relock bootloader

Hello Folks, To be honest i wanted to remove the ID : NA on the first boot as i wanted to run Google Pay to work as it doesn't work on Unlocked bootloader. So after a lot of research and with the help of a fellow XDA member i could lock the booloader with CTS showing as Pass I have done the...

How to relock the bootloader of redmi note 8 after the system has been modified throught twrp? I want to unlock the bootloader of my phone but I couldn't find the guide to relock it as it maybe needed in future to claim my warranty.

Hello fellow XDA enthusiasts! I have been scavaging the forums on how to relock my bootloader after flashing this custom rom and a custom TWRP recovery. Nothing worked to get me back to STOCK! (Sources)...

Team, help needed please..got this device from swappa and realized the device has an engineering mode activated. It doesnt allow me relock the bootloader and without locked bootloader, I wont be able to access few key apps I need. adb oem lock commands return with a success message but the...

Hi Guys, I making this thread/guide because there is no where else an guide how to relock the bootloader. In this example I'm having an unlocked bootloader sitting on firmware .238, what I want is to relock my bootloader is by doing an DOWNGRADE and not by an UPGRADE, yes it can be done also...

Here is the problem: I tried re-lock the bootloader with flashing the newest Pie stock firmware(reteu PPW29.116-20) after unlocking on the same firmware. But i had the message "This device has loaded a different operating system", and "Verity mode disabled" during the boot. And the worst thing...

Oneplus 5/5T bootloader included with 5.1.5 firmware allows booting self-signed recoveries and kernels. In short, you generate signing keys; sign recovery and kernel from your current custom rom (kernel could be signed on the phone); transfer recovery on your phone; apply boot signer for kernel...

NOTE : PROCEED AT YOUR OWN RISK. Guide tested successfully to flash Stock WW-15.2016.1810.334 on primary device. Also I will try to help out in case of issues. This GUIDE is useful to achieve following, Unbrick your device Flash Stock Rom Remove TWRP / flash stock recovery Lock the...

I wanted to create a guide which is as simple as rooting a OnePlus 3T. I don’t know if it will work with the OnePlus 3. I’m not responsible for anything. You’re doing it on your own risk, so only do it if you know what you will do, now! It may brick your device. This is the way it worked for...

hello folks, I was on Android 7.0 on my Moto G 4. I unlocked the bootloader, installed TWRP and flashed Android 7.1.2 and then 8.0 a week later. Had backed up the stock Android 7.0 and the 7.1.2 also before i went to 8.0. Today i restored the system back to the Stock version backup (7.0) and...

Although having an unlocked bootloader is useful in many ways like flashing firmware (factory images), installing TWRP and getting root, but it can also lead to blocked services on your device due to security reasons and hence you you might want to relock bootloader to avail those services. How...

I wanted to share my experience with working with a T-MO G4 (H81120i) that I had rooted, unlocked the bootloader, and had a custom ROM. My goal was to return it to stock so that I can turn it in(to jump). I tried: The 2014 LG Flash tool. It failed out multiple times with a "Cannot connect to...

Is there a procedure to unlock the bootloader, root, uninstall some of the T-Mobile apps and make a few changes, then unroot, and relock the bootloader? Everything I've seen so far requires re-flashing everything back to stock, I was hoping to avoid that. (Obviously, the bootloader and recovery...

So I unlocked(htcdev) and rooted(twrp) and now I wounder if I should re-lock for security? I read that the boot-loader could have an authorized os list. Since both the system and recovery are os's would a re-lock put twrp out of control? Thanks

I am trying to sell this phone. Because I dont want that somebody take this phone to service and that they discovers unlocked bootloader. Now, in locking-unlocking app it is said that I have to be on rooted v20 (4.1 android). Can I do that and with locked bootloader flash v10f that came...

I'll keep it short. I had my bootloader unlocked and I had S-OFF. I flashed a stock rom form my tmobile m7. Then I thought if I relock the bootloader and gained S-ON the red text would disappear when it booted. I'm trying to sell it. Flashed stock rom, flashed stock recovery, gained S-ON and...

