Safety Regarding Modifying Partition Layout - Galaxy S III Q&A, Help & Troubleshooting

If I were to go about repartitioning the flash, what should I/would I need to do to preserve current partition layout, making sure I can easily restore to "normal". Obviously backup all the partitions, what else though?

one-zero-two-four said:
If I were to go about repartitioning the flash, what should I/would I need to do to preserve current partition layout, making sure I can easily restore to "normal". Obviously backup all the partitions, what else though?
Click to expand...
Click to collapse
I might be wrong but from what I read in other threads, repartitioning the SIII is not as easy as for instance the HTC Desire and might brick your device with a high probability. maybe someone with more experience could answer your question though.

Nvr do re partition in odin. just tick f reset time and auto reboot ONLY unless the instructions asked u to do else.
Sent from my GT-I9300 using xda app-developers app
Give a thank if I helped you

JellyYogurt said:
Nvr do re partition in odin. just tick f reset time and auto reboot ONLY unless the instructions asked u to do else.
Sent from my GT-I9300 using xda app-developers app
Give a thank if I helped you
Click to expand...
Click to collapse
No, I think you misunderstand.
A. I wouldn't use Odin, I'd use Heimdall
B. I INTEND to repartition my device as part of a project I'm working on.

You are working outside the known universe for S3 users, I've heard of no-one else attempting repartition.
EMMC chip in this device appears to be very fragile, best of luck with your experiment.
Sent from my GT-I9300 using Tapatalk

boomboomer said:
You are working outside the known universe for S3 users, I've heard of no-one else attempting repartition.
EMMC chip in this device appears to be very fragile, best of luck with your experiment.
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
Fragile; how so? I can accomplish what I want with loop files but I'd rather use partitions.

one-zero-two-four said:
Fragile; how so? I can accomplish what I want with loop files but I'd rather use partitions.
Click to expand...
Click to collapse
Try reading the hundreds of threads where people are left with a hard brick and odin can't even flash a pit, the title of insane bug for the emmc chip says it all. Also many posts by users of cache 'improving' software, again left with a hard brick after resizing a partition.
If you can change/restore the partition structure, without replacing the emmc chip, you'll be one up on everyone else.

