[Q] Nand backup restore from one XZ to another? - Xperia Z Q&A, Help & Troubleshooting

Hi All,
I'm about to change my Z to another.
Is it possible to restore an "old" nand backup to this new phone without any issue?
Thanks a lot

If the backup taken is of the same version of jelly bean and also the firmware,only then it can be restored without any probs..the other cases,well..I dunno about them..Cheers
Hit thanks if I helped u in any way.Sent from my Killer Xperia Z(C6602) using xda premium.

GeoSpaceKing said:
If the backup taken is of the same version of jelly bean and also the firmware,only then it can be restored without any probs..the other cases,well..I dunno about them..Cheers
Hit thanks if I helped u in any way.Sent from my Killer Xperia Z(C6602) using xda premium.
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Why would Android version and ROM matter? I would be more worried about possibly restoring unique phone data like MAC addresses or IMEI. (Neither of which should happen on the Z anyway)

The imei and Mac addresses are unique for each device as far as I know..they don't change whatever we do..maybe we can put fake ones in their place but the original ones will still be the same..
Sent from my Killer Xperia Z(C6602) using xda premium.

GeoSpaceKing said:
The imei and Mac addresses are unique for each device as far as I know..they don't change whatever we do..maybe we can put fake ones in their place but the original ones will still be the same..
Sent from my Killer Xperia Z(C6602) using xda premium.
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Say that to a Samsung phone... Honstly I used to take that for granted as well, until I soft-bricked my old SGS3's modem by wiping a partition which contained IMEI and MAC addresses (something that, in my opinion, shouldn't be possible on a production device).

Rekoil said:
Say that to a Samsung phone... Honstly I used to take that for granted as well, until I soft-bricked my old SGS3's modem by wiping a partition which contained IMEI and MAC addresses (something that, in my opinion, shouldn't be possible on a production device).
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Woh..that is some serious mess..were u able to recover ur s3 back to life?where the hell did u delete those things from..I read somewhere that the device Mac and imei are related to the device's hardware..I'm not sure about that now cuz I read ur post lol
Sent from my Killer Xperia Z(C6602) using xda premium.

Such stuff should be in a read only memory... Or maybe this stuff is in the TA partition?
Yes they are unique to each phone. MAC is for the Ethernet (internet protocol layer) and IMEI is the phone unique identifier but don't know more about.
But if there are the same and the other isn't used, ( never) it can work. It will for internet at least.
"I know that my English isn't perfect, but I still hope it's comprehensible." Send over the cool Xperia Z

GeoSpaceKing said:
Woh..that is some serious mess..were u able to recover ur s3 back to life?where the hell did u delete those things from..I read somewhere that the device Mac and imei are related to the device's hardware..I'm not sure about that now cuz I read ur post lol
Sent from my Killer Xperia Z(C6602) using xda premium.
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You are not supposed to be able to easily delete those things, like naphets8 said, yes, the XZs TA partition is roughly what I am talking about, on the S3 this partition is called the EFS partition. I figured, hey, why not wipe the phone properly and just execute "rm -rf /" before installing CyanogenMod... turns out that's a bad idea on a Samsung device, because this special partition, which shouldn't even have been mounted in the first place on a production device, is actually also writeable on a rooted device...
Yeah I did eventually get it semi-back-to-life, but I didn't care at that point because I was fed up with the lack of developer support on the International S3 and ended up just selling it for a low price to a friend (didn't feel right selling it to some random on the internet, even if I could have gotten more money, as I wanted the device to be near me so I could help take care of it when it has its moments... as only I really know exactly what is going on with that particular device seeing as I constructed the workaround for the missing data).
For the record, keeping this kind of stuff (IMEI, MAC addresses, other unique calibration data) in a mounted file system is wrong. You keep it on a NAND, yes, but not the NAND that stores the operating system, and you certainly do not mount it through the kernel, you access it through other means like the way NVRAM is accessed for example. How a huge technology company like Samsung (arguably one of the biggest electronics manufacturers in the world) could get this wrong on a flagship device like the S3 I will never understand, as there are literally thousands of engineers on a project like that who should have put a stop to it.
But yeah, depending on how the recovery partition makes backups, the EFS partition could have ended up in one of them, at least if you used "adb backup" on the S3. Then transferring that backup to another S3 could have potentially been fatal depending on if it was the same model or even how it is set up.
Moral of the story: No, I cannot recommend low-level backups like those produced by CMW-like recoveries to be transferred between devices even of the same model, unless you know exactly what you are doing or at least check it up with someone who does first.

