Get back to stock - Sony Xperia M2

Hello! I have a question! How can I get back to stock bootloader, rom and maybe lock bootloader? I have unlocked bootloader, flashed RROS oreo, twrp and others.
Greetinfs

do some research in this forum, there are lots of information about your question

Related

Can I backup bootloader?

Hey xda/nexus community,
Is it possible to make a backup of bootloader? If it is, how?
No, I am not talking about kernel (boot.img is the kernel, correct?), system, recovery, or data. Bootloader.
My Nexus 5 came with bootloader version hhz11n. The factory image from Google (4.4.4) has bootloader version hhz11k.
I have no idea how different these two are, but since hhz11n image can't be found anywhere, I want to back it up before flashing to Lollipop or Marshmallow.
My Nexus is still running 4.4.4, bootloader unlocked, rooted, with TWRP installed.
Thanks for your help!
Not answering your question, I would like to ask why you would want to backup the bootloader, while they are available for download here?
Use TWRP

Lost dev bootloader updating to PD1, any hope?

Hey everyone, in an attempt to update my baseband, I ended up losing developer bootloader status, and I'm now on stock PD1. Is there any hope for me to be able to regain root/unlocked bootloader? I tried flashing PB1, and it would flash alright, but got stuck on the Verizon logo animation.
I'm willing to try just about anything to get cyanogenmod back!
cschmittiey said:
Hey everyone, in an attempt to update my baseband, I ended up losing developer bootloader status, and I'm now on stock PD1. Is there any hope for me to be able to regain root/unlocked bootloader? I tried flashing PB1, and it would flash alright, but got stuck on the Verizon logo animation.
I'm willing to try just about anything to get cyanogenmod back!
Click to expand...
Click to collapse
I would suggest that you first need to wipe your cache and dalvik, data as well if you want best results; then flash back to stock PB1. Re-root PB1, re unlock the bootloader of PB1, and then follow the instructions here regarding upgrading to PD1 with an unlocked bootloader (it is found on the OP of the thread that tells you how to unlock your bootloader. You should end up with the rooted version of whatever rom you are after while still having an unlocked PD1 bootloader.
Perfect, thanks! I believe I tried that but it's possible I didn't do it right, so I'll try again.

[Q] Help please

Hi all,
I'm a bit confused... tried to find a clear answer, but failed...
I've got a XZ, with a bad install of frago's Nougat ROM. the point is I upgrade directly from MM to Nougat. now my camera do not work at all...
My BL is unlocked.
Now I want to install eXistenz. What step should I follow?
Do I need to downgrade to Marshmallow, re-lock my bootloader, flash stock nougat, unlock the bootloader, fash TWRP, and then eXistenz?

Relocking Bootloader WITHOUT flashing

So I have stock 5.1 on my XT1033, rooted and bootloader unlocked. I wish to un-root and relock the bootloader (for security reasons?) but without having to go through the trouble of flashing the stock firmware since I already am on stock.
Do I really need to flash the stock firmware in order to re-lock? If not, then how do I re-lock?
TIA.
the relocking of bootloader will change nothing. flash Nought Roms & try Magisk Root Manager to hide root in important applications like banking.
and go for nought rom which is way better than 5.1.

Question Flashing ROM with Lock Bootloader

Hi I’m complete newbie , earlier I experience bootloop then I saw a blog that if I wipe data using stock recovery the problem will be solve but its not. So is there a chance that I can flash stock ROM with lock bootloader? Thanks in advance if someone will answer.
Yes it's called stock rom so you can flash with locked bootloader
But if is a custom rom you can't
vip57 said:
Yes it's called stock rom so you can flash with locked bootloader
But if is a custom rom you can't
Click to expand...
Click to collapse
How can I flash stock rom with lock bootloader sir ? what tool should I use ? TIA sir
Xiaomi flash tool
You can't flash anything with locked bootloader, not even stock rom.
if your bootloader is locked you can't do anything. After you setup a phone you must turn on usb debugging for future purposes like your problem right now.

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