Database Users

Help: How to rename file in System folder

Hello everybody,
Unfortunately, I get by in a change that I have blocked the start of my Galaxy S.
I wanted to remove the animation in the initial activation of Vodafone and I discovered that the file "indicted" was playlogos1 (I think) so I renamed the file with Root Explorer as playlogos1.bak.
I rebooted the phone and while booting it shows me your phone model, as it always has, and then black screen occasionally emitting vibrations ...
I think the problem can be solved by putting the name of the file as it was originally: playlogos1
Do you know how to do it if you can do to access the folder /System/ bin in which there is rename the file to your phone via pc being in this situation?
Thank you all!!
NOTE: Sorry for my english but.... I'm italian!

Try root explorer - its a paid app, but i feel its worth it.
Obviously your phone has to be rooted to use it
Sent from my GT-I9000 using Tapatalk

chrisjcks said:
Try root explorer - its a paid app, but i feel its worth it.
Obviously your phone has to be rooted to use it
Sent from my GT-I9000 using Tapatalk
Click to expand...
Click to collapse
Sounds like he has root explorer and has renamed a file and is now stuck in a boot loop?
Is that right?
If so boot into recovery and do a factory reset and that should fix the problem.
But you will lose all of your apps etc.

zolah said:
Sounds like he has root explorer and has renamed a file and is now stuck in a boot loop?
Is that right?
If so boot into recovery and do a factory reset and that should fix the problem.
But you will lose all of your apps etc.
Click to expand...
Click to collapse
Lol yeah, think there was an edit.
If recovery wipe doesnt.fix it, id just flash a new rom.
Sent from my GT-I9000 using Tapatalk

chrisjcks said:
Lol yeah, think there was an edit.
If recovery wipe doesnt.fix it, id just flash a new rom.
Sent from my GT-I9000 using Tapatalk
Click to expand...
Click to collapse
Thanks to everybody.
In effect the phone was rooted and I have used Root Explorer to rename the file but noe I'm looking for a method to access via ADB to the phone as "su" to rename the file playlogos1.
Who know how to copy update.zip on /sdcard without touch the phone (because is blocked)?

ADB can see your phone in recovery mode. However the things you can do are limited... I think you might be able to rename the file that way.

Tyxerakias said:
ADB can see your phone in recovery mode. However the things you can do are limited... I think you might be able to rename the file that way.
Click to expand...
Click to collapse
In recovery mode I'm not able to connect via ADB...only if I start the phone normaly.
Other big problem is to have r/w permission to rename the file

efs imei keystr problem - please help

Last week my phone developed this well known fault and the Home button does work because from Power Off I can do the 3 button press into Recovery or Download.
A few things I've done:
Wiped data/factory reset
Wiped Dalvik
Wipe Cache Partitions
Installed different ROMs including Darky 10.1, 10.2 and 11 with and without ODIN.
Tried the SGS ButtonRemapper app but it says it's not made for my I9000 phone!!
Tried the Terminal Emulator app using the commands su (enter) echo -n etc commands and then reboot but that doesn't fix it.
Copied an XDA users keystr file and map_code.dat file into the efs/emei folder but once in there the ON disappears from the file!!!
(I also have a copy in the efs folder and the ON remains in the body of the file but copied to the emie folder and it goes missing!!!)
Tried to use the Hex Editor app but once inside the efs/imie directory there are no files there !!! (jumping back to Root Explorer shows they are there!!!).
In recovery mode I went into ADVANCED and tried the KEY SET command and all keys except the Home key show a number!!!
Any help appreciated.

dm.poole said:
Last week my phone developed this well known fault and the Home button does work because from Power Off I can do the 3 button press into Recovery or Download.
Click to expand...
Click to collapse
Easiest solution, should be a downgrade to froyo or Eclair Firmware and upgrade after recovery , cannot understand why you are trying to mess with keystr file as that is related to missing IMEI and not home key functions. maybe this may help http://forum.xda-developers.com/showpost.php?p=26827676&postcount=4512" if you EFS has problems

xsenman said:
cannot understand why you are trying to mess with keystr file as that is related to missing IMEI and not home key functions. maybe this may help http://forum.xda-developers.com/showpost.php?p=26827676&postcount=4512" if you EFS has problems
Click to expand...
Click to collapse
because all over this forum the answer to get the Home function key back is to redo the keystr file !!! (or perhaps I've read something wrong).