Rekoil said:
You are not supposed to be able to easily delete those things, like naphets8 said, yes, the XZs TA partition is roughly what I am talking about, on the S3 this partition is called the EFS partition. I figured, hey, why not wipe the phone properly and just execute "rm -rf /" before installing CyanogenMod... turns out that's a bad idea on a Samsung device, because this special partition, which shouldn't even have been mounted in the first place on a production device, is actually also writeable on a rooted device...
Yeah I did eventually get it semi-back-to-life, but I didn't care at that point because I was fed up with the lack of developer support on the International S3 and ended up just selling it for a low price to a friend (didn't feel right selling it to some random on the internet, even if I could have gotten more money, as I wanted the device to be near me so I could help take care of it when it has its moments... as only I really know exactly what is going on with that particular device seeing as I constructed the workaround for the missing data).
For the record, keeping this kind of stuff (IMEI, MAC addresses, other unique calibration data) in a mounted file system is wrong. You keep it on a NAND, yes, but not the NAND that stores the operating system, and you certainly do not mount it through the kernel, you access it through other means like the way NVRAM is accessed for example. How a huge technology company like Samsung (arguably one of the biggest electronics manufacturers in the world) could get this wrong on a flagship device like the S3 I will never understand, as there are literally thousands of engineers on a project like that who should have put a stop to it.
But yeah, depending on how the recovery partition makes backups, the EFS partition could have ended up in one of them, at least if you used "adb backup" on the S3. Then transferring that backup to another S3 could have potentially been fatal depending on if it was the same model or even how it is set up.
Moral of the story: No, I cannot recommend low-level backups like those produced by CMW-like recoveries to be transferred between devices even of the same model, unless you know exactly what you are doing or at least check it up with someone who does first.
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U sound like a person who really has an attachment to your tech.. Nice moral too... And about Samsung being cheeky is only maybe cuz they WANT people to meddle with the really dangerous stuff in their devices,no offence..I like Samsung products too...anyways this was really an intense detail u have given,thumbs up for that :thumbup:
Sent from my Killer Xperia Z(C6602) using xda premium.

GeoSpaceKing said:
U sound like a person who really has an attachment to your tech.. Nice moral too... And about Samsung being cheeky is only maybe cuz they WANT people to meddle with the really dangerous stuff in their devices,no offence..I like Samsung products too...anyways this was really an intense detail u have given,thumbs up for that :thumbup:
Sent from my Killer Xperia Z(C6602) using xda premium.
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There's allowing developers proper access to the device, and then there's just being reckless (which is what I consider Samsungs solution to be). Kernel, recovery, data and system (and associated partitions like lib) should be accessible by developers. But unrestricted access (as in no signature checks on what I am flashing) to device config, bootloaders, NFC and radio partitions? That is just reckless behaviour. Honestly, on the S3 there was nothing stopping me from flashing a picture of a cat to my devices bootloader... and no I don't mean a modded bootloader with a picture of a cat instead of the Samsung logo, I mean a JPG... how do you think the device would have reacted to that? I would have bricked it.
Barring obscure projects like dual-booting (which can be done in userspace or kernel anyway, even if it is easier from a modded bootloader) there is really no need to give people that kind of access, and all that happens is that some idiot goes and ruins his device when it is completely unnecessary.
ROM manager creator and CM developer @Koush said it well when speaking about S-OFF on HTC devices. While on the subject, I'd like to credit HTC for finally getting this right on the One. There, mission critical partitions are locked down (signed images can be written freely, but not unsigned), and kernel, recovery, data and system partitions are accessible to developers through the HTCdev program.

