Database Develop

[Q] Few questions

Okay so, since I'm sort of new, I wanted to ask a few questions:
1. Is it possible to root xperia x8 with manufacturing date 11w48? At least at 95% chance. I'm a bit scared of the bricking part...
2. If it is possible, what kind of "ROM" (if I understood correctly) should I get?
3. If I get hard bricked/soft bricked what's the chance my phone will be still usable.
That's about it. Please don't rage at me for "OMG USE SEARCH BUTTON" type of thing.
I have tried doing it but no results found. Just threads and posts of people updating their.. ROMs I gues? Correct me if I typed anything wrong there.
But yeah, help would be appreciated. Thanks!

Jetboard said:
Okay so, since I'm sort of new, I wanted to ask a few questions:
1. Is it possible to root xperia x8 with manufacturing date 11w48? At least at 95% chance. I'm a bit scared of the bricking part...
2. If it is possible, what kind of "ROM" (if I understood correctly) should I get?
3. If I get hard bricked/soft bricked what's the chance my phone will be still usable.
That's about it. Please don't rage at me for "OMG USE SEARCH BUTTON" type of thing.
I have tried doing it but no results found. Just threads and posts of people updating their.. ROMs I gues? Correct me if I typed anything wrong there.
But yeah, help would be appreciated. Thanks!
Click to expand...
Click to collapse
1. You can safely root your x8 regardless of when it is manufactured, you will not brick it
2. You have 11w48 so it is very risky to unlock your bootloader, i suggest you flash ROMS that is for stock
3. If you get soft bricked you can flash the stock firmware back using flashtool or SEUS, if it is a hard brick, you need to go to the nearest Service center or use a JTAG
Swyped via Tapatalk 2

Thanks a whole bunch. I thought I cannot root because of my manufacturer date. But what is a flash ROM tho?

Jetboard said:
Thanks a whole bunch. I thought I cannot root because of my manufacturer date. But what is a flash ROM tho?
Click to expand...
Click to collapse
you can root your phone. but you can't unlock bl.
when you root your phone, you cam install cwm recovery. simply dl a rom for stock kernel and go to recovery and install(flash) the rom. remember to check the instructions first.
Just because i don't doesn't mean i can't.

All what I found until today was that if I cannot unlock BL I cannot install CWM recovery.
Maybe it is related to model - mine is Sony Xperia J. Y2012.
There is no fastboot available.
Am I wrong, can I have CWM, nandroid backup etc on stock ROM as only such one I may flash ?

F308 said:
All what I found until today was that if I cannot unlock BL I cannot install CWM recovery.
Maybe it is related to model - mine is Sony Xperia J. Y2012.
There is no fastboot available.
Am I wrong, can I have CWM, nandroid backup etc on stock ROM as only such one I may flash ?
Click to expand...
Click to collapse
this is for x8. not sure how it works on J. but yeah we don't havt fastboot either. but we can install cwm even with a locked bl. again that's for se x8.
edit: my advice is go to your phone's subforum. you'll get your answers there.
Just because i don't doesn't mean i can't.

Thank you. I understand that lot of things is device dependent but thought there are non-breakable rules, like gravity,
and what is possible to do under certain circumstances was one of them.
Need walk through XDA forum once more, maybe there is a hope.

F308 said:
Thank you. I understand that lot of things is device dependent but thought there are non-breakable rules, like gravity,
and what is possible to do under certain circumstances was one of them.
Need walk through XDA forum once more, maybe there is a hope.
Click to expand...
Click to collapse
there probably are a few unbreakable rules, but not being familiar with your device i can't guarantee that it's safe or it would work.
Just because i don't doesn't mean i can't.

Despite lot of reading I still am missing knowledge.
Question is:
What is fastboot ?
I found more than one definition of it and compiled into my own.
1.
Of course fastboot.exe is Windows binary (part of flashtool pack) which does certain type of work.
This is not what we are interested in.
2.
I concluded that:
- fastboot is one of modes into what android device can wake up. Just like linux can boot in different ways or Windows into single mode.
- this feature is encoded into boot.img, it is not separate android application.
- boot.img will work only with related kernel.img. They are like love and marriage (which is like horse and carriage - Bundy's).
- Sony sometimes disables stock boot.img to boot into this mode then without replacing boot .img it is impossible.
More comments ?

