Hey,
i just wanted to ask you whats the safest way to safe erase the data from a phone and how i can look up afterwards if it worked.
Thanks in advance
Delete Google and Samsung accounts.
Encrypt data in settings, security (strong protection). Factory reset from settings.
Afterwards clear the system cache on the boot menu.
Pretty sure there will not be anything readable after that.
sadly i cant find the encryption in the settings. could it be that samsung already enable it as default?
On Pie... on 2nd page of security settings
on my end it looks like this
Which OS version?
Mine is a N10+ running on Pie.
There should be a second page... or it's in another settings option like memory.
Try doing a search in settings for "encryption".
The phone is running android 11.
The search for "Encryption" is not showing anything.
Thanks for replies!
You'll need to do some research.
It may be encrypted by default.
Samsung tells us just how secure the Galaxy S20 processor is
In addition to having Samsung Knox, the secure processor on the Galaxy S20 provides protection against hardware-level attacks.
www.phonearena.com
Related
Galaxy Device Encryption application.
I downloaded yesterday and encryted the galaxy s2. I really admired the encryption process.
The problem is that, when I decrypted it, the phone rebooted and all my applications are gone. It was as if the phone has been hard reset. I still see that my system storage still has the applications as the size has not changed. However I cannot install any new application and I really need your help. I have done all that I know as a computer engineer.
I need your help and I know you can help me. Thank you for your antiscipated favour.
Personally don't know. Have you checked with the application developer?
Should done a full backup before such a risky maneuver.
This is a problem with most of the new ICS roms out now
Both my AT&T S2 and my Kindle Fire are both hanging on the encryption provision (needed for Outlook). We think it may be due to all the apps being downloaded first before we config the phone/tablet. In some cases, there isn't much room left. So I am trying that now..
Any help here would be great.. I get just the Droid, no output of progress.
fromnana said:
Galaxy Device Encryption application.
I downloaded yesterday and encryted the galaxy s2. I really admired the encryption process.
The problem is that, when I decrypted it, the phone rebooted and all my applications are gone. It was as if the phone has been hard reset. I still see that my system storage still has the applications as the size has not changed. However I cannot install any new application and I really need your help. I have done all that I know as a computer engineer.
I need your help and I know you can help me. Thank you for your antiscipated favour.
Click to expand...
Click to collapse
There are two things that you can try, if not tried yet...
I'm not sure this would work or not but it's worth a shot.
one is that you can use a root file browser ( like Root Explorer or anything ), browse the data partition and if you find applications in the app directory copy it (if not all then at least data/app and data/data directories) to some external card then do a data wipe and copy these back...
another way could be that you try out the Titanium backup app and see if it is able to list out your apps...if it does then back them up and do a data wipe and restore that backup.
And you might also consider using some third party launcher......it might also list out all your apps and if it does .....then just clear the data/cache for TWlauncher and then you might see your apps again...
Hi, I recently bought a used Sprint Tab 3. It's a data sim card version but I only plan to use it for wifi. Previous owner did a factory reset. Everything works fine, I rooted it to get rid of bloatware, no sim notifications, sprint crap etc. However, when I go to settings -> about device -> status, it shows a user name, eg. "[email protected]" plus a phone number, MIN, PRL, etc. Tablet shows as connected to 3G network even though there's no sim card. If I enable airplane mode and reboot, all the fields show up as unknown and mobile network as disconnected, however the username remains.
I believe that info is from the previous owner, but where is it stored? I'm guessing the tab is getting it from the network even though there is no sim card in it to authenticate it which doesn't make sense. Removing all Sprint related stuff does nothing. I tried wiping the whole tablet and flashing a beta CarbonRom that was in the forums and the info still shows up in the about device status. I flashed back to stock rooted. Only difference is that android 4.2.2 has the username option while kit kat doesn't. Since I had made a complete backup of the tablet, I wiped the efs partition just for the heck of it and rebooted. Interestingly enough it removed the Sprint boot animations and replaced them with stock Samsung ones. Folder was recreated by android. Everything else is still the same. I was expecting the tab not to connect to anything anymore but I guess not. For all the doom and gloom that is said about wiping the efs partition, I was a bit surprised that it didn't absolutely nothing. There wasn't even a nv_data.bin file in it (although my S3 is also missing this file for some reason too.)
Any suggestions? I was thinking about trying to contact the person that sold it me, maybe he hasn't taken the tab off his account yet or something. If anything I can just keep airplane mode on with wifi enabled, still wondering how the tab is getting that info. I'd rather not have anything of the previous owner on it.
I want to use Android Device Encryption (Settings --> General --> Security). My questions are:
1). Is there any issue if my device is rooted and KNOX is disabled (it's still 0x0)
2). If anything to my device and I need to Odin, I assume encryption will NOT prevent me doing so?
3). Bonus question: is there anyway to use PIN when the device is encrypted? I only see "Password" and the rest is greyed out. I don't want to use 6 characters alphanumeric password everytime I want to use my device.
1) Yes, if you're rooted with a 100% stock ROM and recovery, you CAN encrypt.
2) Sort of. It might mess up the encryption. Mine got confused thinking it was still encrypted, but couldn't mount the partition after Odin ran. To fix it, boot to STOCK recovery using the hardware keys (vol+/home/power), and do a factory reset from in there. Note that CWM/TWRP etc will NOT work to fix this issue. It's something to do with the changes Samsung made to the encryption code.
