Samsung Galaxy S :: Flashing A Samsung Tablet P1000

Aug 20, 2010

I'm an Android developer who is working with the upcoming Samsung P1000 tablet. I have to say that I haven't worked with Samsung Android devices so far. This is a developer/Engineer sample but I have real rough time to get a contact person at Samsung to help me solve this in a fast way, so I'm asking to the community :-)

The thing is I was trying my application while developing and every certain time I found the phone memory almost full (I think the tablet is saving all of its logs in a very verbose way in /data/logs where I haven't permission to access, and also it hasn't a micro sd inserted). The first time this happened I just did a factory reset from the OS itself.
The second time has been today and the phone was so full of data it didn't start at all. I was viewing the logs with adb logcat and Android was unable to start. He was trying and trying again (like in a loop) but only the Android logo was shown. I found the lack of memory to be the reason for this:

W/BatteryStats( 2949): Error writing battery statistics
W/BatteryStats( 2949): java.io.IOException: No space left on device
W/BatteryStats( 2949): at org.apache.harmony.luni.platform.OSFileSystem.writ eImpl(Native Method)
W/BatteryStats( 2949): at org.apache.harmony.luni.platform.OSFileSystem.writ e(OSFileSystem.java:129)
W/BatteryStats( 2949): at java.io.FileOutputStream.write(FileOutputStream.ja va:297)
W/BatteryStats( 2949): at java.io.FileOutputStream.write(FileOutputStream.ja va:253)
W/BatteryStats( 2949): at com.android.internal.os.BatteryStatsImpl.writeLock ed(BatteryStatsImpl.java:3080)
W/BatteryStats( 2949): at com.android.server.am.ActivityManagerService.<init >(ActivityManagerService.java:1430)
W/BatteryStats( 2949): at com.android.server.am.ActivityManagerService.<init >(ActivityManagerService.java:129)
W/BatteryStats( 2949): at com.android.server.am.ActivityManagerService$AThre ad.run(ActivityManagerService.java:1338)

The tablet can't write anything on the system, so it fails at booting and tries again, and again...

I did a factory reset via ADB with adb reboot recovery. Then the phone shows the recovery menu but no matter what option I choose (reboot, factory reset, update.zip or wipe cache) because the device doesn't seem to be doing anything but keeping the screen in black. If I turn off the device then it goes again to the recovery menu.

So I was stuck with the Android logo screen, and now I'm stuck in the recovery screen.

I thought flashing the phone would help so I turn it on in upload mode pressing the 2 volume buttons together (Power reset or unknown upload mode it says). This way the phone is recognized by Odin Multidownloader. I just grab a leaked firmware for this upcoming tablet from this Web The rar file only contains a SS_DL.dll and a OXA.tar. The tar contains some files: modem.bin, zImage, param.lfs, cache.rfs, dbdata.rfs and factory.rfs.
I've never used Odin nor flashed an android samsung phone so probably I'm doing something wrong. I tried to load the tar as the phone image it gives me an error, I also tried to load it as a single package but also failed.

So at this point I'd be most than grateful if anyone can share his ideas on this almost bricked tablet :-P


Edit: That "upload mode" was a fault of me, probably volume down was released while booting. I have the device in download mode but Odin keep me saying check image files, Any idea??

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Android :: Home Button On Samsung Galaxy Tablet Is Causing My Activity To Re-launch

Nov 22, 2010

On my droid phone, I get what I consider a proper pause/stop/resume/restart sequence when the home button is pressed and I then select my application. However, I'm testing on a new Samsung Galaxy tablet and when I select my application after having pressed the home button, a new activity is being launched. I do not understand why the behavior is different on the Galaxy. Any ideas? I have removed orientation config changes in the manifest, so it's not that.

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Nov 18, 2010

I got my galaxy s today... quickly tried some stuff, and i pretty much like it so far. But i do have some questions about unrooting and flashing.

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2. If i were to root my phone, would i need to unroot it before flashing new rom? If so how would i do it (is factory reset enough or not)?

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May 19, 2010

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Jun 9, 2010

I have got a few questions about my Galaxy. More infomation about my version below.

Firmware version: 1.5
Model number: Galaxy
Build number: 76XXCSDCBALUM6375
Kernel Version: 2.6.27 hyunchul0221.jung@SE-S402 #1
Base band version: I7500DFII3

Quote:

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Nov 30, 2010

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My first question is,
Is there a generic (Non Bell, Orange, Att, etc.) version of Android that works on any android phone? Also, what about a version that works on any brand of phone, sort of like WIndows on a PC. I know there are a sh*t load of different phones out there, but I was wondering if a generic version would work.

Question #2,
Can I flash a European version of Froyo onto my Canadian phone?

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b- Google contacts (with phone numbers) and normal phone contacts appear on "Contacts"
c- Google contacts (with phone numbers) and normal phone contacts appear on "MVOIP application".

I know how to do

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(b) - by choosing display options
(c) - I do not know how to handle this and I want help.