Related

[Q] General knowledge

While there are many how to threads on pretty much everything, theres not much going into deeper details. While ofc any of us wishing to learn has google and can find many answers, its just from here the the answers mean a little more. My fear is, my self included, is that there are many of us with misconceptions on some of the inner workings or just bad knowledge. Just to be clear this is to clear up exactly what some of the terms we hear and use actually mean as well as some of the practices.
For example
Regarding Odin
How many partitions exist on the internal memory, and what are there functions.
What exactly does the PIT file do.
What all does the TAR file contain (full package) and how does it write to the partitions.
What is the csc option?
What else should we know about odin?
Why has nobody removed the phone option for our purposes here?
Voodoo, exactly what partition is it changing and how is it actually converting.
Which cache is used for what and where is it stored?
Just some things off the top of my head that i don't have a complete understanding of and wish to learn more. Again for this thread at least i am looking for some details from people that actually do understand. There are many of us that can spew out answers to these and more that are just close to right without a full comprehension.
This is for learning and not just getting enough to get you through a problem as im sure many of us are guilty of
I found the same problem when I first got into Android but this is more a forum for developers who know what they are doing.
MattRussNC said:
How many partitions exist on the internal memory, and what are there functions.
What exactly does the PIT file do.
What all does the TAR file contain (full package) and how does it write to the partitions.
What is the csc option?
What else should we know about odin?
Why has nobody removed the phone option for our purposes here?
Click to expand...
Click to collapse
There are I think about 10-11 partitions on the internal storage. You have /system, /data, /cache, /dbdata, modem, bootloader, secondary bootloader, kernel, recovery, there is a partition dedicated for OTA updates, and another one as well, though I'm not sure what it is for. There may be more as well.
The PIT file is the partition information table, which tells Odin where each partition starts/ends.
The TAR file can contain any of a number of items for flashing, and they'll get flashed to the appropriate partitions based on their name.
factoryfs.rfs=/system
dbdata.rfs=/dbdata
cache.rfs=/cache
movinand.bin=/data
param.lfs=the .lfs partition, not sure exactly what it does
boot.bin=bootloader
sbl.bin=secondary bootloader
modem.bin=modem/radio/baseband
zImage=kernel
recovery.bin=recovery kernel
Adding a md5 sum to the tar file and renaming it to .tar.md5 allows for built in error correction.
Not sure what csc mode is, but I've never seen it used, so I'd avoid it.
Odin is a tool created by Samsung as far as I'm aware for flashing their phones. No one has the source, or knows exactly where the tool came from, so that is also likely why no one has removed the phone button, because you'd have to HEX edit the executable to remove it, and there is no telling what effects it may have, so it's better to just leave it alone.
MattRussNC said:
Voodoo, exactly what partition is it changing and how is it actually converting.
Click to expand...
Click to collapse
Voodoo converts the primary partitions of the phone, /system, /data, /cache, /dbdata. It converts by backing up the data to a file, reformatting the partition, then restoring the data from the file. If it didn't backup the data, it'd just be formatting the system.
MattRussNC said:
Which cache is used for what and where is it stored?
Click to expand...
Click to collapse
Cache is similar to a temporary storage area for files that are created and used frequently/semi-frequently. The files there aren't fully needed, but help speed up the system.
phonefiend said:
I found the same problem when I first got into Android but this is more a forum for developers who know what they are doing.
Click to expand...
Click to collapse
Well I do believe I would have to argue that most people that visit this forum knows what they are doing. While a great many here including myself that knows enough to get by, we would all be better off knowing more. Also since this is q&a forum I thought it would be a good place to ask and learn more then "how do root"
Sent from my SCH-I500 using XDA Premium App
Had no idea there was that many partitions. What was the reason that radios couldn't be flashed to the proper partition along with everything else? (as in why we always have to flash the modems on thee own)
Sent from my SCH-I500 using XDA Premium App
MattRussNC said:
Had no idea there was that many partitions. What was the reason that radios couldn't be flashed to the proper partition along with everything else? (as in why we always have to flash the modems on thee own)
Sent from my SCH-I500 using XDA Premium App
Click to expand...
Click to collapse
No one is completely sure how to flash a full modem file via recovery, and it may not be possible without using stock recovery. The only tried and true method that is know for flashing full modem.bin files is Odin (and Heimdall), so that's why it's always a separate step.
MattRussNC said:
Well I do believe I would have to argue that most people that visit this forum knows what they are doing. While a great many here including myself that knows enough to get by, we would all be better off knowing more. Also since this is q&a forum I thought it would be a good place to ask and learn more then "how do root"
Sent from my SCH-I500 using XDA Premium App
Click to expand...
Click to collapse
I think you misinterpreted my post. I'm just saying I also was looking for the same information you want but it didn't seem that the people in the know wanted to explain all the details you're looking for. It seems in your case someone at least tried to answer some of you questions, which is great.
phonefiend said:
I think you misinterpreted my post. I'm just saying I also was looking for the same information you want but it didn't seem that the people in the know wanted to explain all the details you're looking for. It seems in your case someone at least tried to answer some of you questions, which is great.
Click to expand...
Click to collapse
People are much more likely to answer questions when they're posted in the correct section. You also tend to get questions answered if you join IRC and ask things, but don't expect to get everything handed to you, there is likely to be some work/searching on your own part as well.
imnuts said:
People are much more likely to answer questions when they're posted in the correct section. You also tend to get questions answered if you join IRC and ask things, but don't expect to get everything handed to you, there is likely to be some work/searching on your own part as well.
