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[Q] Problems loading factory image

I've looked all over, but cannot find anything on the problem I am having.
I go through the steps to load the current factory image onto my nexus s 4g through terminal on my mac, but for some reason it doesn't load everything. Here's what it says in terminal about the items that can't load:
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
And here's what my folder looks like where I'm loading everything from:
I guess I can't post a picture from an outside source, so I'll just type in what my folder looks like:
boot.img
bootloader-crespo4g-d720spric1.img
flash-all.bat
flash-all.sh
flash-base.sh
image-sojus-jro03r
image-sojus-jro03r.zip
radio-crespo4g-d720sprilf2.img
there are files in the unzipped folder (image-sojus-jro03r) named:
android-info.txt
recovery.img
system.img
userdata.img
These seem to be some of the files that are missing, but even when i drag them over to the main folder, they still don't load. maybe something to do with the fact that they are .sig's?
I drag the flash-all.sh file into terminal and it loads and writes everything except for these .sig's, which I truthfully don't know what they are. Now I can't get into the correct recovery mode, it just shows some weird blue-lettered options that are different then the normal recovery options. That is why I think the fact that these .sig files are not loading is the problem.
I also booted up the new operating system and signed on, but for some reason none of my apps can download.
Sorry for my noobness, but I'm sure I'm missing one easy step that will fix my problems.
Does anyone know what I'm going through?
Any help is much appreciated.

Alright. I've searched the web and found a few different things. It seems that it's common for those .sig files to not load. Also, i loaded the factory image again and was able to download my apps.
I also now foolishly realize that to get a good version of recovery, I need to root my phone. I'm in terminal now, and for some reason adb is not showing my phone in adb devices. This wasn't a problem when I loaded the factory image, but now it's a problem when I'm trying to do this: http://forum.xda-developers.com/showthread.php?t=1129759
step 5 is a problem, but hey, I can turn off the phone and go into fastboot mode myself. I guess step 7 is the next problem I'm dealing with. Here's what I get in terminal when I do step 7 manually (I put a *#* where my name is just so everyone knows):
MacBook:~ *#*$ /Users/*#*/Desktop/adb-fastboot/recovery-clockwork-5.0.2.0-crespo.img
-bash: /Users/*#*/Desktop/adb-fastboot/recovery-clockwork-5.0.2.0-crespo.img: Permission denied
Does anyone know what I'm dealing with this time around?

You probably need to enable adb in Settings --> Developer Options. If it's an issue with adb while in recovery, i'm pretty sure the stock recovery (which will be overwritten on every boot from a stock ROM) doesn't allow it. What you need to do is flash a new recovery in fastboot (not in recovery).
Commands (while in fastboot mode):
/path/to/fastboot devices <-- this will tell you if your phone is connected properly
/path/to/fastboot flash recovery /path/to/recovery.img <-- this will flash the new recovery
You'll need to type in the path to fastboot unless you have it in somewhere like /bin or a more convenient environmentally recognised location. The command you typed there is the same as trying to open the .img file as a script, you want to tell fastboot to flash the file to the phone and not open it with the computer.
Edit: Also, once you root, you probably want to delete /system/etc/install-recovery.sh. That file replaces any custom recovery with stock each time you boot.

Thanks Harbb.
That's what I ended up doing, using fastboot. it worked perfectly. I did try to find the /system/etc/install-recovery.sh file in root explorer, but could not find it. don't know where it is.
Everything is rooted and restored on my custom rom to where I was previously using titanium backup.
Here's the tutorial I was using: http://forum.xda-developers.com/showthread.php?t=1129759
with this video being a walkthrough of the previous tutorial: http://www.youtube.com/watch?v=sP9ZDWmbLVM
I was actually using the recovery img in the android folder that I downloaded from the tutorial, and not the one he told me to download, which was my problem in the end. Here's the link to the download page where I should have downloaded it from: http://forum.xda-developers.com/showthread.php?t=988686&highlight=clockwork+4.0.0.2
Thanks again Harbb, much appreciated.

No worries buddy, glad you got it sorted.