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Nov 20, 2010

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So I flashed my phone early this morning with H7 (I'm in the US - I don't think the H8 with that German/UK CSC file will work for me). Was running GREAT! Seriously, I finally was able to get Internet anywhere and have Market and use the phone like I'd wanted to when I bought it. Then about an hour ago - coincidentally, shortly after I bought my first paid Market application - I picked it up and it was unresponsive. It had shut itself off. I push and hold the power button, and the "Samsung Galaxy" splash screen appears for a second or two and then it dies. When I try plugging it in, the same thing happens with the battery icon: shows up for a second or two and then dies. I was able to get into download mode stably, so I tried to reflash. Odin said everything went fine, but the insta-dying remains.

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I was having a bunch of problems the other day and I had to re-ODIN the phone like.. 4 times and now its just randomly rebooting itself.. Should I ODIN AGAIN? I'm using the 1.6 factory.. and I'm afraid I'm going to have to keep just re loading it over and over..

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Jul 19, 2010

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When I let the phone boot up normally, both computers then recognize it and I can transfer files and such. I have uninstalled and reinstalled the ADB drivers multiple times, when the phone boots up normally I can use PDANet just fine so I doubt it is the connection. Is there something special I need to change in the phone settings before I shut it down and enter recovery mode? It seems like the phone isn't loading something as it boots into recovery mode. That it loads when I let it boot normally.

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Dec 30, 2009

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I'm passing this on for the people who are new to flashing with this particular phone and don't know where to start etc.

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Jul 30, 2010

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Download and flash BH-MAN Warheads ROM http://www.4shared.com/file/nFe93F45/BH_MAN_WarHeads.html
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Samsung I7500 :: Flashing And Rooting Overview

Sep 25, 2009

I've been a Galaxy owner since release day on O2 UK and have been following the forums here for a while. I've had all the usual problems (NPS being useless, etc) and found the forum to be invaluable, so thank you.

I wanted to update the firmware, but found there's almost too much information around. Lots of updated / contradictory information, and some of it requiring convoluted hacking of text files etc. I eventually took the plunge, and made notes as I went. Hopefully, this will be of help for other new users.

After reading, I decided there were two stages to this. First, back up the phone so if it all went west I could roll back. Second, get the firmware on it.

Booting in various modes:

With the phone off:

Fastboot mode - call + power
Recovery mode - vol-down + call + power (hold home + back to exit)
Download mode - vol-down + ok + power

To enable root and back up the phone: (update - this method appears to have been blocked as of firmware rev. II5, should still work for IH8 and earlier)

To enable root and back up the phone:

Get recovery image from http://www.megaupload.com/?d=8SAFKOIN see [url]

Get recovery flasher from Android Rooting in 1-click (limited time only... until it gets patched)

Copy recovery.img and rectools.tar.gz files to /sdcard
(tar.gz must be the root of /sdcard)

copy the recovery flasher .apk to /sdcard and install it

Run recovery flasher
Choose "backup recovery image" just in case

Enter sdcard/recovery.img as the path
Choose "install custom image"

Boot into recovery mode
Run a nandroid backup
Enable root if desired
Reboot

To flash the firmware:

Get Odin + H7 firmware from MEGAUPLOAD - The leading online storage and file delivery service

Get H8 firmware from RapidShare: 1-CLICK Web hosting - Easy Filehosting and unizp it to give you a .tar file. Alternatively, you can use the latest I5 firmware here, there's links to it elsewhere on the forum - I'm using H8 as an example as this was the latest when I wrote this.

Edit the .tar file with 7-zip to remove cache.img (to remove CSC branding) - 7-zip handles .tar files in a vaguely sensible manner, unlike things like WinRAR. 7-zip can be had from 7-Zip

Boot phone in Download mode
Run Odin
Follow instructions here The Chronicles of Cjeni a.k.a. Dejan Cencelj: Flash ROM Samsung I7500 Galaxy for dummies - essentially you're adding your freshly modified .tar as a one-file update, along with the orion.ops file supplied with Odin. The web page is nice and clear.

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Samsung Behold 2 :: Flashing Kernel And Security ?

Feb 15, 2010

I decided to split this off to a new thread, and hope some coders will join in and start compiling a kernel. We could then merge this with the galaxy asop effort.

Here's a bit more technical information.

Galaxy

The galaxy flash files are just yaffs images and a zimage (and of course AMSS) all tarred up. The tar format needs to be oldgnu for odin to accept it.
There's no protection at all. Thats because the glaxy is released completly security unlocked (simlocks are different, not the same thing). You can flash any image you like.

AMSS - arm ELF binary for baseband
kernel - zimage
system - standard yaffs image
recovery - standard recovery format
tar - oldgnu style standard tar file

The Galaxy also has a mtd device driver which means you can read/write its partitions with dd.

/dev/mtd

Behold 2

The behold has the same image format, yaffs, zimage and AMSS. See below for specific differences per image:

AMSS - arm ELF binary for baseband

The behold 2 also contains a partitions file. This is most likely for the AMSS, and allows the layout of the baseband to change. I'm not sure if the galaxy supports the same, but probably does.

Its safe to say you should NOT try to flash an AMSS from galaxy to the behold or vice versa.

Since the radios have the same functionality, and we don't know how to recompile and AMSS, you should never flash any new AMSS with a custom rom. Only flash AMSS with official updates.