I want to return to stock so I can take an OTA. I am currently running Sprint 4.3, rooted, unlocked bootloader, S-ON, software version 3.04.651.2. I have been reading up on the proper way to return to stock and just want to double check that I have the right information before i break...

Hi, I want to know if in case I want to relock my bootloader, what's the RUU for? and how can I find one for my carrier? I'm with Fido (Canada), I'm s-on, hboot 2.15, rooted and running CarbonRom. I have the stock OS backup on my pc, and I was reading the steps to go back to stock with a...

HBOOT 1.12.0000 *** Relocked *** *** Security warning *** those are my specs and i was trying to Fastboot flash zip firmware.zip when it says FAILED <remote: battery low>>. Problem is it´s need to charge past 30% and thats not happening. I tried the below method it keeps rebooting and guess...

Hello . I have an xperia tipo with unlocked bootloader, CWM recovery and Cyanogen I want to go back to stock. But i can't relock the bootloader. I read here in XDA to use the xperia S relock bootloader file , and some people succed it. the flashtool shows this error (see atachment) I tried...

this guide is for anyone having trouble unlockin bootloader. note: unlocking bootloader voids your warranty but hey you can relock your bootloader and your phone is under warranty once again note : after unlocking bootloader of Xperia e c1504/1505 c1504 goes into bootloop and in some cases...

Help! My Nexus 7 screen randomly cracked (no touch input) and I have to send it back to Asus for RMA, I have managed to use Wug's Toolkit to flash stock and unroot, but when I try to re-lock the bootloader with the tool a message pops up on the Nexus 7 screen asking me to allow the connection...

Hi, Long story short, I've lost use of the USB port on my N4 for anything other than charging. No combination of computer/port/cable will recognise it, and I've tried all sorts of ways to get it to work again. (It's the same issue this guy had...

Mine is a HTC EVO 3D rooted gsm device currently running on 3.28.720.1 firmware. I want to flash the cool ICS v14b for which I need to downgrade the firmware to 3.28.707.1. I successfully relocked the device by using the "fastboot oem lock" command. It even shows "RELOCKED". But when I reboot...

How to relock your bootloader for Xperia V... Instruction: Download: Credits:

So, first of all i think this is going to be a very usefull thread to many people. Second, i couldn't find any info about relocking and unrooting galaxy s3 anywhere... And the deal is: I have a rooted unlocked galaxy s 3 with foxhound rom and CWM. I have a full warranty on my phone, which means...

Hi Friends, Here i am explaining hoe to relock bootloader of Xperia 2011 family. First of all download two files 1. Flashtool 2. Re-lock Files Procedure Step 1 : Install the flash tool in your computer Step 2 : Extract the downloaded file and install it. copy the ".ftf" file in the...

Update: It seems that the MDPI devices which were manufactured at later times have been implemented with Sony protection, which does not allow you to unlock the boot-loader with the current version of s1Tool. You will need to use the Official Sony method and loose the DRM keys in the process...

Hi, i just recently made huge steps for unlocking and installing and flashing unlocked ROM. I still not satisfied for Unlocked ROMS cos still have bugs. So i decided to return as before, LOCKED ROMS :) But in the way of restoring what i want, many obstacles come in my way :mad: but Cleared:)...

unlocked my bootloader running official stock would like to lock it so i can upgrade and flash a rom. i saw this thread : http://forum.xda-developers.com/showthread.php?t=1675312 but the only problem is that i didnt save my original files so the question is, how can i relock my bootloader ?

Since its 24, only days away from the awaited ICS update. I am ver confused on how to revert back to stock rom/kernel and relocking bootloader. And with those problems I cannot use SEUS and PCC, so what do I need to do? Flash stock rom then kernel then relock bootloader? Then update to ICS...

Hi all, So you have unlocked the bootloader of your Xperia Pro MK16a/i and rooted it too.. You got a notification for a newer software to be available and you downloaded an over the air update, installed it, the phone says that it needs a reboot and to your surprise the phone doesn't turn on...

After i unlocked and rooted my arc s, i can't update my phone through sesu. Thus i want to ask that sony arc s bootloader can be relocked now? I found a thread but it was deleted because of posting in the wrong section. http://forum.xda-developers.com/showthread.php?t=1298846 Just one more...