Fastboot is protocol used to update the flash filesystem in Android devices from a host over USB. It allows flashing of unsigned partition images.
Just because i don't doesn't mean i can't.

Okay, I got one more last question. Is this guide http://forum.xda-developers.com/showthread.php?t=906195&nocache=1 okay to use for rooting? I'm still trying to find the LATEST safe ones =/ I wonder if this one is okay.
Um, I tried that one it didn't work. It said some stuff are missing, then it exited randomly etc.. Can someone give me a link or a short/long guide which I can use that's latest? I do have some X8 drivers in a .zip file but no idea how to install them. Thanks in advance.

Jetboard said:
Okay, I got one more last question. Is this guide http://forum.xda-developers.com/showthread.php?t=906195&nocache=1 okay to use for rooting? I'm still trying to find the LATEST safe ones =/ I wonder if this one is good.
Click to expand...
Click to collapse
I rooted mine with this
Means its safe
Sent from my X8

Having few issues with the SuperOneClick thing... It sometimes randomly exits, tells me that some stuff are missing etc. Any help? =/

[Q] Having trouble upgrading to 4.4.2 stock on Verizon

I have a Moto X Developer Edition rooted on Verizon with TWRP 2.6.3.1 and stock Android 4.4 on it. I have been trying to upgrade to 4.4.2 without doing the OTA, and without having to reflash TWRP.
So far, I have been unsuccessful.
I have tried Blur_Version.140.45.5.ghost_verizon.Verizon.en.US.zip (approximate file size 150MB) from multiple sources as all the posts I read keep saying that is what works. I have also tried a ~650MB version I found somewhere. In addition, I tried the upgrade located here: sbf.droid-developers.org/phone.php?device=0 which is called VZW_XT1060_4.4.2-KXA20.16-1.25.2_CFC_1FF.xml.zip (It's the 4.4.2 upgrade listed under Verizon US).
All of these fail. In TWRP, about 2-3 steps after it verified md5, it simply says "Failed" with no explanation as to why.
Here is my question:
How can I upgrade to 4.4.2 without a data wipe, and without having to reflash TWRP?
I have no interest in going to a ROM, I want to stay stock, and if I must, I will reflash the recovery if I have to, but I *really* don't want to.

Flash stock recovery, take the OTA, flash TWRP again.
It's so simple, so painless, so quick and it will not wipe your data.

tcrews said:
Flash stock recovery, take the OTA, flash TWRP again.
It's so simple, so painless, so quick and it will not wipe your data.
Click to expand...
Click to collapse
I was hoping to avoid that (Yep, I really am that lazy...) but that's what I was going to do tonight if I couldn't get my hands on a .zip to flash.
Ironically, I bought the Dev Edition specifically so things like this would be easy.

It is easy.....just need to do it.
I support my sister, her husband and my wife (as well as my own) who all have Moto X's. 2 seconds to flash recovery, however long it takes for the OTA to install and reboot and then 2 seconds to flash TWRP again. Heck...I'd just leave the stock recovery in place since it's not needed if you don't plan on flashing any ROMs. The OTA doesn't even remove root.

tcrews said:
It is easy.....just need to do it.
I support my sister, her husband and my wife (as well as my own) who all have Moto X's. 2 seconds to flash recovery, however long it takes for the OTA to install and reboot and then 2 seconds to flash TWRP again. Heck...I'd just leave the stock recovery in place since it's not needed if you don't plan on flashing any ROMs. The OTA doesn't even remove root.
Click to expand...
Click to collapse
Oh, that last bit is good to know! Well, I think even if it did remove root, getting it back is easy on the DE.
I think you're right though, I probably won't install TWRP again, I specifically got the Moto X because I was tired of messing around with stuff when I all I want is a rooted, stock Android experience.

So, after several hours of messing with this, and thinking the stock recovery had gotten messed up because the instructions I had for getting in to it were wrong, I finally got the OTA installing...
and it fails.
I don't know why, I haven't seen the error (I'm not looking at the phone when it fails).
So... Awesome.

