[Q] Help with EFS backup - G3 Q&A, Help & Troubleshooting

I am noob when it comes to most things on this site, but I always use the tools here to root my devices. I just got an LG G3 today, it is my first non-Samsung phone in 5 years. I successfully rooted using ioroot as described here:
http://forum.xda-developers.com/showthread.php?t=2776198
Now I am looking for a proper back up and have the following questions:
1. What is EFS backup? Is it an app or just native to the phone? I've done some reading and know that it backs up the important info in my phone. Do I need it if I don't install custom ROMs? What if I just want to install G3 TweaksBox?
2. How do I use it? I followed the instructions and I get an error message saying that that drive doesn't exist. Here is what I entered into Terminal Emulator:
dd if=/dev/block/platform/msm_sdcc.1/by-name/modemst1 of=/sdcard/modemst1.img
3. Can this be used to back a backup stock image for my device, or do I need something like Nandroid or TWRP?
I know the rules and have done a lot of searching for these answers. I don't see much about EFS backup in regards to the G3 and I'm concerned I might mess something up if I use a tutorial for a different phone. Thank you in advance!

Related

[Q] NB question... rooting & restoring factory rom

Pardon my ignorance -I have found some info from the forums as per the specifics of rooting and - im considering rooting my slide (as it seems 2.2 is never going to come) and go with CyanogenMod-6.1.1. Im never rooted a device but that part doesnt sound so hard (ive used linux before, etc) but my main concern question - is there a way i can make my own ROM code - or rather read out the rom code of my phone currently (pre-root), this way - should
a) i not have a good root experience (something not working right)
or
b) 2.2 comes out - via OTA
I can "go back" to my orinal rom code?
Moreover, is there a way I can go back and restore the original rom code that i backed up pre-root? I dont even know if reading out my own code can be done or if i must rely on some factory rom code available in some "slide bible" that has alluded me. Cant seem to find any slide rom bible as of yet.
Can anyone point me in the right direction or help ease my concerns...
Also ive read about "Titanium Backup" and 'Clockwork' and 'amon-ra' -- can any of these be used to backup current rom code prior to rooting ? or perhaps just after rooting?
New Bible:
http://forum.xda-developers.com/showthread.php?t=924793
Old Bible:
http://forum.xda-developers.com/showthread.php?t=704567
Old Bible definitely has stock rom. I glossed over the new one, didn't see them immediately, but I'm sure they're there.
Titanium Backup is for Apps, Clockwork and amon-ra are different types of Recovery. Within those two(or atleast Clockwork) you can make a "Nandroid Backup" which is what what you're looking for. It will backup your ROM/settings and stuff.
When you root you're going to be flashing an Engineer version that allows you to keep root, so you should make a nandroid of that. In the Bibles you'll find a link to a pretty easy root method:
http://forum.xda-developers.com/showthread.php?t=754020
Hope this helps.
i am new to this android stuff. but i flash or install new roms all the time to play with them, and in the old bible is the factory rom, i have tested it and gone back to factory and then rerooted just to see if i could. it is all possable with the little know how i have of linux.
Sent from my T-Mobile myTouch 3G Slide using the XDA mobile application powered by Tapatalk
Can some one please help
I have been trying to root my mytouch slide for quite some time. I have read post and followed directions on countless websites and even watched a few videos.
The first method i tried was the one where i had to go into command terminal, using sdk tools, and catch my phone in adb with "loop". This never worked because adb would only detect my phone when it was booted normally but when i would boot into recovery mode nothing would come up.
The second method was the one where i had to download a few files and put them in a folder in C:\ and from that directory in command terminal i had to run "my root" along with other commands that were supposed to push all the files I needed to my phones sd card. This didn't work because when i rebooted the phone into the bootloader the "ESPRIMG.zip" wasnt detected. So , im guessing, without that flashed first i cant install any other roms or upgrades.
I dont know what else to do and i would really appreciate it if someone would be able to help me finally root my fun
Sorry if i posted in the wrong spot or something.
Lenin809 said:
I have been trying to root my mytouch slide for quite some time. I have read post and followed directions on countless websites and even watched a few videos.
The first method i tried was the one where i had to go into command terminal, using sdk tools, and catch my phone in adb with "loop". This never worked because adb would only detect my phone when it was booted normally but when i would boot into recovery mode nothing would come up.
The second method was the one where i had to download a few files and put them in a folder in C:\ and from that directory in command terminal i had to run "my root" along with other commands that were supposed to push all the files I needed to my phones sd card. This didn't work because when i rebooted the phone into the bootloader the "ESPRIMG.zip" wasnt detected. So , im guessing, without that flashed first i cant install any other roms or upgrades.
I dont know what else to do and i would really appreciate it if someone would be able to help me finally root my fun
Sorry if i posted in the wrong spot or something.
Click to expand...
Click to collapse
Those two didn't work for me especially with the ota update. Try this: http://forum.xda-developers.com/showthread.php?t=754020 or http://forums.t-mobile.com/t5/myTouch-3G-Slide/Easy-root-unroot-Froyo-for-all/td-p/649239 <<This one should have screenshots w/ each step.
ima check it out
@han-shinibi
Thanks. Ima check it out and see how it goes.
Hopefully this is exactly what i need.
Ima post my results.
Also You can backup your current rom with clockwork and restore it whenever needed.
Sent from my T-Mobile myTouch 3G Slide using XDA App
If you want 2.2 OTA Go to CR's post in the development section and it should be one of the first. You have to root before installing as it is yet unreleased and it is unsigned. You can get all of the info on rooting/unrooting you need at theunlockr.com if you do not like root(which I highly doubt). There is an unrooting tutorial on theunlocker also.
Sent from my T-Mobile myTouch 3G Slide using XDA App
iDaZzLeFatHoeZz said:
If you want 2.2 OTA Go to CR's post in the development section and it should be one of the first. You have to root before installing as it is yet unreleased and it is unsigned. You can get all of the info on rooting/unrooting you need at theunlockr.com if you do not like root(which I highly doubt). There is an unrooting tutorial on theunlocker also.
Sent from my T-Mobile myTouch 3G Slide using XDA App
Click to expand...
Click to collapse
that all sounds great but my problem is that i cant root my phone so i wouldnt be able to install that anyway
@han-shinibi
thanx again for those links
i used the second one and i got it to work.
At first i was having the same problem with the hboot not recognizing the ESPRIMG.zip but after reading alot of comments someone gave me the idea to backup my sd card and to format the sd card and try again. I backup all the zip files i had from the previous attempt and i formated the card from the phone and then connected it to my laptop on "disk drive" and formatted it from windows also(I used FAT32). I uploaded all the zip files and started the process all over again and it work this time(attempt #23). Now im happily running cm6.