Related

wipe data/factory... later on, the os freezes and require reset

I got a note7000 offer at a bargain price; half the price of the original... the idea is that the guy is selling it as fault emmc bug. He told me that wiping the data - factory reset caused the problem.
The phone works from times to times he said, is still partially functional, thus he still asks for the price of SII for it, which he wants to replace with.
My question is:
Is the emmc bug permanent? I want to buy it cause is such a awesome screen\phone and i cant afford one from retails at full price. My plan is to downgrade from ics to gb with safe kernels and hope it wont brick with odin as unsafe as it is already.
Don't buy it. He is selling a bricked device for half the price (I wouldn't pay that for a used but fully functional right now).
And you will always get problems with it in many different situations.
Its risky for me, but also rewarding. If you'd seen this particular phone, is almost brand new. He told me it wasn't used much and that is visible on the over all aspect. And god, i love amoled screens, even if pentile is infamous.
Could you describe what you mean by being bricked? -> the phone boots and installs stuffs, but from time to times has the flaw of getting stuck -> require reset.
Its on the way
ps. I trust that if i had this stuff happen to me, coming from a samsung product, i would be able to get it fixed somehow.
Congrats: you just bought a bricked device. I guess he used the repartition workaround which reduces available capacity.
He didn't do the only real fix: replace motherboard in Samsung Service Center.
If you read here more before buying you would understand my "do not buy". Now you will learn later.
And he didn't lie to you - he told everything about the condition.
If you want to learn now while waiting for it, start to read about bricked devices here, about hg42's repartition thread etc. You might need it
Well, wish me luck. I'm gonna follow the steps from around the topics here.
I just hope i can watch movies, and pictures, and browse the mail... then he can get stuck but just a little.
I got an ace on my sleeves though. I can test it before i buy it... any advices, maybe doesn't even have the bug, how i notice
that ?
I'm gonna try these steps on the clip from rootgalaxynote:
youtube - hDtTNDVcTF4
If it doesn't work, i'm screwed cause i do not have a replace phone atm.
Following those steps will only mean that you won't brick it again... and anyway that is really outdated... When you've had enough of constant freezes then you will probably want to try a slim rom such as Slim Bean 4.2.2
I just purchased a n7000 from a guy on eBay for $350.00. It has the Ultimate rom installed in the screenshots. This means that it should be fine, right? I should receive it this week sometime. I bricked my i9100 back when the brick bug first appeared so I'm kind of worried about this.
Sent from my Nexus 4 using xda premium
Thanks for replies. I dunno what to expect. It is worrying, but probably i'll return it back cause is not worth the money if you put it this way "unusable".
He said to me to add a new sd card,,, i guess here is where he was just too honest. This confirms that there is actually a permanent damage to the hardware, especially the hefty 16 GB of memory.
My friend has the bug and he did the workaround , The phone freezes when you turn on bluetooth or wifi , And also the internal memory is low , but good luck with your's btw "restarting it from time to time" seems suspicious though
Sent from my GT-N7000 using xda app-developers app
KayKrate said:
My friend has the bug and he did the workaround , The phone freezes when you turn on bluetooth or wifi , And also the internal memory is low , but good luck with your's btw "restarting it from time to time" seems suspicious though
Sent from my GT-N7000 using xda app-developers app
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Apparently that was a slight misleading. On itself doesn't restart. I got the phone right now. Is so huge even an elephant could use it.
Only freezes when i try write something thru usb cable. The ram is smaller, only 5 gb.
neier24 said:
Apparently that was a slight misleading. On itself doesn't restart. I got the phone right now. Is so huge even an elephant could use it.
Only freezes when i try write something thru usb cable. The ram is smaller, only 5 gb.
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Really? Then it might be double-bricked and double "workarounded". Each time lossing about 3 GB...
When I close my eyes I see the grinning of this a--h-le who sold it for real money.
That sucks...
Now I want to see if is only a memory problem of the storage sd, or is as well as for the last 'bastion' of my phone, 2GB rom... cause then i can install slimbean like i've been adviced here.
neier24 said:
That sucks...
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Why? You knew from the first day about the condition and bought it nevertheless.
ThaiDai said:
Why? You knew from the first day about the condition and bought it nevertheless.
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First off, i'm in a bit of trouble right now. As you can guess, i can do something about it, cause beyond this is the morality of getting into a mess on someone's fault. Now that has to be decided, as long as is not mine.
This guy told me it is partially usable, add a card, try fix it yourself. At 190$ i expect to be better then a S1 or nexus s which might easly outmatch this phone. If is a matter of pride. Just keep it to yourself.
Either i give this guy a bad review as is a site as amazon, where user feedback is noted, or i return it back myself. Is not the holly grail, is just a phone.
He told me is not permanent damage.
LE: I got some good news and bad new:
I cannot add videos, it simply doesn't write. It doesn't freeze my phone anymore, this time i'm using samsung kies. Good news, i can write photos and songs.
I'm half way there in trusting this guy that with a sd card, the phone will work just okay in installing stuff.
On the other hand, i dunno if the internal storage is damaged; can i install jelly bean? or change the culprit kernel? or should i live with it as it is.
the seller has a no return policy. so ur actually screwed. you think the seller is a noob and that he didnt know about the fix. sometimes being too wise makes u feel and idiot in the end.
Sent from my GT-N7000 using xda app-developers app
Do you guys want to help, or keep ranting?
qazibasit learn some english.
How i change camera setting to save all its files on external microsd card?
neier24 said:
Do you guys want to help, or keep ranting?
qazibasit learn some english.
How i change camera setting to save all its files on external microsd card?
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And now you are starting to get arrogant?
Even if I do not always follow qazis messages I do understand him very well - because Oxford english isn't a prerequisite here.
Members here can't help you: Why? Because you bought a brick device even when warned about it.
ThaiDai said:
And now you are starting to get arrogant?
Even if I do not always follow qazis messages I do understand him very well - because Oxford english isn't a prerequisite here.
Members here can't help you: Why? Because you bought a brick device even when warned about it.
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How was his random ranting relevant to this topic?
So what do you think... flashing a new kernel and formating the sdcard do any good?
I may have a different term for bricking: When used in reference to consumer electronics, a "brick" describes an electronic device such as a smart phone, game console, router, or tablet computer that owing to a serious misconfiguration, corrupted firmware or a hardware problem, can no longer function. The term derives from the vaguely cuboid shape of many electronic devices (and their detachable power supplies) and the suggestion that the device can only function as a large, heavy object.
As far as i see, this device has stuff installed on it, and i can't figure how he did it.
recommend me a memory error checking app if u know, please!
Flash a safe kernel and flash a new ROM.. Try that and if all works good we´ll continue..