[GUIDE]How to update from 5.0 to 5.x without loosing data if you're not 100% stock

Instead of having instructions all over the place inside various threads I felt a clear guide should be available as it's own thread. Now since Google implemented this great feature (all hail google) where normal OTA's no longer work on Nexus devices with Android 5.0 that isn't 100% stock i.e. rooted with or without custom recovery a lot of people don't know how to update their devices.
IMO opinion the easiest way without losing any data is to use Fastboot and this is an attempt of a how-to-guide. This is made on a windows PC, probably works with other OS's too.
What you need:
1. You need ADB.exe and fastboot.exe inside an easy accessed folder i.e. put in c:\ADB.
The easiest way to get these are with this tool: http://forum.xda-developers.com/showthread.php?t=2317790
You can also get this by installing the whole Android SDK but that is just a waste of bandwidth and time.
2. You also need to download the latest factory image for Nexus 5. Do this here: https://dl.google.com/dl/android/aosp/hammerhead-lrx22c-factory-0f9eda1b.tgz
3. You might need adb drivers but you'll have to find instructions for this by yourself.
The procedure:
1. Extract necessary files. The factory image you'll download is named hammerhead-lrx22c-factory-0f9eda1b.tgz
This is an archive which can be opened with an extractor of your choice e.g. 7-zip
Inside this archive is another file with no file type extension. Extract this file and rename it to whatyouwant.zip since it's a regular zip file. Then extract all files within this file (very meta with zips inside zips inside zips etc).
The files you need for updating with fastboot are:
system.img
boot.img
radio-hammerhead-m8974a-2.0.50.2.22.img (rename this to radio.img for more convenience)
put all these files in the ADB folder (it will make things easier).
2. plug your phone to your PC. You need to have USB debugging activated in developer mode.
3. open a command prompt and orient yourself to the adb folder (c:\ADB)
4. type adb reboot bootloader and wait until your phone is in bootloader mode.
5. type fastboot flash system system.img and wait until it's finished.
6. type fastboot flash radio radio.img
7. type fastboot flash boot boot.img
8. reboot your device (type fastboot reboot).
Hopefully this will work and you will update without loosing any data. Then you can proceed with rooting, flashing custom recovery etc. This is easiest done with WUG nexus root toolkit (http://forum.xda-developers.com/showthread.php?t=2389107)
I couldn't find any other guide's but if there's already one please remove this.

Just a note, you don't need adb.exe at all, and the drivers are actually USB drivers.
Its also worth noting that 95% of us prefer to recommend users not use toolkits.
Also, you could simply say:
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash radio radio.img
...then point them to the existing adb and fastboot thread which would have saved you writing all the installation stuff out.

Thanks for the guide @mertzi. I've just used to upgrade my Nexus 5 to 5.0.1 without any loss of data. I appreciate the help!

rootSU said:
Just a note, you don't need adb.exe at all, and the drivers are actually USB drivers.
Its also worth noting that 95% of us prefer to recommend users not use toolkits.
Also, you could simply say:
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash radio radio.img
...then point them to the existing adb and fastboot thread which would have saved you writing all the installation stuff out.
Click to expand...
Click to collapse
Do I still use "fastboot flash radio radio.img" even though the radio image from the tgz file is "radio-hammerhead-m8974a-2.0.50.2.22.img"?

optoisolator said:
Do I still use "fastboot flash radio radio.img" even though the radio image from the tgz file is "radio-hammerhead-m8974a-2.0.50.2.22.img"?
Click to expand...
Click to collapse
No. The 4th section is the file path and location.

So this keeps user data? Just updated the system to 5.0.1?
Maintains root and all?
Sent from my Nexus 5 using XDA Free mobile app

Keeps user data but you will have to re-root.

Thank you, thank you, thank you.
I've spent last couple days trying to make heads or tails out of other "tutorials". Some of them linked the OTA update and gave instructions for full image, others gave instructions but lacked the links to the image. I am surprised that none of my searches took me here until today.

Thanks a lot for this guide I was ale to update to 5.0.1 thanks to this guide.

Can I use this method to update from 4.4.4 to 5.0.0 ?

... Not aire if you can jump from 4.4.4 to 5.0 this way...
I actually jumped flashing radio and baseband and THEN flashing CM12.1