[Q]Need help flashing CM12 on XM SS

After countless hours of searching over all related posts I am still confused and pretty much intimidated on the flashing aspect. From all my searching expeditions till now I managed to outline some of the points but I don't know how to move forward with them. Also I am concerned with the possibilities of getting the device unresponsive just because of my stupidity, want to gain full knowledge before going forward with the process.
So as per my findings, for installing a CFW like CM12, I require the following things,
1. Unlocked Bootloader.
The Bootloader on my XM SS can be unlocked, I did a check on that but the thing that's bugging me is the occurrence of bootloop.
Question for this point: What is the proper method to unlock the bootloader?
2. Rooted phone.
This is the step that has confused me from the beginning. Some posts mention that rooting is essential requirement to get a fully functional CFW and in some posts there is a not a single mention for the requirement of a rooted phone.
Question for this point: Is rooting essential? What is the best step by step method that you use to root your device?
3. Back up data.
I read somewhere that unlocking the bootloader erases some of the important information like the IMEI number, DRM keys and other important stuff? Also the importance of backing up data like contacts and other stuff externally.
Question for this point: How to do a proper backup? How to go on backing up contacts, whatsapp databases etc?
4. Installing a custom recovery?
Honestly I am totally confused with this topic. What does custom recovery actually do? Best custom recover for CM12?
Question for this point: How to select and install a custom recovery?
5. Adb, Fastboot drivers.
Is it essential to actually download the full adb package that google provides to develop android apps? And are fastboot drivers available for windows 8.1? Will the phone management software provided by Sony work as a driver?
Question for this point: ADB, Fastboot driver installation?
6. Flashing the CM12.
The most important step in the whole process? How to go on with this step so as to successfully flash the firmware? Restoring the backed up data?
Question for this point: Steps to properly flash the CM12?
7. Link2SD, App2SD?
Which one will you suggest and how to go on installing it?
I know that most of you will find it bothersome to answer so many questions in a single go but I intend this topic to be a guiding thread for noobs like me who are beginners that want to flash some CFW on their devices.
So all the posts that you make are really appreciated! Please link in the posts that you think will answer the questions in layman terms for everyone to understand.
Thanks for taking your time to read this thread
Have a good day! :fingers-crossed:
Can anyone please help? :crying:
1. http://forum.xda-developers.com/showthread.php?t=2484622 Follow everything he said, while using some common sense. Just to avoid you in doing so much research on some common problems I faced, :
i) If any errors occur, just close flashtool and re-open it, even if the errors continue to happen, just close and open flashtool again.
ii) You will experience bootloop and the end of the procedure, so just flash the tft http://forum.xda-developers.com/showthread.php?t=2779412
2. Just stay rooted, better safe than sorry Here's the guide: http://forum.xda-developers.com/xperia-m/general/towel-root-steps-to-root-t2789990 Understand the procedure first then continue.
3. You can export your contacts into your sim card tho, just open up the telephony app and go to contacts and open up the option or menu thingy in it (I think the icon was a 3 dot to access the options menu) and you'll see the Export/Import tab on it. You know what to do after this After root, I suggest getting the app Titanium Backup, really helpful. If possible, after the backup, move the folder to the sdcard, so it will never be lost (or to your pc, much safer).
4. Custom recovery.. well, I'm no expert but just think it this way, you're life saver when you do something wrong to your phone (and that it can still turn on, but couldn't get pass the boot animation) and provided that you had made a Nandroid backup before(a system backup). It can restore your phone back to the last time you've backuped it. This one for Stock 4.3 http://forum.xda-developers.com/xperia-m/development/recovery-philz-touch-6-41-6-xm-dual-t2795778 and this one for afteryou've installed CM12 http://forum.xda-developers.com/xpe...very-cwm-twrp-recoveries-custom-roms-t3016507