[Guide] How to have write protection disabled on boot with stock rom

For this to work you will need to be rooted with twrp installed.
This is for people who are on the stock rom or a rom without init.d support.
1. Download the wp_mod.ko file from @flar2's thread http://forum.xda-developers.com/showthread.php?t=2701816
and copy it over to your SD card (either internal or external)
2. Boot into twrp
3. Select the "Mount" option on the main menu and tick system
4. Go back to the main menu and then go into the "Advanced" option. There will be a "File Manager" option
5. Navigate to the folder you saved the .ko file in and copy it (just touch the file and it will bring up the menu)
6. now navigate to /system/lib/modules and copy the file there by hitting the "select" button on the bottom right.
7. Navigate to /system/lib/modules and insure the file is there. Now touch it to bring up the menu. select "Chmod" option and enter in 644
8. reboot the device
9. Once booted fully open up Terminal emulator and type:
su
insmod /system/lib/modules/wp_mod.ko
10. Once that's done open up a file manager app with root access and mount as r/w and navigate to /system/etc and look for the file install-recovery.sh
11. edit the file using a text editor, adding the line insmod /system/lib/modules/wp_mod.ko towards the bottom of the file
12. reboot and enjoy r/w on boot without running the command every time
13. profit

I don't have my hands on mine yet (ordered a Dev edition from Amazon), but I greatly appreciate your work here! R/W was a massive pain for me on my M7, and this seems much more simple and easy. Thanks again!

Hi graffixnyc,
Thanks for the explanation, but the link to the file is not working ....

link
flaxjef said:
Hi graffixnyc,
Thanks for the explanation, but the link to the file is not working ....
Click to expand...
Click to collapse
+1
CC

Should be fixed now.. I don't know why it cut off some of it
http://forum.xda-developers.com/showthread.php?t=2701816

Thanks for the turorial, but this isn't working for me
The file can't be executed (even after chmod) - and if i try to execute this file in an other directory, my terminal says that this file can't be found..
Any ideas?
So my device simply ignores Step 7 .... :crying:

graffixnyc said:
For this to work you will need to be rooted with twrp installed.
7. Navigate to /system/lib/modules and insure the file is there. Now touch it to bring up the menu. select "Chmod" option and enter in 644
Click to expand...
Click to collapse
I know I am being a grammar nazi, but I am fairly certain you mean "ensure". I tried to just leave it alone, but I can't not say something. It's a curse.

Fenny said:
I know I am being a grammar nazi, but I am fairly certain you mean "ensure". I tried to just leave it alone, but I can't not say something. It's a curse.
Click to expand...
Click to collapse
It is ironic that a "grammar nazi" would use a double negative while pointing out a grammatical error...

noimjosh said:
It is ironic that a "grammar nazi" would use a double negative while pointing out a grammatical error...
Click to expand...
Click to collapse
lol... yeah, would have been better to say: "but I'm compelled to say something"
Oh well, no biggie though.
Don't know how I missed this thread though, thanks graffixnyc.

noimjosh said:
It is ironic that a "grammar nazi" would use a double negative while pointing out a grammatical error...
Click to expand...
Click to collapse
Indeed, it is ironic.

thank you

412070391 said:
thank you
Click to expand...
Click to collapse
Does this work if the phone is still s-on? (unlocked/rooted but no s-off)

Sorry, but will this fix my little niggling issue with MX player? I keep my Stewart/Colbert files on the extSD card, but I can't delete them when done watching them using MX Player's delete command. I have to remember which files are watched and then use ES File Explorer to delete them. A silly second step in my opinion. Yes I am rooted, s-on, with TWRP.
I'm staying stock hoping a firewater solves my s-on issue, but yes I should probably do a custom ROM to solve this and a few other things.

Will this make SD card writeable to all apps?

Will this make external micro SD card writeable to all apps?