Android 5.0.1 OTA Manual Install Instructions & Nexus 5 Tips

I'm writing this so that you all will not have to go through what I just experienced when trying to flash the android 5.0.1 OTA manual update. Here are some of the errors I've gotten out of and I will give you some tips to get fix these. I always seem to encounter issues that no one else has when flashing, so here we go.
Tip 1
1.)If you are trying to flash 5.0.1 (tip applies to any version) from the google website here: https://developers.google.com/android/nexus/images ....Make sure your computer can handle ".tgz" files. This took me a day and a half to figure out. If you try to download one of the files off this website without the proper software to do so you will simply get a ".tgz" file that you cannot extract the necessary files from.
*The solution is to download winrar from http://www.win-rar.com/predownload.html?&L=0 this website. Once you do and run it the ".tgz" file will become a folder (icon should look like stacked books) and you can proceed to actually follow the instructions on the page where you downloaded the file from. I learned this the hard way.
Tip 2
If you dont really understand how to us the "ADB" tools or "SDK" and everything related sounds like a foreign language to you then watch this video: http://highonandroid.com/android-ro...r-android-in-a-bootloop-with-no-os-using-adb/. It will explain how to copy files to your device while in bootloop. Pay special attention to the part about making sure your drivers are set up correctly. Drivers always get me when I installs. This knowledge will transfer over to downloading any rom or factory image in the future.
Links for Moving files to your device while in recovery:
Here are the appropriate drivers for copying files while in recovery to the nexus 5:
http://downloadandroidrom.com/file/drivers/Android/usb_driver.zip
Here is the fastboot link: http://downloadandroidrom.com/file/tools/fastboot.zip
Tip 3
The way I installed android 5.0.1 was:
1.)I downloaded the file from the google developer website that i pasted at the top
2.)I moved that file to a folder named "root" that i created on my desktop
*In this folder i have chainfire auto root http://autoroot.chainfire.eu/ in case i need to re-root my phone, I have the adb and fastboot.zip folders in my root folder as well.
3.)I moved the folder inside the FASTBOOT folder and extracted the file that i got from the developer website here. Once this is down there is another
3.)I extract the files here. After you extract there should be another folder called "image-hammerhead-lrx22c.zip." I copied those files to the fastboot folder as well so that they are outside of the zip file. I did not remove the zip file once I copied the insides to the outside. Right or wrong this is what I did.
4.)I used the Command prompt to navigate to this directory. Watch the how to copy files video to see how to navigate using the "cd" command
*basically i typed "cd desktop" which means change directory to the desktop. Then i did "cd root"....then "cd fastboot" ...YOUR PATH MAY BE DIFFERENT.
5.)Once i was here i could follow more of the instructions on the developer website. I could run that "flash-all.bat" command to begin flashing the 5.0.1. In order to run this command you literally type "flash-all.bat."
6.)After it finished it said,
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
helpful links: http://forum.xda-developers.com/showthread.php?t=1992063
This was okay, what you dont want is falures. While 5.0.1 is being installed, if you notice it say failure in the place where everything else is saying "OKAY" you have a problem. One guy on that xda link said:
"Extract the zip.You will get another file..extract that...keep extracting all the files till you get system.img, recovery.img, boot.img, etc ..then boot into bootloader and Manually flash all the img files
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash recovery recovery.img"
You can type this into cmd and do each one by one and it may work.
7.)YOU MUST MAKE SURE TO EXTRACT THAT SECOND FOLDER inside the developer file! If you don't you will get failures because the program is looking for them. That's why manually installing them may work as well.
8.)IF YOU SEE THE ANDROID WITH NO LOADING BAR UNDERNEATH this does not mean that you are bricked. I thought it did and kept flashing 5.0.1 over and over and over again. Then i just waited a bit and my phone rebooted and i saw the glorious dots rotating on my screen. I lived happily ever after.
9.)Once you are finished installing 5.0.1 you will loose root. Run that chainfire auto root program.You have to boot in to the bootloader screen...NOT RECOVERY...just the screen where you see the android and you can select "start" "recovery" etc. and open up that chainfire program and hit a key to start it. There are instructions on the actual program if you need help. If you are on the bootloader screen that i am talking about and you start the program it will "auto root" that is, automatically root your phone and thats that.
10.)Download root checker off the play store to see if you are actually rooted and have a blessed day. https://play.google.com/store/apps/details?id=com.joeykrim.rootcheck&hl=en
Let me know if you need further explanation. I'm no pro but I've failed in soooo many ways i probably could help ya out! Jesus loves you all!

Shamelessly requesting laf.img for LG VS880 on Android 5.1

After getting an LG G Vista on Verizon (LG VS880) used for cheap, I figured I'd try to unlock the boot loader and flash a custom recovery. I found this post detailing how to do so, https://forum.xda-developers.com/general/general/guide-unlock-bootloader-flash-cwm-t3132905, but unfortunately I didn't realize that this fastboot unlock method only works for kitkat and below.
I'm doing (Or at least intending to if I can get this sorted out) research on whether the phone is possibly downgradeable to kitkat, but after following the tutorial I posted above, (of course I didn't backup the laf.img... I know, I'm stupid.) I was wondering if anyone else with this phone on this firmware could run the first command for me and send me the laf.img it pulls. I would be forever in your debt.
I know its a long shot, but I don't know where else to turn at this point except buying a brand new phone on 5.1.1 to get the laf from...
Any help is appreciated, whether you can fulfill my request or you can point me to some where where the file is available.
Thank you much!