RM 1 EFS instead of 11 UMS. Unrecoverable brick.

I had the weirdest note with brick ever... out of 16gb only the first 300 mb and the last 1.3gb were partially usable, with freezes. I think i've flashed this device 300 times. gambling my way in. Since 8 april till now. I remember wasting 5 sundays disappointed, and an terrible amount of hours and resets. Seeing 50 flash counter often times and reseting them meant nothing to me. Today all was ended. All my suffering went to drain. This what happened. Ever heard of people who write very fast at the keyboard? well they usually do mistakes at 1% of the time. The luck failed me when instead of 11, out of combo, i removed partition 1 EFS. The ****ing most important partition on the phone. Not only... I was that dumb in efc backup, which i had (too complicated to me), i forgot to check the files and just formated the EFS altogether. Guess what, a reboot and the phone is all gone. A beautiful and quiet phone.
No download.
No recovery.
Not even the green battery charge animation.
You knew already before buying that you would get a bricked device.
And now you finished it yourself.
Sorry to say!! R.I.P Note!!! :"(
damn sorry to hear m8
Thanks for your concerns. I found a "usb jig" on the local market at 3$. That should let me go into download mode and let me do some restore.
cool share a how to
baz77 said:
cool share a how to
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OMG!
http://www.youtube.com/watch?v=5G5sHPPnins
magic thanks
Sent from my GT-N7000 using Tapatalk 2
Someone may be able to correct me but you may be unable to write to /efs with just odin or flashing a rom- this data usually doesn't write to this partition, so would not restore it.
Not saying you cannot write it, just with what?
Your efs is unique to your phone, and contains your IMEI (also visible under your batter iirc).
Check settings/about phone to see what your IMEI reads.
If /efs is lost you can restore a nandroid if you have or an /efs backup (you backed it up at some point right?)
If not JTAG (riffbox) can recreate efs. I just got a similar situation (wiped bootloader) fixed for around USD30.
Please note that if you somehow triggered teh MMC_CAP_ERASE bug in that partition (by using an unmodified ICS kernel/others released before bug was known) you are screwed
This may not matter if your network still lets you connect with unknown efs- some do
you can with a five part rom, with leaked efs.img for n7000. not sure if rom flash with pitfile comes first thought.
You will loose emei and other stuff. So youre pretty screwed if your country providers ban generic emei.
Nandroids do not include efs. No backup tools do unless its specifically for efs.
Only Samsung or cvxcvx can fix it if you can prove phone is truly yours.
Sent from my GT-N7000 using Tapatalk 2
It got fixed pretty quick. Went to a gsm and paid just 10$... only to make it boot up. I believe he lied me telling he did riff box thing... So I refused to pay more. He might have been used to the idea that people actually pay more for just a little thing as "USB jig" which costs 10 time less. He wouldn't be the first one. I think these guys feed on the idea that people believe this is either "throw" the phone or sell it for parts. They are sharks aren't they. Its a big business.
Afaik only param and efs arent recoverable... But "efs backup pro" is an app which does this for the worst case scenarious. Good luck guys.
Remember, there arent problems, only solutions. Cannot solve the problem at the very base it was created. But from a higher persperctive.
it can be. Most dont go throught the effort of fixing stuff, basic consumarism I guess.
Not entirely true Riffbox JTAG can regenerate /efs. It generates a new partition using any imei you want, but most vendors refuse to use anything besides what's on the sticker under your battery, since anything else is illegal.
Just correcting you since you implied OP had no recourse
Sent from my GT-N7000 using xda app-developers app