Sn8kbordin said:
Will this make external micro SD card writeable to all apps?
Click to expand...
Click to collapse
MAN, NO DOUBLE POSTS. but yea it should do it...if not there is another way

In Terminal Emulator it says "Failed Exec Format Error". Any ideas?

I followed the 1st post directions without errors for Sense 6.0, Andoid 4.4.3. When I tried to:
1. When I tried editing and saving system/customize/ACC/default.xml in ES File Explorer phone rebooted on save and default.xml went back to stock
2. When I copied default.xml to extSD card, edited it, and tried overwriting system/customize/ACC/default.xml with edited default.xml in TWRP recovery phone also rebooted
I want to do this mod http://forum.xda-developers.com/htc-one-m8/general/enable-built-music-channelroot-t2818128

please help help G900F ( Dead )

Hi
I have a problem i get this error : E:failed to mount /efs (Invalid argument)
and the /efs file is empty there is nothing there what do i have to do please help
and the other message i get is ( Factory mode is on )
and sometimes it register the network after some hours it got no service and after flash i got back my network it hapend many times.
Please help.
Click to expand...
Click to collapse
The Phone is Dead now !! anyone can help please

habab said:
Hi
I have a problem i get this error : E:failed to mount /efs (Invalid argument)
and the /efs file is empty there is nothing there what do i have to do please help
and the other message i get is ( Factory mode is on )
and sometimes it register the network after some hours it got no service and after flash i got back my network it hapend many times.
Please help.
Click to expand...
Click to collapse
Read this thread.

vndnguyen said:
Read this thread.
Click to expand...
Click to collapse
i didn't understand this
2- Create a file with a name 'factorymode' on the sdcard, open it, input 'ON' and then save it. Navigate to the efs folder, create the folder with a name 'FactoryApp' (case sensitive). Finally move the file 'factorymode' you have created above to that folder. Reboot the phone to see if the problem still persists?

vndnguyen said:
Read this thread.
Click to expand...
Click to collapse
i have tried that thread still have same problem .

Any help !?!?

..

fffft said:
I'm sure that you find this frustrating. However we are not psychic. Unless you tell us what led up to this and in particular, a step by step, detailed description of what you have tried, how can we discern going on?
What led up to this situation? What exactly have you tried? Step by step, in detail. What exactly is in your /efs folder? Did you create the /efs/FactoryApp/factorymode file as was suggested earlier? Do you have a backup of your /efs partition? Is reactivation lock disabled?
If you actually created the file in the manner described and it didn't succeed and barring something novel in a description of your situation the next step is probably to mount the /efs partition from recovery mode, format it, recreate the /efs folder, remount and reboot so that the efs is rebuilt. But before you do any of that, give us a better description of your situation.
.
Click to expand...
Click to collapse
Hi , i Downloaded a efs backup app and i just pressed on restore before i press on backup , after that the /efs file is empty . i tried to make ( /efs/FactoryApp/factorymode ) with this app : root browser but that didn't work...
i have tried to Flash with many stock room from sammobile but the /efs file still empty .
after reboot i have to connect to Wifi every time i reboot the phone and some time i have Network and some time nott .

..

yes i have backup of the efs ,
the app that i am using just named Root browser with black android pirate icon
.
i maked the directory ( FactoryApp ) then ( file factorymode on the root ) then moved it on FactoryApp , after reboot i find the file emptey again !

and i used this app ( http://forum.xda-developers.com/galaxy-s3/development/efs-samsung-tool-universal-support-t2602325 ) for backup

..

1. i am sorry, my English is so bad !!
2. day 1 , i Downloaded the app Samsung tool and then maked a backup of EFS on External SD-Card ,
3. I maked restore and i had removed the SD-card
4. after that i didn't know that the efs file was damaged , i just installed an room from sammobile ( G900FXXU1ANG9_G900FNEE1ANG5_NEE ) , after the installation was done the phone started but i got an warning massage that says , FactoryMode is on and the wifi was off and only emergency call , i rebooted the phone the wifi was till of but i got back my Network after that i tried many firmware from sammobile
5. o searched on xda and find that it can be the efs but when opened the /efs it was empty.
6. i have the efs-backup on my sd i tried to restore it but nothing happened .
7. i tested that ( Opened this app : https://play.google.com/store/apps/details?id=com.jrummy.root.browserfree ) maked /efs/FactoryApp/ and then file factorymode , ON ) but it can't be moved to FactoryApp when i move or copy it to the folder it is nott there , After rebooting the phone even the FactoryApp directory is deleted .