3) Nope. Password only. In theory, it might be possible to do an Xposed module, but I didn't find a good place to hook in to the process. If they would separate the encryption password from the device lock code, this would be easy. I ended up using the No Lock Home Xposed module, which lets you switch to swipe screen lock when you are connected to particular wifi/cell/BT devices.
I'm actually running without encryption now. It makes custom ROMs difficult. I believe if I were running an AOSP derived ROM it would be fine, but using modded stock stuff causes issues. Make sure you do backups to SD or a computer. If something goes wrong with the encryption there is no way to recover without a full wipe, which kills everything on the internal storage, including /sdcard. The external SD card is not affected, unless you encrypted that as well. I like the extra security, but the implementation sucks and is buggy.
Hi. I plan on buying the 2017 A5, and I want a fully encrypted device. So there’s a question.
Will the CPU (with only A53 Cortexes) be enough for an acceptable experience with full device encryption? And if it is, will my device be encrypted out of box? AFAIK all the devices shipped with Marshmallow are required to be encrypted, unless the performance isn’t enough for on-the-fly seamless encryption. Is that the case here?
Data partition is encrypted by Stock out of the box.
Encryptioj
bassbounce said:
Data partition is encrypted by Stock out of the box.
Click to expand...
Click to collapse
So are you saying the phone is already encrypted? I have got my hands on A5 2017 and could not find device encryption option. The only option in device security is to encrypt SD Card
Alimobile2015 said:
So are you saying the phone is already encrypted? I have got my hands on A5 2017 and could not find device encryption option. The only option in device security is to encrypt SD Card
Click to expand...
Click to collapse
My guess that the phones that come encrypted out of box don't have that option because there's no use for it. That make them lack confirmation though.
Agent_B-7 said:
My guess that the phones that come encrypted out of box don't have that option because there's no use for it. That make them lack confirmation though.
Click to expand...
Click to collapse
U are right, stock is encrypted by default. No option to disable it only with a custom recovery and a boot patch
HI
suddenly this afternoon, I don't know why, WhaptApp started to crashe every time I launch it. I tried to delete data, uninstall and install it again, but whatsapp still crash at start up. It is impossible to use it. I got this error message :
android.database.sqlite.SQLiteCantOpenDatabaseException: Cannot open database '/data/user/0/com.whatsapp/databases/sync.db': Directory /data/user/0/com.whatsapp/databases doesn't exist
Of course, even with adb, under Android 12, it is impossible to create the directory under /data because of permission denied.
Do you have any idea ?
Thank you for your help.
Get that trashware off the device! Use browser login only if you must use it.
It is a high security risk.
I had already thought of this solution, but I need the app to log in....
raph_quiroule said:
I had already thought of this solution, but I need the app to log in....
Click to expand...
Click to collapse
I would ditch it then. It's a multiple vector security risk. I don't use it.
If you insist on using it... what events lead up to the crash? Was it or anything updated? Any apps installed or uninstalled? Any downloads done?
Delete all it's data then ininstall it and see what you got. Clear the system cache. Download the latest version from a trusted source only. Scan with online Virustotal (scan what's loaded now too). Install. If it still pukes on you there's no guarantee a factory reset will solve this.
Malware is also a possibility. At some point a factory reset is in order especially if there's other odd behaviors or system issues. If it's a virus or rootkit a factory reset would purge it on Android 9 or higher.
If you think there's a possibility of malware, factory reset. Change account passwords then. Limit the damage by acting promptly. I give myself 2 hours to erraticate malware, then it gets nuked if not completely resolved. You wouldn't be the first to get tagged with malware through WhatsApp. Especially dangerous is doing -any- downloads from there including jpegs and pngs.
Thank you very much for your help. Despite I use alternatives like Signal, I still need WhatsApp to stay in touch whith some groups. I already tried to delete data and cache of WhatApp without success. I removed the app and installed it again but problem remains.
The log said :
Directory /data/user/0/com.whatsapp/databases doesn't exist
so I would like to create it manually, but it seems that it is impossible because of security of Android 12. I can't access to /data.
raph_quiroule said:
Thank you very much for your help. Despite I use alternatives like Signal, I still need WhatsApp to stay in touch whith some groups. I already tried to delete data and cache of WhatApp without success. I removed the app and installed it again but problem remains.
The log said :
Directory /data/user/0/com.whatsapp/databases doesn't exist
so I would like to create it manually, but it seems that it is impossible because of security of Android 12. I can't access to /data.
Click to expand...
Click to collapse
I don't know. That's a curious problem. 12 is a terror as far as I'm concerned. That's one reason I still run N10+'s on 9 and 10. Maybe use adb or ladb to edit it?
Double check all the permissions. Are any packages disabled on the phone? A small system app that's been disabled can cause all kinds of mischief.
Something, be it WhatsApp, an update, malware, a single event upset, etc screwed up the user partition data it sounds like. There's no guarantee a factory reset will fix it and even if it does it could reoccur if you don't find the root cause.
Play with it and keep doing Google searches, eventually you'll track it down. Might take a while.
Once again, thank you for your help. In fact, I've just found a workaround by installing the app in the "Work profile" of the phone. So I guess that factory reset will solve the problem. I also succeed in using an app that use web whatapp interface from F-Droid.
Independently with this story, the fingerprint sensor of the phone stopped working few weeks ago. So i'am preparing a Samsung Galays S9 under /e/OS. I'm going to switch on it to perform a factory reset of the xiaomi and send it for reparation because it is still under guarantee.
If the S9 and /e/OS do the job, I will sell the Xiaomi.