[Q] Sony my Xperia vs Apple Lost Mode

In apples when in lost mode, you will never unlock the device even after flashing a new firmware.
But what about in Sony? After locking it, will it unlock by flashing a ftf?
f_u_006 said:
In apples when in lost mode, you will never unlock the device even after flashing a new firmware.
But what about in Sony? After locking it, will it unlock by flashing a ftf?
Click to expand...
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most likely it will be usable again but all data will be gone.
lowrider_05 said:
most likely it will be usable again but all data will be gone.
Click to expand...
Click to collapse
I am not in such status now, I just wanna know if i lock my Z1 using my Xperia and someone who stole or found it can they unlock it by flashing a new firmware?
in iOS it doesn't!
Nothing compares to iOS's lost mode, it ties deep into the device's hardware.
No Android device has a feature that's similar to iOS 7's activation lock. Even Samsung's Note 3 "equivalent" could surely be done away with by flashing CM.
There are always ways around it. Even using hardware encryption. I guarantee you apple has an algorithm that will generate a password when needed if you call in to tech support. This will be hacked.
Sent from my C6916 using xda app-developers app
Android (MUST) add feature!
How the best Mobile OS could lack this feature?
f_u_006 said:
Android (MUST) add feature!
How the best Mobile OS could lack this feature?
Click to expand...
Click to collapse
By not being manufactured by the same company as mentioned by another member, Apple's Lost Mode ties deep into hardware which requires certain hardware support, which is not the case for Android phones since the software and hardware are by different companies.
you can use it again
Avast mobile security has functions and features like this with things in place to prevent flashing recoveries and such like, but to be fair, once your phone is stolen the only need of security software is to ensure your data is wiped. Everything else is unimportant as people will always find a way to reactivate a phone eventually, and you are very unlikely to get it back.
pandaball said:
By not being manufactured by the same company as mentioned by another member, Apple's Lost Mode ties deep into hardware which requires certain hardware support, which is not the case for Android phones since the software and hardware are by different companies.
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All of the manufacturers use the same API and OS, Android must release such an API then the manufacturers can compile them into there Firmware...
f_u_006 said:
All of the manufacturers use the same API and OS, Android must release such an API then the manufacturers can compile them into there Firmware...
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Click to collapse
Not really. API levels differ between Android versions, so different Android versions can have different sets of API available. Google could arguably incorporate such a feature into Google Play Services, but then the hardware portion is missing so even if manufacturers had such an option, the prerequisite hardware support must be present and unfortunately pretty much all Android devices to my knowledge don't have such a thing
pandaball said:
Not really. API levels differ between Android versions, so different Android versions can have different sets of API available. Google could arguably incorporate such a feature into Google Play Services, but then the hardware portion is missing so even if manufacturers had such an option, the prerequisite hardware support must be present and unfortunately pretty much all Android devices to my knowledge don't have such a thing
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I agree with you but like Apple, why should someone loss there data and phone because of a disaster?
I am sure Android may be working on it#!#?
f_u_006 said:
I agree with you but like Apple, why should someone loss there data and phone because of a disaster?
I am sure Android may be working on it#!#?
Click to expand...
Click to collapse
If an Apple user lost his/her phone, the data and phone would be gone too software based solutions cannot resist an OS wipe, and there's little Google can do about it.
pandaball said:
If an Apple user lost his/her phone, the data and phone would be gone too software based solutions cannot resist an OS wipe, and there's little Google can do about it.
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But if we had a backup in our PC or Cloud so we could restore it easily. At least you don't have to pay for a new phone.