Taegost said:
So, after several hours of messing with this, and thinking the stock recovery had gotten messed up because the instructions I had for getting in to it were wrong, I finally got the OTA installing...
and it fails.
I don't know why, I haven't seen the error (I'm not looking at the phone when it fails).
So... Awesome.
Click to expand...
Click to collapse
Are there files out so you can just flash 4.4.2 with mfastboot? Would be easiest.

kj2112 said:
Are there files out so you can just flash 4.4.2 with mfastboot? Would be easiest.
Click to expand...
Click to collapse
I assume so, but I haven't found any instructions specifically saying how to do that, except for the ones that tell you how to return to stock without using RSD Lite.
Unfortunately, I don't know enough about how all this stuff works to be able to figure out which bits and pieces to put together to get upgraded without wiping my data.
What really pisses me off is that I specifically bought this phone so I wouldn't have issues like this, and here I am...
BTW: The only thing the error says is "Error". That's it, nothing else.

Taegost said:
I assume so, but I haven't found any instructions specifically saying how to do that, except for the ones that tell you how to return to stock without using RSD Lite.
Unfortunately, I don't know enough about how all this stuff works to be able to figure out which bits and pieces to put together to get upgraded without wiping my data.
What really pisses me off is that I specifically bought this phone so I wouldn't have issues like this, and here I am...
BTW: The only thing the error says is "Error". That's it, nothing else.
Click to expand...
Click to collapse
This guide has a return to stock section. It will tell you how to flash the stock firmware.
http://forum.xda-developers.com/showthread.php?t=2603358
Unfortunately the moto x is not a simple phone for tinkering with, like say a nexus, even the dev edition.
It can be easier once you do fully understand everything. Just gotta know what applies to you...meaning mostly the locked versus unlocked methods for everything.
After owning an s2, a moto x and now an n5 (n7 too...but I don't tinker with it really....its a family device) I've come to the mind set that for flashers and rooters.....nothing at all beats owning a nexus. Every other device has some limitations that a nexus won't have.

kj2112 said:
This guide has a return to stock section. It will tell you how to flash the stock firmware.
http://forum.xda-developers.com/showthread.php?t=2603358
Unfortunately the moto x is not a simple phone for tinkering with, like say a nexus, even the dev edition.
It can be easier once you do fully understand everything. Just gotta know what applies to you...meaning mostly the locked versus unlocked methods for everything.
After owning an s2, a moto x and now an n5 (n7 too...but I don't tinker with it really....its a family device) I've come to the mind set that for flashers and rooters.....nothing at all beats owning a nexus. Every other device has some limitations that a nexus won't have.
Click to expand...
Click to collapse
Yeah, that's the page I was talking about when I said I found the full instructions...
I specifically bought this phone because I didn't want to mess around with it like this, I just wanted to root it so I could use Titantium Backup and be done with it... and now I'm stuck at a halfway point.... Again...
I'll probably end up just doing the full wipe and manually flash to 4.4.2 (RSD Lite doesn't see my device... yay), since I have gone from my mute button not working (with 4.2.2), to a really bad echo for whomever I'm talking to when it's on speakerphone (Even when speakerphone is muted... THAT made for a fun conference call...).

Taegost said:
Yeah, that's the page I was talking about when I said I found the full instructions...
I specifically bought this phone because I didn't want to mess around with it like this, I just wanted to root it so I could use Titantium Backup and be done with it... and now I'm stuck at a halfway point.... Again...
I'll probably end up just doing the full wipe and manually flash to 4.4.2 (RSD Lite doesn't see my device... yay), since I have gone from my mute button not working (with 4.2.2), to a really bad echo for whomever I'm talking to when it's on speakerphone (Even when speakerphone is muted... THAT made for a fun conference call...).
Click to expand...
Click to collapse
Flashing stock and rooting on an unlocked Moto x is basically the same as a nexus. It really is simple, once you are familiar with fastboot.
I guess there are toolkits that automate everything....like Samsung's Odin, and there's a few for nexus....but it really doesn't help anyone learn. And that's kinda what this hobby is all about.
But, I am sorry you're having trouble. Not sure what else to add. The guides are there, and they work. Usually. I can't think of anything to add to whats already been said.
Hope it works out for you!

kj2112 said:
Flashing stock and rooting on an unlocked Moto x is basically the same as a nexus. It really is simple, once you are familiar with fastboot.
I guess there are toolkits that automate everything....like Samsung's Odin, and there's a few for nexus....but it really doesn't help anyone learn. And that's kinda what this hobby is all about.
But, I am sorry you're having trouble. Not sure what else to add. The guides are there, and they work. Usually. I can't think of anything to add to whats already been said.
Hope it works out for you!
Click to expand...
Click to collapse
I don't think I'm articulating my issue properly. I understand how to do everything in the guides you mentioned, they're a piece of cake. That doesn't solve my problem.
My problem is that I want to get to 4.4.2 WITHOUT wiping my data, but can't do the update via OTA or flashing in recovery. RSD Lite doesn't work either.
The ONLY option I have available to me is to manually push the update with fastboot, which I can definitely do with the instructions provided... But those instructions require me to wipe my data.
I know it's possible to apply the update with fastboot without requiring me to wipe my data, but I don't know enough about the inner workings to know which steps to skip, and which need to be modified, in order to make that happen.