5. I'm not sure on this one, sorry:crying: ADB drivers and the fastboot drivers installed automatically for me:silly:
6. I think this video would be a bit helpful https://www.youtube.com/watch?v=DkNu0tiNro8
7. I don't know on this, I never used them. Soz :C
All the best:fingers-crossed: though my advice would be to stay Rooted for awhile before unlocking the bootloader, so you'd at least familiarize yourself with the terms that'll you'll most probably face.
The fastboot driver from google didnt work for me, use the ones from the sony bootloader unlock site. For win8.1 you need to disable signature verification to install them.
Thank you so much @AndyPhoenix9879
You are a lifesaver! I was finally able to flash CM2.1 on my Xperia M

[Q] What order for EFS Backup/Root/TWRP Backup, etc

Hello everyone! Just bought a used LG G3, coming from a Galaxy S4 and a Droid Charge, so most my rooting experience comes from a Samsung background (using Odin and such) and I'm trying to figure out the basics so I make sure I start off on the right foot. I've tried to do the necessary research before just jumping in (I've read a few stories of people losing IMEI's and such without EFS backups . . .) but I'm a little confused as to where to start. Unfortunately, this means I have a lot of questions.
1) The most important question I have is, what is the recommended order to ensure I have backups setup? I'm a bit confused because it sounds like you need TWRP before you can do an EFS backup but you need root before you can use TWRP, and it sounds like I should be doing an EFS backup before I start playing with root . . . So I'm not really sure what order to try and do this . . . heh
I have a few other basic questions if you have time (most are about recommended and personal preferences, warnings, etc) but the first question is, for me, the most important:
2) What tool do you use/recommend for flashing? I think I've read about an LG app flasher, read about doing it via command lines, and read about a program called "Flashify". Is there a recommended method or a good beginner's page that discusses basics at this level? I have experience with rooting but nothing with an LG phone specifically, unfortunately.
3) What is the recommended root method for an AT&T D850 on android 5.0.1 on software version D85020f? I was planning on trying the one click root method before trying to longer method using cmd prompt but thought I'd make sure there are no concerns or things I need to look out for before I jump in.
4) Any final thoughts/warnings about what not to do before proceeding?
Right now, I'm just doing my research so things go smoothly when I start moving forward on this (I still need to pickup a new SD card anyway). I'm going to be stuck in Bakersfield this weekend so it's a good distraction from having to hangout with the in laws . . . heh.
Thanks for your help, guys!
Heh, I know a lot of people have rooted their phone and done this stuff already . . . There's really no one willing to point me in the right direction?
I used a script to root and flashify to flash custom recovery. You need twrp to backup.
---------- Post added at 05:57 PM ---------- Previous post was at 05:55 PM ----------
Just for the record bud, no one is going to help anyone with a bad attitude. Might be worth googling or youtubing before posting a thread here Google is your best friend in situations like this
Thanks for the reply!
So, based on this, is it safe to assume I should do the following:
1) Root (try one click, otherwise, try script method you used)
2) Install TWRP
3) Backup EFS
4) Install ROMS (I assume this is where the potential for wiping the EFS on accident lies)
If this is the case, I can play around with most other things. Just wanted to make sure I wasn't going to be in danger of wiping the EFS or anything else if I do things in the wrong order.
Thanks again for the reply! I was starting to wonder if there was actually anyone reading these forums . . .
Find SRK Tool in development section. It is a command script compilation whit programms that have many options. You need to root phone to flash anything else than original firmware in .kdz or.tot formats. After that You can flash recovery like TWRP and backup everything to phone memory or use the same SRT Tool to backup all that You want stright to PC.