Click to expand...
Click to collapse
Thank you for the answers to those first off. My apologies if i placed this in the wrong section, i thought this part was open for these types of questions.
Im sure irc is a great place to learn a great deal, however i fear asking in irc things that have been discussed many times. While searching will absolutely give you a very basic knowledge it is often repeated from those that don't fully understand it and may have it a little off. This isnt a cut at anybody as it should fall to the lower tiers to answer to the common issues that arise. However that kind of information is normally only good for solving a problem. For when there is no trouble and one wishes to know more about what they just did instead of how they did it, things fall short. Just about every member here can root, cwm flash, and odin but how many of us truly understand the process in detail. i know i dont, but i would like to. Thats what im looking for in this thread. Not how to do what we do, but whats taking place underneath.
Thanks again for the answers so far.
if this is in the wrong area and doesn't getting removed please let it fade.
imnuts said:
People are much more likely to answer questions when they're posted in the correct section. You also tend to get questions answered if you join IRC and ask things, but don't expect to get everything handed to you, there is likely to be some work/searching on your own part as well.
Click to expand...
Click to collapse
You're right about IRC being the place where questions may be answered. As far as searching, I can tell you a lot of the technical details aren't answered here.
MattRussNC said:
Thank you for the answers to those first off. My apologies if i placed this in the wrong section, i thought this part was open for these types of questions.
Click to expand...
Click to collapse
This is the proper place for questions. The problem is that many people will post their questions similar to this in the development forum, and that just gets the thread no where. And searching for technical info is difficult because usually you get flooded with useless stuff in your search.
imnuts said:
There are I think about 10-11 partitions on the internal storage. You have /system, /data, /cache, /dbdata, modem, bootloader, secondary bootloader, kernel, recovery, there is a partition dedicated for OTA updates, and another one as well, though I'm not sure what it is for. There may be more as well.
The PIT file is the partition information table, which tells Odin where each partition starts/ends.
The TAR file can contain any of a number of items for flashing, and they'll get flashed to the appropriate partitions based on their name.
factoryfs.rfs=/system
dbdata.rfs=/dbdata
cache.rfs=/cache
movinand.bin=/data
param.lfs=the .lfs partition, not sure exactly what it does
boot.bin=bootloader
sbl.bin=secondary bootloader
modem.bin=modem/radio/baseband
zImage=kernel
recovery.bin=recovery kernel
Adding a md5 sum to the tar file and renaming it to .tar.md5 allows for built in error correction.
Not sure what csc mode is, but I've never seen it used, so I'd avoid it.
Odin is a tool created by Samsung as far as I'm aware for flashing their phones. No one has the source, or knows exactly where the tool came from, so that is also likely why no one has removed the phone button, because you'd have to HEX edit the executable to remove it, and there is no telling what effects it may have, so it's better to just leave it alone.
Voodoo converts the primary partitions of the phone, /system, /data, /cache, /dbdata. It converts by backing up the data to a file, reformatting the partition, then restoring the data from the file. If it didn't backup the data, it'd just be formatting the system.
Cache is similar to a temporary storage area for files that are created and used frequently/semi-frequently. The files there aren't fully needed, but help speed up the system.
Click to expand...
Click to collapse
I was wondering some of those terms my self.
thanks for all the Great info,
One thing been bugging me lately. Most likely every one has experienced the need to either wipe the caches more then once or flash multiple times for success. How is it that wiping cache is not 100%. Why does flashing a rom more then once sometimes yield different results when done the exact same way?
i believe the phone button in odin is to flash radio/modem alone
which we unfortunately do not have (yet)
the phone button and other buttons are still there because the gsm ones, like the captivate and vibrant, are using it
jk0l said:
i believe the phone button in odin is to flash radio/modem alone
which we unfortunately do not have (yet)
the phone button and other buttons are still there because the gsm ones, like the captivate and vibrant, are using it
Click to expand...
Click to collapse
I've only flashed the modem/radio by itself in the PDA button like everything else. As far as I know, we only flash things for the Fascinate through the PDA button (except of course for the atlas v2.2 PIT file.) That includes ROMs bundled in an ODIN package, modems/radios, and recoveries.
jk0l said:
i believe the phone button in odin is to flash radio/modem alone
which we unfortunately do not have (yet)
the phone button and other buttons are still there because the gsm ones, like the captivate and vibrant, are using it
Click to expand...
Click to collapse
The phone button is for completely different devices, likely their regular, non-smartphone, devices. It is not meant for flashing anything for the Fascinate.
Could have found a better place i guess but this will do. Noticed we are still without a FAQ aside from the outdated one as well as the guide. I thought perhaps some discussion on what should be included in a FAQ was in order to fill the gap.
Simple basic guides are important and have there place, however as one can use links to more details there is no reason not to have a comprehensive guide.
Just a thought. Most of us know the basics of what root is and how to gain that access. Most of us also has no idea exactly how get root manually without following instructions either. So what i was hoping for in the next guide
Q= What is root ?
A= Super user access needed for apps that need more control over your device like titanium backup
For more information click here
Then give the full out dev definition including the details that require reading up to understand. For those that want to learn.
Q= How do i root ?
A= Flash this package in odin (and give the dl link as well as a odin guide link)
For more information click here
Have the full process laid out by what needs to be done in shell without giving the copy and paste instructions. For those that want to understand what they are doing more than just doing it.
Just thought it would be nice if our next guide could be useful to more then just beginners.