Taegost said:
I don't think I'm articulating my issue properly. I understand how to do everything in the guides you mentioned, they're a piece of cake. That doesn't solve my problem.
My problem is that I want to get to 4.4.2 WITHOUT wiping my data, but can't do the update via OTA or flashing in recovery. RSD Lite doesn't work either.
The ONLY option I have available to me is to manually push the update with fastboot, which I can definitely do with the instructions provided... But those instructions require me to wipe my data.
I know it's possible to apply the update with fastboot without requiring me to wipe my data, but I don't know enough about the inner workings to know which steps to skip, and which need to be modified, in order to make that happen.
Click to expand...
Click to collapse
It says right at the bottom of the return to stock section in the guide I linked too.....you can skip
Fastboot erase user data
fastboot erase cache
Though if you have any problems after, you might have to do it again and do erase those, before spending time trying to figure out what's wrong.

kj2112 said:
It says right at the bottom of the return to stock section in the guide I linked too.....you can skip
Fastboot erase user data
fastboot erase cache
Though if you have any problems after, you might have to do it again and do erase those, before spending time trying to figure out what's wrong.
Click to expand...
Click to collapse
Wow... Attention to detail -5
Sorry about that, when I looked through that article, I skimmed through and saw that the "Return to Stock" section was (almost) identical to the other instructions I was reading...But I missed that last paragraph when I looked at the link you provided, the directions I was using referenced that article but did not include that last bit...
Thank you for your patients, I feel like a dumbass now *sheepish grin*

Taegost said:
Wow... Attention to detail -5
Sorry about that, when I looked through that article, I skimmed through and saw that the "Return to Stock" section was (almost) identical to the other instructions I was reading...But I missed that last paragraph when I looked at the link you provided, the directions I was using referenced that article but did not include that last bit...
Thank you for your patients, I feel like a dumbass now *sheepish grin*
Click to expand...
Click to collapse
No worries!! .
And sorry, its userdata. My keyboard split the words up.
---------- Post added at 11:16 AM ---------- Previous post was at 11:15 AM ----------
And, you may very well have issues doing that way. But its worth a shot first. If you do have issues, then you can erase those and repeat the process.

if using fastboot/mfastboot, I would still erase cache, as it doesn't touch your data/apps/config.
Another tip, use this mfastboot -> http://mark.cdmaforums.com/X-STUFF/Mfastboot-4.4.zip
or you can use RSDlite to flash the SBF, but there is a corresponding line for "erase data"
Two helpful links that will help explain what you saw...
Taking the OTA -> http://mark.cdmaforums.com/MotoX-OTA.html
various ways to Return to stock -> http://mark.cdmaforums.com/MotoX-ReturnToStock.html

kj2112 said:
No worries!! .
And sorry, its userdata. My keyboard split the words up.
---------- Post added at 11:16 AM ---------- Previous post was at 11:15 AM ----------
And, you may very well have issues doing that way. But its worth a shot first. If you do have issues, then you can erase those and repeat the process.
Click to expand...
Click to collapse
Alrighty, well I was able to successfully flash to 4.4.2 using the Fastboot instructions. Flashed TWRP afterwards and got root right back. Now that I know, this won't be a trial in the future (fingers crossed!)
Thanks for your help and patience

How many people took the 5.1.1 and are stuck with the "locked" bootloader

If you didn't know the 5.1.1 update comes with a "locked" bootloader (G920T) that does not allow you to flash custom recoveries. I would like to know what your status is if you don't mind because I think the more people who are stuck like me the more developers will say we need to come up with a fix for flashing custom recoveries issue.