Solved
So actually that was quick. For anyone who may happen to ever see this, here are the steps to follow:
1.) Download the .kdz for the current firmware your phone is on.
2.) Use KDZ and TOT extractor by bullghost here: https://forum.xda-developers.com/showthread.php?t=2600575 to extract the .dz file from your .kdz
3.) Use the same tool again to extract the laf_xxx.bin from the .dz file.
4.) Rename the laf_xxx.bin file to "laf.img" without quotes. On windows, it should probably ask if you're sure about the extension change. Say yes.
5.) Get the file on the phone, wither pushing with adb or by moving it over through the GUI in windows explorer or nautilus on linux or whatever.
Next is the important part. Reference this post I used in the OP for the commands: https://forum.xda-developers.com/general/general/guide-unlock-bootloader-flash-cwm-t3132905
1.) Boot the phone if it isn't already and connect it to your PC.
2.) Open an adb shell and type:
dd if=/path/to/laf.img/on/phone of=/dev/block/platform/msm_sdcc.1/by-name/laf
3.)Voila! Assuming you get no error messages, you're all good to go, and your download mode should be working fine.
NOTE: THIS COMMAND IS FOR THE LG VS880PP variant, it may work just fine for other LG phones (or all other phones for that matter) I don't really know, but I know the only phone I used it with is the LG VS880P.
Go have fun restoring your download mode!

delete don't work

Thread Closed Per OP Request
Don't work,
I give up
Thanks in advanced. All comments can help!

I have a tablet I can depure via USB and where I can root the tablet. But if I connect to the internet, the "registration and password" of university program enters and is saved (even after formatting it is stuck on this screen) blocking the tablet, I believe that after the internet loads, it installs this locking program ... What would be the name of this type of application? I'd like to know, how remove this app, to If connect in internet, we can block (and try install TWRP via internet with TWRP Management)...

C.Modica said:
Hello everyone !
I've been trying to resolve this issue for weeks. I have a tablet that I can't unlock (it's super hard, it's like Dark Souls of tablets). Well let's start.
He has a program that blocks asking for password and user (this a old from a university), where you request access via wireless or 2G/3G. without it you can't access it, so I believe I have to change his firmware instaled in, but I'm having a hard time to make it.
• Let's go to basic product information:
The chip is a RK3066 (same from TV BOX based on rockchip).
The model is YPY L1050 from POSITIVO (it's from Brazil).
- Software and Items
I have the drivers installed (correctly);
I have adb installed;
I have SD_Card;
I have acess from PC;
The tablet is unroot;
• Back to the items:
So, the good news is that I have the same tablet model, unlocked (with another type of ROM that I am unaware of). That works normally, without problems. Well, I saw a procedure that basically it is possible to extract this image from the good tablet, to the locked tablet. I did that, I ended up extracting a series of .img files from the unlocked tablet: boot, cache, kernel, system, etc... ok.
• Trying a extract from unlock same tablet:
I try transfer the copied files from "good unlock tablet" (extrated with AndroidTool), and put in (with the same tool) in the lock tablet... There is a problem, even before starting the operation, I have the error "Test Device Fail ", in the last is not possible to transfer files via USB (I can only do commands like" ResetDevice ", or export the images from the blocked tablet via AndroidTool... and yes I have the drivers instaled, commands like adb sideloader in the fastboot works).
• Trying a firmware found in internet:
Well, I tryed to download the firmware found on the internet corresponding to the device model, but unfortunately I have the same error as above. I download the .img firware original and using the RKBatchTool and have the same error (the operation don't start, give "Test Device Fail" in "Upgrade" and "Restore").
I believe that both operations do not accept transferring via USB.
PS: The tablet unlocked the command of "TestDevice" works fine.
• What I was thinking of doing:
1 - I think I need to take the all .img(s) files extracted from the unlocked device, put it in a single image (.img), put it in a SD_Card and in the "fastboot" take the option "update rkimage from external storage". But I don't know how to do this. (I try search for it);
2 - Somehow being able to do "apply update from external storage", maybe doing the same procedure above with an "update.img", but I also don't know how to do that (put all img. files together in the form of a one update.img).
3 - Have anothers options, like "apply update from ADB", the PC response this conection with tablet, (I can see the device with ''adb device'' cmds in sideload mode in PC). The problem is that I don't know how I'm going to send the .img file, if I send it inside a .zip (I even tried that, send all the .img files inside a .zip to see if it works. The tablet arrives to read the files but in the end the operation aborts). So my knowledge is lacking in this part.
4 - Another would be such a "ROM Dump." I'd like to do a "ROM dump" with an SD card, I even researched it on the internet but I didn't find this procedure to rockchip (only for Amlogic).
With SD Card:
There was a youtube that managed to unlock a tablet like that, but it was a previous model that I'd like to unlock (and different version of firmware, android etc). His method was to put a bootable sd_card, but he doesn't explain how he does it (he only gives the file done) and looking at the files internally, I just think they were converted to linux formats (system.tar.gz, userdata.tar.gz, some .sh .so files, and a bootenv.img, uImage etc) and with completely different names from .img... It is a pity that it is not for my Tablet model .
Well, that's it in the end, I need to change the firmware and I don't know how to do it.
PS: I tried other operations/methods as well, but I will not comment so that this post doesn't get big.
Thanks in advanced. All comments can help!
Click to expand...
Click to collapse
Instead of trying to package the .img files into one file, you should try flashing each .img individually via fastboot using commands with the following structure:
fastboot flash <name of partition> <name of partition.img>
The following commands are examples.
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash cache cache.img
fastboot flash kernel kernel.img
You will need to use a separate command for each individual .img.
Sent from my SM-S767VL using Tapatalk