Device variant/ROM question

Hello,
I have an LG G3 AS990 (Ntelos). I would like to root and flash a different ROM, but am having trouble finding my variant as Ntelos is a smaller carrier. Does anyone have any advice on compatibility between any other variants? Any advice would be greatly appreciated.
Thank you
I've continued to search, but haven't found anything. Just hoping someone may have some information.
Same Boat
Snakemanc6 said:
I've continued to search, but haven't found anything. Just hoping someone may have some information.
Click to expand...
Click to collapse
I've been researching this as well. You could try finding the beta version of CM for Sprint's LS990. I would try it just for the fun of it, but I'm nervous that I don't have the stock rom for AS990 to revert back to. I have my system backed up, but I'm not comfortable enough to rely on that to save my phone if I brick it trying to install CM.
Bump. I have the same problem here, except that mine got pushed an OTA patch that prevents stump and others. So far no firmware I have found is compatible with this device to even downgrade in order to root in the first place. If anyone has succeeded with as990 NTelos please help.
Bumping the necro in hopes of support. XD my software says as99020a but the writing on the back under the cover says us990... So I'm not sure what I'm supposed to do especially since I can't even find a place to download the firmware for manual updates.. Etc. :-[ Damn ntelos
AS990 Recovery?
Has anyone found a recovery that works with the AS990?
I have an option
I've posted a way to use TWRP and ROMs for the LS990 on the LG G3 subreddit, I need 10 helpful posts before I can post it here because I have a few xda posts and downloads linked.
AS990 experience
Hi all,
I have tried different roms on my as990 (Carolina West Wireless) by using the method on reddit (HERE) and everything works just a few things to keep in mind
To get your sim to work on a custom rom you may need to change the build.prop ro.build.target_operator=, and ro.afwdata.LGfeatureset=
Take note of these settings before you try to reflash the phone. If you change one, change both if applicable.
Remember to backup your old build.prop
Backup all apns before you start using method found (HERE)
Backup build.prop
Oh and did I mention backup build.prop
The restore files can be found (HERE) and use the guide found (HERE) replacing the files mentioned with the ones in the post. If you use this method to restore you phone, the build.prop from the reddit post will not work so use the old build.prop that I'm sure by now you have backed up or you will have to get the custom .dll file elsewhere to restore.
For all who have taken the ota update, the restore method works for that too
Your carrier files are automatically restored if you use the firmware in the above post. That is to say they were for me but if anyone else test this
no guarantees but it did work flawlessly for me.
Also I am currently working on a recovery for AS990 if anyone has any ideas feel free to chime in
A couple of side notes
The method by tybskinner may also work if you flash to US990 as well, but I have not tried this yet. To do so you would need the custom .dll or the build.prop for US990
Users have reported that SIM unlock is possible by changing the the build.prop ro.build.target_operator= to global or open however I have not tried this yet
If anyone has a method to change the PRL on the device please let me know I have tried several options but no method I have tried will allow the PRL to stick
P.S. not trying to steal your thunder tybskinner just making it easier for people to find the links
Thanks for the info guys. At this point I'm having issues just trying to root the thing. Lost root with Lollipop, and for some reason I cant seem to regain it. Oh well. The price you often pay for having a smaller carrier (I actually work for nTelos, so its my work provided device).
Thanks again. I hope you guys are able to get yours setup the way you like. :good:
Snakemanc6 said:
Thanks for the info guys. At this point I'm having issues just trying to root the thing. Lost root with Lollipop, and for some reason I cant seem to regain it. Oh well. The price you often pay for having a smaller carrier (I actually work for nTelos, so its my work provided device).