in my sdcard i found only this ( samsung tool/efs.img )

i tried to make this again
directory ( FactoryApp ) then ( file factorymode on the root ) then moved it on FactoryApp
Click to expand...
Click to collapse
After reastart phone screen is just black !! but the pc is finding it !!! now the phone is dead

..

No i can't boot to anything !! it is just black screen .

No i can't boot to anything !! it is just black screen .
please help me with that.
vndnguyen said:
Read this thread.
Click to expand...
Click to collapse
fffft said:
I'm sure that you find this frustrating. However we are not psychic. Unless you tell us what led up to this and in particular, a step by step, detailed description of what you have tried, how can we discern going on?
What led up to this situation? What exactly have you tried? Step by step, in detail. What exactly is in your /efs folder? Did you create the /efs/FactoryApp/factorymode file as was suggested earlier? Do you have a backup of your /efs partition? Is reactivation lock disabled?
If you actually created the file in the manner described and it didn't succeed and barring something novel in a description of your situation the next step is probably to mount the /efs partition from recovery mode, format it, recreate the /efs folder, remount and reboot so that the efs is rebuilt. But before you do any of that, give us a better description of your situation.
.
Click to expand...
Click to collapse
fffft said:
No problem and your patience is appreciated.
Nothing anomalous is showing up in those details so I think we can safely assume that accidentally pressing the restore button rather than backup button simply corrupted your efs partition. All of those questions were aimed at confirming that with certainty, but I understand that this is a lot of work and frustrating for you too. So we'll proceed on that basis.
An efs.img file is an uncompressed efs backup. So try restoring that with your efs program. I have no idea if it is a valid (working) backup, but you aren't going to cause any further harm by trying to restore it. If that works, great and you're done. If not, then we'll go on to rebuild your efs instead.
To rebuild your efs partition we need a custom recovery. So a few last questions.
You are rooted, correct?
Did you use Towel root or CF-autoroot? (I am trying to discern if you have super su /busybox installed)
Are you able to boot to recovery mode (home + power up + power)?
Do you have a custom recovery installed e.g. TWRP or CWM?
If you can answer yes to all four questions, then go ahead and run the following efs repair script. If not, then you'll need to install a custom recovery first. If you're already rooted but don't have TWRP, then it's just a matter of flashing TWRP with Odin from download mode.
In any event, once you have a custom recovery in place you can run this recovery script.
Download the script here. Copy it to your external SD card. Then boot to recovery mode and install the flashable zip file "Brick_Loop_FIX_afterRestoringBackup.zip" that you copied to your Ext SD card.
Then reboot. If you still have any issues, reboot a second time, then let us know if your phone is working properly again.
Credit to Backachu, I believe for saving me the work of having to write a script for you or describe how to enter the commands manually.
The script comes from this thread. http://forum.xda-developers.com/showthread.php?p=47014662
As an aside, there is a minor mystery there. This comes from a Note 3 thread so when I went to modify it to work with your S5, I found that it was already set up for the S5 rather than the Note 3.. so why it is that way in a Note 3 thread is a mystery. Go figure. But I did check and you can use it the way it is.
.
---------- Post added at 07:43 AM ---------- Previous post was at 07:36 AM ----------
I'm not sure what you mean by "dead". If you can boot to recovery & download mode, don't worry about it for now. Otherwise please elaborate.
.
Click to expand...
Click to collapse

..