Droidriven said:
Instead of trying to package the .img files into one file, you should try flashing each .img individually via fastboot using commands with the following structure:
fastboot flash <name of partition> <name of partition.img>
The following commands are examples.
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash cache cache.img
fastboot flash kernel kernel.img
You will need to use a separate command for each individual .img.
Sent from my SM-S767VL using Tapatalk
Click to expand...
Click to collapse
Hi, thanks for the reply. Well I can make it via adb sideload? I can't use the command "adb reboot fastboot". Because this command "adb reboot fastboot" only turns off the tablet don't restarting into fastboot/download mode (just turns off). But If I manually enter on the bootloader, I can access the adb sideload option, where the adb install on computer can detects the device via the "adb devices command" with sideload.

C.Modica said:
Hi, thanks for the reply. Well I can make it via adb sideload? I can't use the command "adb reboot fastboot". Because this command "adb reboot fastboot" only turns off the tablet don't restarting into fastboot/download mode (just turns off). But If I manually enter on the bootloader, I can access the adb sideload option, where the adb install on computer can detects the device via the "adb devices command" with sideload.
Click to expand...
Click to collapse
It isn't going to work via adb unless the device is rooted and then it won't be via adb sideload, it would be done by using dd commands to dd the .img files directly to their partitions.
Sent from my SM-S767VL using Tapatalk

I just found a solution. It requires some tinkering, though.
I had to use a machine running windows 7, because that's the only OS that the drivers worked.
Download the firmware for the Ypy L1050F here: https://www.stockrom.net/2018/07/l1050.html
It comes with the drivers, the ROM, and a tool called RKBatchtool 1.8
You'll have to decompress everything, open RKBatchtool and choose the firmware that is in the ROM folder (Not the DEMO one).
Now comes the tricky part: You gotta undo the 3 screws aroud the tablet, then pry it open with your fingers(remember to remove microSD and SIM first, to avoid breaking stuff!). I recommend startind by the side with the usb, hdmi and power ports to get some leverage. The back cover should pop right off. Then you have to locate the NAND chip in it. Should be a Micron one with 48 pins. The small circle at one of the corners of the chip represents pin 1. Plug your usb cable to the tablet. With the tablet TURNED OFF, use a SIM removal tool or very fine tip metallic screwdriver to short pins 17 and 18 on the NAND chip and plug the power jack into the tablet. RKBatchtool should show that a device was connected. You can release the screwdriver now and just click the "Upgrade" button in RKBatchtool. Now this is very important: DO NOT UNPLUG your tablet until everything is done. It'll tell you when it's done uploading the firmware and checking it. Enjoy your new usable tablet!
I scoured the internet and found this procedure being used for TV Boxes with the same RK3066 SoC. AFAIK, nobody else managed to do it so far, so spread the word.

You are awesome. Broke the internet! I will follow your procedures to try to unlock it. Many thanks again xmas for you.
[edit] don't work