f_u_006 said:
But if we had a backup in our PC or Cloud so we could restore it easily. At least you don't have to pay for a new phone.
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Click to collapse
Uhh? If an iPhone user lost his phone, why wouldn't he have to pay for a new phone? I don't think Apple gives people who lost their phones new ones As for backups, app backups can be done with the adb backup command on your computer. Nandroids would work on the same phone model as well, as would apps like Titanium Backup and Helium.
pandaball said:
Uhh? If an iPhone user lost his phone, why wouldn't he have to pay for a new phone? I don't think Apple gives people who lost their phones new ones As for backups, app backups can be done with the adb backup command on your computer. Nandroids would work on the same phone model as well, as would apps like Titanium Backup and Helium.
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I argue for lost phone not data!
Atleast i won't buy a new phone if lost mine in such way.
My aunt lost her IPhone and she found it after 2 days, she also synced her Pictures from the cloud and apps from the iTunes.
THAT'S IT!
Well... i feel jealous in this case cuz i hate Apple. Lol
Android must work on some security features, they can even make something better than Apple's.
f_u_006 said:
I argue for lost phone not data!
Atleast i won't buy a new phone if lost mine in such way.
My aunt lost her IPhone and she found it after 2 days, she also synced her Pictures from the cloud and apps from the iTunes.
THAT'S IT!
Well... i feel jealous in this case cuz i hate Apple. Lol
Android must work on some security features, they can even make something better than Apple's.
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Click to collapse
I don't really get you... you're saying that if a person loses his phone, he also loses his data?
While this is true for apps, some games now sync game saves to the cloud so it is accessible on other devices and for backup purposes, while for photos, you can try Dropbox or Google+, both have automatic photo and video uploading as well
pandaball said:
I don't really get you... you're saying that if a person loses his phone, he also loses his data?
While this is true for apps, some games now sync game saves to the cloud so it is accessible on other devices and for backup purposes, while for photos, you can try Dropbox or Google+, both have automatic photo and video uploading as well
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Click to collapse
If you lost your Android Phone then forgot about your Data in your phone, Unless you have a backup ( Nandroid, Cloud, Titanium.....)
There's very less chance to you if you find your phone again. So... Can you live phoneless? PROBABLY NO!
You need to buy a new phone in sucha condition.
In Apple finding your phone after losing it is easy, and your data will be never extracted.
I am an entry level dev and i can extract data from any Android phone but in Apple nobody did yet.
So i want Android (The best OS ever in mine and everyone is view) to create such feature in there upcoming version API, Source code or..... then other manufacturers can compile them into there Firmwares..
By anymean i found Apple's lost mode better than Android device manager or manufacturer's specific.
f_u_006 said:
If you lost your Android Phone then forgot about your Data in your phone, Unless you have a backup ( Nandroid, Cloud, Titanium.....)
Click to expand...
Click to collapse
True, which is why people should backup more often. Helium has a scheduled backup option
f_u_006 said:
In Apple finding your phone after losing it is easy, and your data will be never extracted.
Click to expand...
Click to collapse
Ehh? If your phone goes missing and it shows up in another country because someone stole it, I would think it isn't very easy to get it back
f_u_006 said:
I am an entry level dev and i can extract data from any Android phone
Click to expand...
Click to collapse
You can't if the person encrypted his Android phone That's another way to protect your data if you so wish.
f_u_006 said:
So i want Android (The best OS ever in mine and everyone is view) to create such feature in there upcoming version API, Source code or..... then other manufacturers can compile them into there Firmwares..
Click to expand...
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As mentioned above, the hardware support has to be present, else software based solutions can only do so much.