fffft said:
Don't panic. I'm sure that we can address the new issue, whatever it is.
I need a little information to determine how to fix it.
I understood that your screen is black after you rebooted. What do you mean by the PC can find it. What message do you see on the PC.. the normal USB message when you connect your phone or something else? If something else, what is the exact message from the PC?
Also please do the following
Disconnect the USB cable and remove your battery from your phone for ten seconds. Then replace the battery.
Now press and keep holding the home button. Then press and hold the volume down button as well, then lastly the power button. Keep holding all three until the phone starts (about ten seconds).
Let me know if you do or don't get to the download mode screen when you do that.
If you don't, try it a second time, just in case you weren't continously holding all three keys to get into download mode.
If you still don't, then we want to ensure that the Kies program is not running (if you have Kies on your computer). Then try going to download mode again in the same manner as above, then plug the phone into your computer with the USB cable and start the Odin 3.09 program and tell me what you see on the Odin screen.
.
Click to expand...
Click to collapse
When i plug it in i get a news USB device named : ZUES Flash Device .
i have tried to Hold Home + Volume - + Power nothing happen.
Odin don't find it , and kies program is not running.

..

[FIX] Cant turn WIFI on? You are missing this file

So after lots of flashing of different roms on my Moto G 2nd gen (XT1068) I ended up unable to turn WIFI on in any rom, including stock!
Thing is, after days of breaking my head with this, I figured out I was missing the WCNSS_qcom_wlan_factory_nv.bin file from the /Persist folder.
How did that file go missing and why it was not restored when restoring to stock or flashing roms? Dam good question, I don't have an answer to that yet, BUT, I have a fix.
Simply download the attached .rar, unzip it, and manually put the WCNSS_qcom_wlan_factory_nv.bin file in your /Persist folder using any root explorer / file manager on your device and reboot!
Such a simple little thing gave me so much trouble, hope this will help future users who might face the same problem, as I already saw around that other people are also having the same issue.
This should work for any Moto G version, even the 2013 model, XT1063, XT1064, XT1068, XT1069, all share the same WIFI file.
Happy surfing on your now working WIFI!

Nice Work!

I have that file in /persists but still no WiFi.

Obagleyfreer said:
I have that file in /persists but still no WiFi.
Click to expand...
Click to collapse
Most likely its the perms issue. If you have 'adb' and can connect to the phone using adb, do this:
adb logcat -d -v time | grep "avc: denied"
right after a fresh start. If the file shows up in that grep, it means that you are running into permissions issue. And it can be fixed if you have root.

Where cn i find persist folder... ??? I m using CM12
Sent from my Moto G 2014 using XDA Premium 4 mobile app

immy8796 said:
Where cn i find persist folder... ??? I m using CM12
Sent from my Moto G 2014 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Root of your device,
/persist

Exelios said:
Root of your device,
/persist
Click to expand...
Click to collapse
Found it... Thanx.. bt which permission i hv to give that .bin file.. ???
Sent from my Moto G 2014 using XDA Premium 4 mobile app

immy8796 said:
Found it... Thanx.. bt which permission i hv to give that .bin file.. ???
Sent from my Moto G 2014 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Mine is 777, read write execute to everyone, probably not the right cmod, but it works

after try like 5 kernels and almost start to crying i found this post
AND WORKS!!!!
Thanks you so much!!

ZenKeep said:
after try like 5 kernels and almost start to crying i found this post
AND WORKS!!!!
Thanks you so much!!
Click to expand...
Click to collapse
O yeah I know the feeling, went trough the same, glad I helped!
Also pressing the tnx button on my post would help me!

I already have persist folder and file in root directory and overwrite it with rw-r-r permission but still not working plz help.

HELP!
I have restored to stock firmware, and my wifi just turns off when i turn it on. I think i am missing this file but as im on stock I dont have root access. How can i install this file if i dont have root access.
A quick reply would be amazing!
Thanks

mrangryoven said:
I have restored to stock firmware, and my wifi just turns off when i turn it on. I think i am missing this file but as im on stock I dont have root access. How can i install this file if i dont have root access.
A quick reply would be amazing!
Thanks
Click to expand...
Click to collapse
You could just root again. Using super su you can unroot using the super su app after you finish the fix.
Sent from my XT1064 using Tapatalk

still have the same issue. stock rom and stellar kernel

Thank you man, this really worked!!! You saved my ass!
PS: I have another problem similar to this one. I can' t acces to my mobile network, I have them turned on, but when I press on Network operators, a message pops up saying "Error while searching for networks ". Have you ever encountered this problem? Because I can' t find an answer