The bootloader isn't locked. Twrp just needs to be updated. Won't happen til kernel source for 5.1.1 drops

Did we really need another thread about this?
Edit: Please explain how someone "accidentally" upgraded from rooted 5.0.2 to 5.1.1

mikeyinid said:
The bootloader isn't locked. Twrp just needs to be updated. Won't happen til kernel source for 5.1.1 drops
Click to expand...
Click to collapse
That is why I put "locked" in quotes and no I am not sure of that the phone blocks any custom recovery installed and I explained in another thread how cf-auto-root is just a recovery that is why it isn't working either.

se1000 said:
Did we really need another thread about this?
Edit: Please explain how someone "accidentally" upgraded from rooted 5.0.2 to 5.1.1
Click to expand...
Click to collapse
What I mean by that is if you had no knowledge of the changes in the bootloader and the fact you can't downgrade

ethanscooter said:
Accidently* wasn't really paying while typing and what I mean by that is if you had no knowledge of the changes in the bootloader and the fact you can't downgrade
Click to expand...
Click to collapse
So what you meant is, "If you downloaded a 1.3GB file and ODIN'ed back to stock just to upgrade and ignored the big bold warning that you couldn't downgrade" OR "If you downloaded a 1.3GB file and ODIN'ed to a new version of android that there was an active thread where it was CLEAR there was no root method"
"Accidentally"

ethanscooter said:
That is why I put "locked" in quotes and no I am not sure of that the phone blocks any custom recovery installed and I explained in another thread how cf-auto-root is just a recovery that is why it isn't working either.
Click to expand...
Click to collapse
You don't have to take my word for it. But I'm telling you, the bootloader is not locked.

se1000 said:
So what you meant is, "If you downloaded a 1.3GB file and ODIN'ed back to stock just to upgrade and ignored the big bold warning that you couldn't downgrade" OR "If you downloaded a 1.3GB file and ODIN'ed to a new version of android that there was an active thread where it was CLEAR there was no root method"
"Accidentally"
Click to expand...
Click to collapse
LOL some people did it look in the Q&A section people are posting things about recovery not being seandroid enabled because of the bootloader for me I was actually in a boot loop so I just downloaded the latest version from Sammobile
OH and sorry for the last typo I thought you were correcting me

mikeyinid said:
You don't have to take my word for it. But I'm telling you, the bootloader is not locked.
Click to expand...
Click to collapse
I understand it isn't locked but what I mean is for the time being it feels like it is locked considering we can't root or install a custom recovery or downgrade.

ethanscooter said:
LOL some people did it look in the Q&A section people are posting things about recovery not being seandroid enabled because of the bootloader for me I was actually in a boot loop so I just downloaded the latest version from Sammobile
OH and sorry for the last typo I thought you were correcting me
Click to expand...
Click to collapse
Of course people did it, but don't make it seem like you clicked one button and the upgrade went through and now you're stuck. You ACTIVELY went through the upgrade process to force it through.
Plus, you don't need THREE threads on the same subject.

se1000 said:
Of course people did it, but don't make it seem like you clicked one button and the upgrade went through and now you're stuck. You ACTIVELY went through the upgrade process to force it through.
Plus, you don't need THREE threads on the same subject.
Click to expand...
Click to collapse
I didn't make the 3 threads others did I just responded to all 3. Also the whole point of that one choice in the poll is for people who were expecting a normal tmobile update and didn't get what they thought they would usually tmobile let's you downgrade and you can flash a recovery right away but this time it was different and not a ton of people knew it was going to be different maybe I should've worded it better I am sorry.

ethanscooter said:
I didn't make the 3 threads others did I just responded to all 3. Also the whole point of that one choice in the poll is for people who were expecting a normal tmobile update and didn't get what they thought they would usually tmobile let's you downgrade and you can flash a recovery right away but this time it was different and not a ton of people knew it was going to be different maybe I should've worded it better I am sorry.
Click to expand...
Click to collapse
You have 2 threads in the QA section that are on this same subject.
Look, if you want to have a rooted, custom recovery, custom kernel device, don't be the first to update. That's just how things go.

From the Moderator
Redundant Thread ......... So........
..............THREAD CLOSED...........

how to Downgrade to OOS 3.5.3 From 4.0.3

I want to downgrade from 4.0.3 to 3.5.3, i have tried downloading the whole Rom and flashing it from local storage but it doesnt work the flash stops midway, also unable to do the ADB thing, can someone please guide me. I dont want to root and install TWRP.