[Q] Storage comes up as Samsung MAG2GC am I hacked?

I have been having trouble for a long time with unusual stuff happening on my old Xperia Z2, my Acer laptop, other devices on my network, and now my new Z3 compact also and have a strong feeling my ex-partner is behind it. I went to four computer repair places, brought a new router and contacted a computer forensics company who said it would cost $3000 upwards to get to the bottom of before I pretty much lost hope of regaining my privacy. When I got my new Z3 I created new accounts (Gmail etc) with the exception of Facebook and I changed the email and password for that. When I factory reset my devices they don't seem to go back to the factory settings, this was especially evident on my laptop after having windows reinstalled the first time at a computer repair place and the second time myself from usb it still had the same desktop picture id downloaded as soon as I opened it. Factory reset my z3 earlier this evening and had been looking up USSD codes in the hope that that might succeed in properly resetting in (which it didn't) and came across this Vellamo app that assesses your device and gives you the stats and it came up saying my storage is Samsung, could this be at the bottom of it all? Help
Thought it might be helpful if I upload these too.
You might find that Sony uses Samsung storage chips in their devices.. I think most mobile manufacturers do..
I wouldn't find that too surprising to be honest and I doubt that it means you have been "hacked" as well..
Edit: Mine says the same, Samsung memory chip
Sent from my D5803 using XDA Premium HD app
Sent from my D5803 using XDA Premium HD app
Oh man I thought I'd gotten to the bottom of it (at least on my phone). But cheers that's good to know thanks for that
munieskin said:
Oh man I thought I'd gotten to the bottom of it (at least on my phone). But cheers that's good to know thanks for that
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If you're having issues with technology, try giving tomshardware.com a try. Their forums are filled with knowledgeable people that could help you if you provide enough information (then again though, any Q/A tech forum requires you to describe your problem in detail).
Cool thanks for that I'll check it out
pricey2009 said:
View attachment 3062462
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Hate to revive old threads, but I have something you might be interested in; my storage isn't the same as yours. Here are the differences:
Manufacturer: Toshiba
Name: 016GE2
Size: 15.76GB
I do wonder if there are any performance differences between the two.
Also a question; is the storage used eMMC 5.0 or is it still a 4.xx model?

What is EFS?