> kernel - zimage

Just like the Galaxy this is a standard zimage. There's nothing special about it and you can modify it however you want. BUT in order for it to flash the tar file needs a special header (see tar below)

Since we can change the kernel, upgrades to newer OS versions is now possible.

> System - standard yaffs image

It appears the system image format on the behold2 is DIFFERENT to that on the galaxy. If you flash a galaxy system file onto the behold 2 you will most likely end up with a brick.

I suspect the behold 2 file has the flash address embedded inside it. Flashing the galaxy system file writes to a bad address killing the bootloader. When i say BRICK i really mean BRICK. No life in the phone at all, it wont even charge. so DONT DO IT!

In order to write a custom system to the behold 2, we will need to untar or unyaffs the modified system from the sdcard on first boot. This can easily be accomodated in the init.rc of you're modified zimage.

> Recovery - standard recovery format (protected?)

The recovery image format seems to be the same - standard android format with a ramdisk, kernel etc. However flashing it using odin doesnt work. There is some sort of protection which is preventing the image being flashed. I havnt looked thoroughly at this and someone really should. I suspect either it is signed (unlikely since the other images dont seem to be protected), or there is a write address embedded in the file, like the system file.

It would be nice to be able to flash a custom recovery, or even boot from a ramdisk, but I think this wont be simple.

> tar - oldgnu style standard tar file (with header)

Both the galaxy and behold2 have a header at the top of tar. The galaxy will flash regardless of if this header is intact or not. The behold 2 however MUST have this header intact for it to flash anything.

It seems this header contains the size, and write address of the zimage. Its possible the addresses of other images like the recovery are embedded in this too. We should look more closely at this header, especially between firmware versions to see what changes. In the mean time to replace the zimage, just hexedit your new image over the existing 'kernel' file in the tar. Remember you need to keep the size the same, so pad with zero's or just leave the remainder of the old kernel in the extra space.

Progress?

The sources that samsung provided are missing patches. This means you can't compile the behold kernel simply.

Also because the partitions are different, and the memory layout is different (compare msm/board-init files) a standard galaxy kernel will not boot.

Making the changes to get it to boot are not that dificult. It would be nice if someone who actually has a behold 2 and linux knowledge could have a look at this. It takes far to long for me to do this remotly, and frankly I just dont have that much time.

All you need to do is:

- compile the galaxy kernel (test your environment)
- replace board-init in the galaxy source with that from behold2 sources
- turn on linux console

Now boot and check if the galaxy kernel is able to see device's for each partition on the behold. If not you'll need to copy the disk/flash driver from the behold 2 sources.

Once you are able to get that far, you can merge the changes into the i7500 asop project and add a kernel switch for the behold 2. Now all galaxy 2.x progress will be directly transferable to the behold2.

You will need to make a change to the init.rc to mount the drives and unyaffs the modified system.img the first time it boots. Again a simple change.

Forgot to mention HOW to flash a kernel.

1) Take the stock behold 2 PDA tar file.
2) Use jzip (must be jzip on windows, winzip etc wont work) to remove ALL files except the kernel.
3) Extract the kernel file for reference (leave it in the tar too)
3) Download HexWorkshop or similar Hex utility.
4) Use Hex Workshop compare function to compare 'kernel' and the tar. It will highlight the kernel in the tar file
5) Open new kernel in Hexworkshop. Select all and Copy
6) Highlight the same number of bytes in the tar file and paste over the original kernel
7) Flash with Odin (JUST this tar) as PDA, and of course selecting the behold ops file.

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First of all, salute to BH_MAN for offering so much joy to BHII users.

My questions is how to back up my apps. Everytime I flash a new ROM, all my installed apps and settings are wiped away. If there a way to back them up and restore them after flashing?

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Samsung Galaxy S :: Best Case For Samsung Galaxy S

Sep 29, 2010

I just wanted to start a thread and see what everyone's using to protect their SGS baby.

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Samsung Galaxy S :: IPhone 3gs Vs Samsung Galaxy S

Jul 17, 2010

I am a 16 yr old who's unable to choose between the 2 phones mentioned above.whichever i buy would have to serve me good for at least 5 years.please help me out.

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Samsung Galaxy S :: Samsung Galaxy S VS HTC Desire

Oct 16, 2010

What are the pros and cons of each device? which one would be the better pick?

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Samsung Galaxy S :: Mobile Unveils Premium Galaxy S Smart Phone Accessories

Aug 11, 2010

This was not posted yet in the GS section... Samsung Mobile Unveils Some Nice Galaxy S Accessories.

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Samsung Galaxy S :: Can't Galaxy S Glass Surface Be Easily Scratched With Sharp Objects?

May 28, 2010

Is it the glass surface that cant be easily scratched with keys or other sharp objects like a razor ?

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Samsung Galaxy S :: Good Battery Life On A Galaxy S Post Their Batterstats.bin File?

Aug 24, 2010

As per this post, An idea for great battery life

Could someone with good battery life on a Galaxy S post their batterstats.bin file?

I'd like to try this fix and not sure if the batterystats file would work from the other thread since its a different phone.

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