader and allows you to load custom software such as recovery, data partition, system partition etc.
7: You will use recovery to backup/restore.(I don't think that there is any other way because you are using the data that you are backing up or restoring if you didi it while you were running android. Adb cannot backup either but you could pull a recovery backup with adb from the sd card. Adb has a sideload feature for loading software in recovery with your computer. Again I need your phone model.
It seems you seek info on recovery and backing up, This will help a lot: http://xda-university.com/as-a-user/android-dictionary Specifically the Nandroid and Recovery section.
I will be more than happy to expand on any of these topics.
@yuri_feigin
I revised my answer to better suit what you were asking.
Are you still with me?
Is it possible to install apps to the root of the phone?
If that question doesn't sound right, what I want to do is replace my standard camera app with the Google camera. If I ever reformat my phone I want the Google camera, instead of stock app. Basically replace stock apps with different ones but stay on my phone as if they oem.
Bump
You can move apps to the system partition (/system/app) and you can remove apps from there as well, this requires root of course. But, messing with system apps can cause OTA updates to fail or even damage your device. If neither of those things happen then the app you moved there will probably be overwritten by the stock one that you removed during an update. In short, yes you can replace system apps with other apps of your choosing. But, that will not survive updates or factory resets, and could damage your device. My advice: just install the apps from the Play Store as you usually would.
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