What is it? And for that matter, is it dangerous to mess with? I don't mess with it, but these are questions for knowledge mostly. What does it do and what is stored in there? If it got corrupted, is that fixable at all? Thanks! Might be a noob question, but I've always modded my stuff without ever touching it or even knowing what it is! I always choose to back it up with my TWRP backups an then restore the EFS with my backups.
As far as I know EFS partition contains some vital info of your phone's IMEI, serial number, radio info and other similar information. It's good to have a backup of your EFS partition all the time, because if it becomes corrupted you can quite easily render your phone useless (at least cell part of it). I learned my lesson with my old Nexus S ...
If it gets corrupted, and you don't have a backup then you lose your IMEI number and with that the ability to connect to any cellular network. So yes, back it up and keep it in a secure place.
As above.
Back it up once, forget about it. I've never seen any EFS related issues on the Nexus 5 or 6. Samsung on the other hand, every day,
EFS usually only get wiped when your doing something in the grey area... Such as *ahem* swapping IMEI's and other device identifiers to circumvent carrier/network blacklisted devices which we don't discuss on XDA, buy is common practice in the local phone shops you may find on craigslist. If you're good now and plan to stay that way, leave it alone. Backing up is a good practice when flashing ROMS, radios, system IMG., etc. You never know what may go wrong.
---------- Post added at 11:02 AM ---------- Previous post was at 10:53 AM ----------
Really, the loss of an IMEI isn't even the worst scenario. It's the authentication certificates that are almost impossible to replace on a GSM network, and on CDMA it's the AAA password and HA KEY that are unique to each device. Anyways, point being, back up--and store on external drive somewhere
Alright! Thanks guys for all your answers! So in short, if I were to lose that data and not have a backup, the device is fubar? No cellular data ever again?
Sent from my Nexus 6
No cellular anything.
Yeah, I owned mine that I broke. I was trying to get that galaxy nexus from Sprint flashed to pageplus/Verizon. No backup=no data for me. I never tried the donor thing, but I learned how to do all of it right here on XDA. @autoprime had a great thread about it back in the day. That phone is still awesome running OMNI ROM, but with a crappy camera... I like this nexus 6 only somewhat better, actually. Gnex was one of the greatest nexus devices ever, in part, I think at least, because Samsung was the manufacturer. Great model... Wish they made this nexus or the newest 6p, but I digress.
jbeezley said:
Yeah, I owned mine that I broke. I was trying to get that galaxy nexus from Sprint flashed to pageplus/Verizon. No backup=no data for me. I never tried the donor thing, but I learned how to do all of it right here on XDA. @autoprime had a great thread about it back in the day. That phone is still awesome running OMNI ROM, but with a crappy camera... I like this nexus 6 only somewhat better, actually. Gnex was one of the greatest nexus devices ever, in part, I think at least, because Samsung was the manufacturer. Great model... Wish they made this nexus or the newest 6p, but I digress.
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I never had the Galaxy Nexus, did Samsung do a good job with it? My personal preference here has to be this Motorola Nexus 6! Motorola made an impressive build in my opinion and the device is sturdy, big, and all around amazing to me! I could say that they should have taken more consideration in the speakers, they work great and provide superb sound! But that hissing crackling sound when the battery is low........ Only complaint!
This Huawei 6P on the other hand............... Hahahaha
Sent from my Nexus 6
Ok guys. Lets clearify something real fast. The reason that XDA frowns on editing the IMEI is due to the fact that it is illegal in many countries to mess with it at all.
With that being said. The EFS partition should always be backed up when you can. Samsung and other OEM have a habit of making the partition to be erasible and once erased without a backup you are hosed.
zelendel said:
Ok guys. Lets clearify something real fast. The reason that XDA frowns on editing the IMEI is due to the fact that it is illegal in many countries to mess with it at all.
With that being said. The EFS partition should always be backed up when you can. Samsung and other OEM have a habit of making the partition to be erasible and once erased without a backup you are hosed.
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What would be the best way to back it up? With TWRP or is there a more ideal solution than that? And I own this device, I'm definitely not asking about illegal stuff in here. Lol
Sent from my Nexus 6
H4X0R46 said:
What would be the best way to back it up? With TWRP or is there a more ideal solution than that? And I own this device, I'm definitely not asking about illegal stuff in here. Lol
Sent from my Nexus 6
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I was say using an ADB command to back it up to your pc.
As for owning it that really doesn't apply. Even the owner is not legally allowed to mess with the IMEI numbers.
zelendel said:
I was say using an ADB command to back it up to your pc.
As for owning it that really doesn't apply. Even the owner is not legally allowed to mess with the IMEI numbers.
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What would be the command to use? I'm not great with adb. I have used it but I'm not great with it lol
Sent from my Nexus 6
If you are most comfortable with TWRP, just use that to create the backup. Connect to your computer in MTP, find it in the TWRP folder and copy the file over to your computer.
---------- Post added at 02:52 AM ---------- Previous post was at 02:47 AM ----------
And yes, the galaxy nexus was a fantastic build that really helped to put the nexus phones on the map. First phone to use NFC, IIRC. The device performance overall was to notch, especially with custom ROMS. Had a lot of features that made it an exceptional phone for the starting price. Only true downfall of the device was a crappy camera.
H4X0R46 said:
What would be the command to use? I'm not great with adb. I have used it but I'm not great with it lol
Sent from my Nexus 6
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No worries, To be honest I am not sure of the mounting points for this device or where the efs is stored on this device. If twrp works as stated then I would just use that and copy it some where safe.
zelendel said:
No worries, To be honest I am not sure of the mounting points for this device or where the efs is stored on this device. If twrp works as stated then I would just use that and copy it some where safe.
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Thanks guys! You all are awesome! Always helpful here on XDA!
Sent from my Nexus 6

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