Advice for ROM flashing noob.

Hi guys,
Right so I own both Galaxy SII(personal), GT-S5830(business) and my wife has a GT-S5830. Located in the UK
Now I have been looking at the latest CyanogenMod and would like to install this ROM on my GT-S5830, as I understand this is one of the best custom ROM's available for this phone.
However every where I read advises me to first backup my /efs folder, only problem is I can't find this folder to back it up! So far I have tried EFS Pro and a few others, but they all fail or give me an empty folder.
Any help would be very much appreciated as I have been researching this since Friday and I'm pretty much ready to blow a gasket....
Dont ever try to touch ace efs partition as its dangerous. Many had hard brick their ace because of tinkering with that efs partition. Ace's efs partition is abit different from other device because it's hidden and unmounted upon booting.
Btw try LEWA rom
Sent from your phone
Dont ever try to touch ace efs partition as its dangerous. Many had hard brick their ace because of tinkering with that efs partition. Ace's efs partition is abit different from other device because it's hidden and unmounted upon booting.
Click to expand...
Click to collapse
If that's the case why is everyone telling me to back it up? I'm more interested than ever now lol, is the Ace the only one that has this partition hidden?
Everyone from where? I never came across any post here on ace forum that advice to tinker with the efs partition. And its stupid to advice to do so on ace because in order to backup it u need to mount it first and thats when disaster strike.
Sent from your phone
the_wii_nes_boy said:
If that's the case why is everyone telling me to back it up? I'm more interested than ever now lol, is the Ace the only one that has this partition hidden?
Click to expand...
Click to collapse
I thick it has something to do with IMEI coz some guys r loosing their IMEI after flushing custom Roms which results to no signal situation meaning ua phone is done 4 real coz there is no known way of recovering it 4 Our ace
I keep reading that it is wise to back up this folder before you start flashing new ROM in case you screw this folder up.
U read that on other device forum, not here on ace forum. As i said earlier, dont ever touch ace's efs partition.
But if u insist of doing so, theres a thread here somewhere guiding howto network unlock ace, and in the process also explain howto mount that particular hidden partition. May god be with u if u ever try to do it.
Sent from your phone
haha I already unlocked my business phone using that thread, didn't actually realize that was the partition it mounted.... silly me.
the_wii_nes_boy said:
haha I already unlocked my business phone using that thread, didn't actually realize that was the partition it mounted.... silly me.
Click to expand...
Click to collapse
u still have imei?
spacecaker said:
u still have imei?
Click to expand...
Click to collapse
Yes I still have imei, phone's running just fine.
fast learner....good .. learn to use the search button in the forum. it might surprise you ... and...be careful with flashing roms.
swamp ningio
zaqwankira said:
fast learner....good .. learn to use the search button in the forum. it might surprise you ... and...be careful with flashing roms.
Click to expand...
Click to collapse
Seriously!? Why do you get people trying to act like a smart ass?
Maybe you should read my OP before you make comments, I used the search button, spent two days doing research and found nothing directly relating to what I asked.
If you don't have anything constructive to say then say nothing at all.
There are a few apps in the market which can backup your efs folder.
I never tried them though.
TeamCooper Developer
I have never heard of an efs folder never in my life with so Much flashing and bootlooping
And also that we have to Back it up :S :S
May The Force Be With You
Almost bricked my phone by touching the efs folder
the_wii_nes_boy said:
Seriously!? Why do you get people trying to act like a smart ass?
Maybe you should read my OP before you make comments, I used the search button, spent two days doing research and found nothing directly relating to what I asked.
If you don't have anything constructive to say then say nothing at all.
Click to expand...
Click to collapse
ops..dont mean to. just saying not condemn u. am learning myself with posts from the devs n others. 2days? seriously? 'dont touch the efs' thats what everyone says. what im understand is u should/ always backup ur rom before flashing custom roms with cwm. its for your own safety. ..and.. backup ur sdcard before making an ext for system i make a mistake for the first time and lose all of my data in my sd including my gf pics.
jumbobombo said:
I have never heard of an efs folder never in my life with so Much flashing and bootlooping
And also that we have to Back it up :S :S
May The Force Be With You
Click to expand...
Click to collapse
Don't listen to anybody who says to leave the efs alone. I don't have your device but I STRONGLY urge you to find a way to back up that file. If you have already rooted the phone then a good file explorer should allow you to make a copy and send it to dropbox or save it to your external SD. Even mass storage and copy/paste it to your hard drive on your computer. And yes... CyanogenMod is the very best.
Good luck!
Sent from my GT-I9000 using xda premium
ever read here?
http://forum.xda-developers.com/showthread.php?t=1308546
or here
http://forum.xda-developers.com/showthread.php?p=23284078#post23284078
this?
http://forum.xda-developers.com/showthread.php?t=1034145
http://www.xda-developers.com/android/backup-and-restore-your-efs-folder-on-samsung-devices/
and there are variants of Cynogenmod7 roms including from chinese devs
Leegalaxy said:
Don't listen to anybody who says to leave the efs alone. I don't have your device but I STRONGLY urge you to find a way to back up that file. If you have already rooted the phone then a good file explorer should allow you to make a copy and send it to dropbox or save it to your external SD. Even mass storage and copy/paste it to your hard drive on your computer. And yes... CyanogenMod is the very best.
Good luck!
Sent from my GT-I9000 using xda premium
Click to expand...
Click to collapse
You Galaxy S-ers will never know what will happen if we do our efs.....we can back it up but there's no way we can restore it . So it's basically useless anyway
Herpderp Defy.
Leegalaxy said:
Don't listen to anybody who says to leave the efs alone. I don't have your device but I STRONGLY urge you to find a way to back up that file. If you have already rooted the phone then a good file explorer should allow you to make a copy and send it to dropbox or save it to your external SD. Even mass storage and copy/paste it to your hard drive on your computer. And yes... CyanogenMod is the very best.
Good luck!
Sent from my GT-I9000 using xda premium
Click to expand...
Click to collapse
Seriously?? dont give advice when u dont know what u talking about. Seems like u just live in your sgs world. Go out a little and do realize that there are thousands of other device out there other than your sgs and they all doesnt work the same way.
Sent from your phone