Why you want to downgrade?

@saarxee
what are you thinking while posting your answer? the op wants to downgrade.. so give him an advice or be quite please
b2t:
use the unbrick tool by haris (found in the guides section on xda) to downgrade to 3.5.2 or something similar.. you can upgrade afterwards to your desired Firmware

I want to downgrade because I am having an intermittent problem of the phone heating up while in the pocket, I have tried the factory reset but it doesn't help . @macdachpappe Thanks a lot for the advice ,this won't void the warranty right?

mcdachpappe said:
@saarxee
wtf are you thinking while posting your answer? the op wants to downgrade.. so give him an advice or be quite please
b2t:
use the unbrick tool by haris (found in the guides section on xda) to downgrade to 3.5.2 or something similar.. you can upgrade afterwards to your desired Firmware
Click to expand...
Click to collapse
Yikes, dont pop off on someone for the post. text can carry any cadence in the world. He could have an issue with something and this person would like more info to assist him better. You don't pop off on tech support when your computer doesnt start and they ask "What have you done with it?"

woozydevotee said:
I want to downgrade because I am having an intermittent problem of the phone heating up while in the pocket, I have tried the factory reset but it doesn't help . @macdachpappe Thanks a lot for the advice ,this won't void the warranty right?
Click to expand...
Click to collapse
even rooting doenst void the warranty if you follow the guide which i mentioned before, you are flashing the stock firmware - nothing more.
@OcazPrime
im sick of these guys here and in some other sites which are just asking "why do you want to do that" instead of giving them the help they need. his post doenst help at all because the op wants to downgrade - no matter what (at least he didnt ask for something else)

Not a bug issue dude... Follow up n it's the same for op3 n 3t.. n use stock mm recovery of 3t
https://www.softstech.net/downgrade-oneplus-3-nougat/

Help a BIG noob with Root.

So, I want to root my Xperia Z3 Compact. 6.0.1 D5803 .291.
I found few text tutorials here on this site, yet these don't help me at all, most of the words used in these threads i don't understand at all.
For example; "Backup your DRMs" And I'm Like "Backup what?,Backup how?"
If it comes to android I'm complete noob, and I don't know anything about this OS.
So I'm here hoping someone will waste their time trying to help me understand anything.
Edit: If this post has wrong flair, is in wrong sub or something is wrong with it, please point it out. Thats my first time using this site.

thtjst said:
So, I want to root my Xperia Z3 Compact. 6.0.1 D5803 .291.
I found few text tutorials here on this site, yet these don't help me at all, most of the words used in these threads i don't understand at all.
For example; "Backup your DRMs" And I'm Like "Backup what?,Backup how?"
If it comes to android I'm complete noob, and I don't know anything about this OS.
So I'm here hoping someone will waste their time trying to help me understand anything.
Edit: If this post has wrong flair, is in wrong sub or something is wrong with it, please point it out. Thats my first time using this site.
Click to expand...
Click to collapse
So first of all you asked the question in the right sub so don't worry about that.
Regarding the DRM keys,here is a brief explanation.
So the guides you saw probably say that you should unlock your bootloader,and when you unlock your bootloader you lose the said DRM keys.
When you lose the DRM keys your camera becomes a bit bad with it being very bad in low light situations and as well some of the Sony features won't work.
There is a zip you can flash to return the camera quality BUT it only works on stock ROMs.
So I would only recommend unlocking the bootloader if you are going to install something like Carbon ROM or LineageOS.
Now if you want to avoid unlocking the bootloader and just using the stock ROM there is a way to root it on a locked bootloader,you can find the method in the General subforum.
But do remember you can only install stock based ROMs on a locked bootloader,else the phone will be bricked.
I hope you understand now.

To start stay with locked bootloader and follow this tut. Do not unlock bootloader at this time...
This is about to Root and get TWRP (custom Recovery) and stay with locked bootloader...
Get familar with "Flashtool" - Everything needed is linked in below mentiond thread.
https://forum.xda-developers.com/z3-compact/general/guide-newbshow-to-291-mm-z3clocked-t3536395
If you have root go on and back up TA partition.
https://forum.xda-developers.com/crossdevice-dev/sony/universal-dirtycow-based-ta-backup-t3514236
... and most important: read, read, read and... understand... And do not do things without thinking...
We all started like this