Thanks again. I hope you guys are able to get yours setup the way you like. :good:
Click to expand...
Click to collapse
Currently there is no root method for the AS990 device on the newest ROM however if you follow the guide posted you can downgrade to the previous version and go from there.
Have a look here...I found a way around the whole super secure as990 crap
http://forum.xda-developers.com/lg-g3/help/how-to-as990-custom-recovery-roms-t3216133
It may seem like a bit much but it works like a champ!
HI
bobo040 said:
bump. I have the same problem here, except that mine got pushed an ota patch that prevents stump and others. So far no firmware i have found is compatible with this device to even downgrade in order to root in the first place. If anyone has succeeded with as990 ntelos please help.
Click to expand...
Click to collapse
you need to download iroot on your computer then connect your phone on the portable usb outlet make shure your phone is debbugged then open iroot it will read your phone wait wor a while and you are golden
yorimoto1987 said:
you need to download iroot on your computer then connect your phone on the portable usb outlet make shure your phone is debbugged then open iroot it will read your phone wait wor a while and you are golden
Click to expand...
Click to collapse
You can still use the method in this post to downgrade.
hi need help
thjubeck said:
Hi all,
I have tried different roms on my as990 (Carolina West Wireless) by using the method on reddit (HERE) and everything works just a few things to keep in mind
To get your sim to work on a custom rom you may need to change the build.prop ro.build.target_operator=, and ro.afwdata.LGfeatureset=
Take note of these settings before you try to reflash the phone. If you change one, change both if applicable.
Remember to backup your old build.prop
Backup all apns before you start using method found (HERE)
Backup build.prop
Oh and did I mention backup build.prop
The restore files can be found (HERE) and use the guide found (HERE) replacing the files mentioned with the ones in the post. If you use this method to restore you phone, the build.prop from the reddit post will not work so use the old build.prop that I'm sure by now you have backed up or you will have to get the custom .dll file elsewhere to restore.
For all who have taken the ota update, the restore method works for that too
Your carrier files are automatically restored if you use the firmware in the above post. That is to say they were for me but if anyone else test this
no guarantees but it did work flawlessly for me.
Also I am currently working on a recovery for AS990 if anyone has any ideas feel free to chime in
A couple of side notes
The method by tybskinner may also work if you flash to US990 as well, but I have not tried this yet. To do so you would need the custom .dll or the build.prop for US990
Users have reported that SIM unlock is possible by changing the the build.prop ro.build.target_operator= to global or open however I have not tried this yet
If anyone has a method to change the PRL on the device please let me know I have tried several options but no method I have tried will allow the PRL to stick
P.S. not trying to steal your thunder tybskinner just making it easier for people to find the links
Click to expand...
Click to collapse
Iam actually stuck in the in blue screen and a red number 2 factory status everytime i turn on my phone it says miniOS icant actually find any stock firmware for my lg g3 as990 it really does sucks doe becouse i had a lot of stuff in my phone that really needed but if you can help i will be really regretful ive been trying for a weak now
yorimoto1987 said:
Iam actually stuck in the in blue screen and a red number 2 factory status everytime i turn on my phone it says miniOS icant actually find any stock firmware for my lg g3 as990 it really does sucks doe becouse i had a lot of stuff in my phone that really needed but if you can help i will be really regretful ive been trying for a weak now
Click to expand...
Click to collapse
You need to hold the power button and press normal boot
The as990 stock rom is http://forum.xda-developers.com/lg-g3/general/lg-g3-as990-firmware-as99010a-t3183928