pretty sure I Bricked my note...

long story short, I accidentally formatted the emmc through CWM. Cannot flash anything via ODIN nor CWM nothing sticks. It only loads up into the last rom I had on there and force closes on everything. Any ideas on how to unbrick this? Based on my readings, i basically deleted the internal sd card and screwed up the partitions i believe. can a pit file fix this? any insight will be appreciated thanks!!
What if you tick repartition when you odin. Have you tried that? Or Maybe someone will know how to dump the files you need in adb...
Sent from my SGH-I717D using XDA
edit: Wrong thread.
crielstar said:
What if you tick repartition when you odin. Have you tried that? Or Maybe someone will know how to dump the files you need in adb...
Sent from my SGH-I717D using XDA
Click to expand...
Click to collapse
do not click repartition in odin
Sent from my SAMSUNG-SGH-I727 using xda premium
richscd2 said:
long story short, I accidentally formatted the emmc through CWM. Cannot flash anything via ODIN nor CWM nothing sticks. It only loads up into the last rom I had on there and force closes on everything. Any ideas on how to unbrick this? Based on my readings, i basically deleted the internal sd card and screwed up the partitions i believe. can a pit file fix this? any insight will be appreciated thanks!!
Click to expand...
Click to collapse
If you're still within the return window, you could always hard brick your phone and go exchange it. Pretend like you don't know what happened. This isnt the most honest approach but may be the easiest.

Loading TWRP backup from S3 onto cousin's S2

possible and smooth? Not moving recovery and cache.
You are only asking for trouble doing this. The devices are not the same and the file structure is also different so you could end up having flash his phone back to stock
Batcom2
zetsui said:
possible and smooth? Not moving recovery and cache.
Click to expand...
Click to collapse
It wouldn't be a good idea to do this because the system partition from the S3 would be incompatible with the S2's system partition, as well as several other partitions that are part of the backup. In addition to all kinds of problems it would cause. Overall I would recommend against doing this.
Sent from my SCH-I535 using xda premium
Is it possible? Probably can.
Will it boot? Definitely not, 90% chance of hardbricking it too.
So go ahead and pick your poison.
Thanks for the explanation
Sent from my SGH-I747 using Tapatalk 2