sumit227 said:
I already have persist folder and file in root directory and overwrite it with rw-r-r permission but still not working plz help.
Click to expand...
Click to collapse
I also tried to reload the stock boot.iso but that did not help me in this case. In the end what fixed this issue for me was to wipe the phone and load cyanogen mod 12.1.
I downloaded the following files to my phones SDCARD before starting the process below.
cm-12.1-20150816-NIGHTLY-titan-recovery.img
cm-12.1-20150816-NIGHTLY-titan.zip
gapps-5.1-arm-2015-07-17-13-29.zip
0) reboot into fastboot
1) fastboot flash recovery cm-12.1-20150816-NIGHTLY-titan-recovery.img (this was done from the command line on my Mac, and that file was on my Mac at the time)
2) reboot into recovery
3) choose "Wipe data / Factory Reset"
4) choose "Apply Update" -> "Choose From SDCARD1 -> "cm-12.1-20150816-NIGHTLY-titan.zip"
at this point I rebooted but could have probably installed GAPPS right away. The wifi was working again at this point!
5) choose "Apply Update" -> "Choose From SDCARD1 -> "gapps-5.1-arm-2015-07-17-13-29.zip"
I think I will stick with CM for now. I've used it in the past and it was fine.

jreeve0805 said:
I also tried to reload the stock boot.iso but that did not help me in this case. In the end what fixed this issue for me was to wipe the phone and load cyanogen mod 12.1.
I downloaded the following files to my phones SDCARD before starting the process below.
cm-12.1-20150816-NIGHTLY-titan-recovery.img
cm-12.1-20150816-NIGHTLY-titan.zip
gapps-5.1-arm-2015-07-17-13-29.zip
0) reboot into fastboot
1) fastboot flash recovery cm-12.1-20150816-NIGHTLY-titan-recovery.img (this was done from the command line on my Mac, and that file was on my Mac at the time)
2) reboot into recovery
3) choose "Wipe data / Factory Reset"
4) choose "Apply Update" -> "Choose From SDCARD1 -> "cm-12.1-20150816-NIGHTLY-titan.zip"
at this point I rebooted but could have probably installed GAPPS right away. The wifi was working again at this point!
5) choose "Apply Update" -> "Choose From SDCARD1 -> "gapps-5.1-arm-2015-07-17-13-29.zip"
I think I will stick with CM for now. I've used it in the past and it was fine.
Click to expand...
Click to collapse
This also worked for me, loaded the latest CM nightly and Wifi came back. Previous steps outlined in this thread did not work.

Had issues with Moto G2 wifi after rooting.. wotks fine after Blisspop
Tom flash
Sent from my SM-T231 using XDA Free mobile app

pls help
persist folder gets removed every time i put it there using root explorer... when i click add new folder into the / (persist is not there) and type in persist it creates a folder with the files already there then i quit the explorer and come back only to find out the the folder is not shown there anymore but if i created again is gets in there and has all the files but again when i quit it disappears...
---------- Post added at 08:48 PM ---------- Previous post was at 08:25 PM ----------
Tel864 said:
You could just root again. Using super su you can unroot using the super su app after you finish the fix.
Sent from my XT1064 using Tapatalk
Click to expand...
Click to collapse
pls help me i have the folder but its not shown in the explorer it only shows when i add new folder and name it persist but then it disappears again

WiFi turns off instantly I try to turn it on
I have the same issue like you guys, and i've already try to copy the file to the /persist folder, with all the permissions... and nothing but error message pop ups (I can't modify the files in the folder, but accidently I erase one of the WCNSS files. It doesn't make any sense)
I've also tried to install the stock firmware to my XT1068, several ROMs with LP 5.0.2, 5.1, etc (everytime doing wipe cache and data); and the issue is still going.
What can I do? Downgrade to KK can restore all the missing files?
Maybe I can copy a /persist folder entirely with all the files... I don't know.
I'm running out of ideas! And I don't want to live with the idea of 'no-wifi' in such an excellent phone! :crying:
Thanks for your time, guys!