Help Tech-Savvy NOOB get started

I have an old Sony Xperia M C1905 that I want to root/load a custom, cut-down ROM to free up space for the Apps that seem to be growing with every update. I am a NOOB (as you say) to installing custom F/W on my phone, BUT I am tech-savvy. What I need is access to a set of instructions/tools that I can use with my phone and PC combination. I realise that this is an old phone and you are trying to help, but for me it is frustrating when all the links to tools from the threads seem to be dead or don't work. Please can someone have a read and let me know a way to do this that has a set of working tools. Thanks
My PC is a MS Windows 10 laptop – If necessary, I could resurrect an old laptop and install Linux on it, if that is a simpler approach.
I have had a look at what is available and will probably load the ROM from:
https://forum.xda-developers.com/xperia-m/orig-development/rom-slim6-marshmallow-t3418258
What I think I need to do (and have tried to start) is:
1. Root the phone.
2. Backup the current ROM.
3. Unlock the boot-loader.
4. Load the Slim6 ROM.
To do 1. I have tried two methods, the first recommended from the backup thread and a second found by searching.
i. Easy Rooting toolkit: https://forum.xda-developers.com/showthread.php?t=2292598 but the download link for DooMLoRD_Easy-Rooting-Toolkit_v17_perf-event-exploit.zip. The Download site for this tool tells me (eventually) that the file has expired or has been deleted by the owner - so i can't get this tool. Any Ideas How to get this?
ii. Also tried: https://forum.xda-developers.com/showthread.php?t=2529561 but for me, the cydia impactor tool does not see my phone or have any options. Yes, I have enabled - and allowed USB debug mode, before you ask. And yes the PC can see the phone so the connection is good.
To do 2. I am proposing to use the instructions from this thread: http://forum.xda-developers.com/showthread.php?t=2292598 Please confirm this is still valid.
iii. [Update] Also tried rooting by using this thread: https://forum.xda-developers.com/showthread.php?t=2457174 but this requires Framaroot 1.5.3, When I try and download this, the download site says: "The file link that you requested is not valid. Please contact link publisher or try to make a search."
Update 2. Managed to get a download of Framaroot, installed, but does not work for Xperia M with Android 4.3. Any idea of a way forward?
To do 3. I am proposing to use: https://forum.xda-developers.com/showthread.php?t=2484622 Please confirm this thread is still valid - and the best approach.
To do 4. https://forum.xda-developers.com/xperia-m/orig-development/rom-slim6-marshmallow-t3418258 - Please let me know if there is a more appropriate ROM to install to free up some space.
You can follow this link :
And for root, I think slim6 is pre rooted. Means in Developer options, select root for adb and apps.
What about backing up the current ROME?
Thanks for your reply, but to my understanding this just does 2. & 3. from my list. Most of the ROM installation guides say to take a backup of the current ROM so that you can restore the original system.
To do this I need to get root access with the current build. Is this now impossible?
Maybe I just need to bite the bullet and just not bother with the backup.
You should definitely take a backup.
This is because of the TA partition. As soon as you unlock the bootloader of your phone it will format the TA partition, so without the backup you won't be able to restore it which might be needed. Using a TA backup from another phone will NOT work.
So you are right about the steps, you need to root the phone, backup, unlock the boot loader and flash the new ROM. I didn't check all of the links you posted now, but if Framearoot is not working for you you might want to try out iovyroot. Also check that you downloaded the right tool to root for your Android version.
If it's still relevant and you need any additional help I'll post some instructions for you another day.
Thanks for the confirmation of the process.
Iovyroot is not a root method I have tried. I will Investigate tomorrow.
I will post back here when I have tried it.
I have tried a couple of versions of Framaroot, one recommended version for the phone, and the latest version I could find. Neither worked.
Maninfrontofpc said:
Thanks for your reply, but to my understanding this just does 2. & 3. from my list. Most of the ROM installation guides say to take a backup of the current ROM so that you can restore the original system.
To do this I need to get root access with the current build. Is this now impossible?
Maybe I just need to bite the bullet and just not bother with the backup.
Click to expand...
Click to collapse
You don't need to get root access to have a backup. Just unlock your bootloader and install cwm or twrp through fastboot and take backup with help of it. Now if you are on stock rom and you need root anyway, you can use towelroot. And then install supersu from playstore. OR flash superSU through cwm. In that case no need to install towelroot.
Is nidhoegg mistaken?
Please can you confirm that the TA partition will Be NOT be formatted when I unlock the boot loader?
Maninfrontofpc said:
Please can you confirm that the TA partition will Be NOT be formatted when I unlock the boot loader?
Click to expand...
Click to collapse
Why are you so much worried about TA partition?
My understanding is that this contains various sets of system data including: S/W signatures for the Sony Apps (if I want to restore the Sony ROM to the phone); calibration data of the various devices on the phone - accelerometer etc. So surely, even if just for the calibration data, I would not want to lose this data even if I loaded a custom ROM - I have no way of re-calibrating the devices, so would need the factory acceptance calibration values.
Am I mistaken?
TA backup for our device isn't necessary. Actually I don't know anyone from xda taking TA backup. TA backup is for newer sony devices and z series devices. In those devices, somethings like sony camera wouldn't work if you lose drm keys. It's not the case with our mobile.
Are you saying that all the threads from when this was the current phone are wrong, and I don't need to backup this partition?
TA = Trim Area; as well as holding the DRM Keys/S/W signatures, my understanding is that at contains Trim data to adjust the various sensors on the phone to read accurately. I have been led to believe that these are written during the automated Factory Acceptance Testing to adjust for small differences in the components on the phone, and are unique to the device. Surely if I lose this data the sensors will not read accurately.
Is this wrong?

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