[Q] EFS

I would like someone to help me understand what exactly efs is.
A friend of mine will give me a rooted galaxy s2. I am currently a nexus s owner.
I know root and flashing stuff but i don't know what exactly efs is. I have heard that i need to back it up before doing anything to my phone.
How can missing efs harm my phone? Not to boot up? Does nandroid, back up efs too? How can i backup / restore it? I have also heard about an app that does that work but what if my phone doesn't boot?
Please, help me understand it.
(sorry for bad English if there are any mistakes)
Sent from my Nexus S using Tapatalk 2
Read here
http://forum.xda-developers.com/showthread.php?t=1068193. This explains what is EFS and why/how to backup it.
Sent from my digital submersible hovercraft.
NickName98 said:
I would like someone to help me understand what exactly efs is.
A friend of mine will give me a rooted galaxy s2. I am currently a nexus s owner.
I know root and flashing stuff but i don't know what exactly efs is. I have heard that i need to back it up before doing anything to my phone.
How can missing efs harm my phone? Not to boot up? Does nandroid, back up efs too? How can i backup / restore it? I have also heard about an app that does that work but what if my phone doesn't boot?
Please, help me understand it.
(sorry for bad English if there are any mistakes)
Sent from my Nexus S using Tapatalk 2
Click to expand...
Click to collapse
Well EFS is the folder on ur phones memory wher all the smartphone data like WIFI, Bluetooth Mac address and the phones IMEI no are stored.
so a mess up with the same and ur phone will not wrk normally ie to say , No wifi connection or Blutooth devices connection or even no netwrk (if IMEI no is messed up).
So its always important to Back up ur 'EFS' Folder once u root ur phone and start using Custom ROM/Kernel etc.
Also Some Custom Kernel's like Siyah, Dorimanx etc will 'Auto backup' ur 'EFS' folder if u install the same
U can also BKP using 3rd party apps from play store
So that u can utilize this backup to restore all the imp data, if ur phone gets messed up for some reason
Hope this is clear for u
Sun90 said:
Well EFS is the folder on ur phones memory wher all the smartphone data like WIFI, Bluetooth Mac address and the phones IMEI no are stored.
so a mess up with the same and ur phone will not wrk normally ie to say , No wifi connection or Blutooth devices connection or even no netwrk (if IMEI no is messed up).
So its always important to Back up ur 'EFS' Folder once u root ur phone and start using Custom ROM/Kernel etc.
Also Some Custom Kernel's like Siyah, Dorimanx etc will 'Auto backup' ur 'EFS' folder if u install the same
U can also BKP using 3rd party apps from play store
So that u can utilize this backup to restore all the imp data, if ur phone gets messed up for some reason
Hope this is clear for u
Click to expand...
Click to collapse
Thank you so much.
So, a missing efs folder can't cause bootloop, right?
Can i backup that folder by simply making a copy on my pc?
If i use a 3rd party app to backup efs and switch to another rom, i just reinstall the same app and, if there is a problem, restore the folder?
Which app do you suggest? is kTool good?
If i don't make a backup and i find a problem coming from efs, can it be fixed?
i would also like to ask something else...
on my nexus s i always boot into cwm recovery an flash whatever i want (roms, kernels...)
but i read that many people are using odin. i am not very used to this app so, is it safe to do it "my" way?
please answer my previews post, too
Somebody please help...
Don't bump the thread....you can find that answer with google or mere observation.
Check any stock ROM thread and you'll see.
Sent from the little guy
gastonw said:
Don't bump the thread....you can find that answer with google or mere observation.
Check any stock ROM thread and you'll see.
Sent from the little guy
Click to expand...
Click to collapse
Don't be a jerk. If you're not going to help him fine... But your response was unnecessary on a developers forum where we are all here to learn and spread knowledge.
As for the question, your way is fine as well.
Sent from my SPH-L900 using xda premium
Quis89 said:
Don't be a jerk. If you're not going to help him fine... But your response was unnecessary on a developers forum where we are all here to learn and spread knowledge.
As for the question, your way is fine as well.
Sent from my SPH-L900 using xda premium
Click to expand...
Click to collapse
This is q&a.
Who are you again?
Answers are a privilage, not a right.
Sent from the little guy
Quis89 said:
Don't be a jerk. If you're not going to help him fine... But your response was unnecessary on a developers forum where we are all here to learn and spread knowledge.
As for the question, your way is fine as well.
Sent from my SPH-L900 using xda premium
Click to expand...
Click to collapse
Thanks for the support. And I'm sorry if i caused problem. I am just very nervous about my future galaxy s2.
Can you please answer my post 4 questions?
Sent from my Nexus S using Tapatalk 2
You didn't cause any problems, don't worry.
Sent from the little guy
I am gonna write my questions again... Help me if you know the answers...
A missing efs folder can't cause bootloop, right?
Can i backup that folder by simply making a copy on my pc?
If i use a 3rd party app to backup efs and switch to another rom, i just reinstall the same app and, if there is a problem, restore the folder?
Which app do you suggest? is kTool good?
Sent from my Nexus S using Tapatalk 2
EFS folder can make your device unusable.
Ktool is a good app to back up EFS.
It's always good to save a backed EFS folder in your computer plus another back up saved in your device.
Sent from the little guy

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