Question How to Relock? - Samsung Galaxy Z Fold3

OEM Unlocked Galaxy has how to relock?

Go to download mode and type:
Code:
fastboot oem lock

Thank you

Related

[Q]Re-Unlock bootloader after relocked

Had anyone tried it before?
After I unlock my bootloader using the official method, it is a silly way to unlock your Arc S bootloader. You will lost your DRM key and FOTA bricked, I learned my lesson. If you want to unlock your phone Testpointer method is obviously a better way.
So I relock my bootloader again using a common method you can find online:
http://forum.xda-developers.com/show...php?p=20422618
fastboot flash -i 0x0fce getvar version
fastboot flash -i 0x0fce oem unlock 0xKEY
Error: cannot load '0x0fce' is what I got after execute these command.
I am so desperate to get my bootloader unlock again and manage to switch between locked and unlock state.
Is there something to do with preset.ta file so I can unlock my device again. If the re-lock patch involving this file.
Well! It seem to solved.
Using following command:
fastboot getvar version
fastboot oem unlock 0xKEY
Thanks you guys!

Secret fastboot commands for MediaPad M2 10

Hi guys
While trying to unlock my mediapad m2 bootloader, I encountered a couple of hidden fastboot commands (found in the stock rom image). Some look like standard things, others seem very interesting:
Code:
fastboot oem backdoor info
[INDENT]FB LockState: LOCKED
USER LockState: LOCKED[/INDENT]
fastboot oem backdoor get
[INDENT]FBLOCK**obfuscated**[/INDENT]
fastboot oem backdoor end
[INDENT]remote: fastboot stat not match[/INDENT]
fastboot oem get-bootinfo
[INDENT]locked[/INDENT]
fastboot oem check-rootinfo
[INDENT]old_stat: SAFE
now_stat: SAFE
change_time: 0000000000[/INDENT]
fastboot oem check-image
[INDENT]secure image verify success[/INDENT]
fastboot oem relock
[INDENT]remote: stat not match[/INDENT]
fastboot oem backdoor set
[INDENT]remote: data parse fail[/INDENT]
fastboot oem frp-erase
[INDENT]Haven't tried, but should remove the Factory Reset Protection (FRP)[/INDENT]
fastboot oem emmc_diag
[INDENT]cid info:
mid 17,oid 256,pnm 064G70,prv 0.0,psn 0x18b66278,
csd dump:
D02700320F5903FFFFFFFFEF864000AB00
ext_csd dump:
...
FMW FAIL! WRITE PROTECT![/INDENT]
fastboot oem emmc-dump
[INDENT]unknown status code[/INDENT]
fastboot oem get_key_version
[INDENT]huawei_key_v1[/INDENT]
fastboot oem battery_present_check
[INDENT]3984mv[/INDENT]
fastboot oem get_hwnff_ver
[INDENT]Ver2.3[/INDENT]
fastboot oem get-psid
[INDENT]SN:**YourIMEI**[/INDENT]
fastboot oem get-build-number
[INDENT]V100R001C00B000[/INDENT]
fastboot oem get-product-model
[INDENT]HUAWEI M2-A01W[/INDENT]
Some commands seem quite useful, while others are quite disturbing (why is there a backdoor?!).
Have fun with these commands... I'll update them if any of you have some updates.
Cheers
Loris
same question too

how to disable verity mode by fastboot?

this is my Z2 force,XT1789-3 4+64GB,and i replaced RAM chip ,now is 6+64GB. bootloader unlocked now.
but when I try to start the phone ,its can go into Fastboot mode only.its said Fail_through from normal boot mode.
fastboot official ROM failed,bootloader.img and GPT.bin cannot to flash.other files are flash all ok but no use to do.
I tried some methods by fastboot version26.0.0 ,but not work:
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
fastboot oem disable_dm_verity
anyone can help me ?
today ,i tried blankflash_from_7.1NDX26.183-15_17.
then Found that BL model changed from MBM3.00-nash-sprint to MBM3.00-nash-verzion.
and can't enter blankflash mode anymore.The following methods have failed:
fastboot oem blankflash
fastboot oem -edl
fastboot reboot-edl
Does anyone know how Z2F enters the blankflash mode hardware switch or point?
OLDWhite said:
today ,i tried blankflash_from_7.1NDX26.183-15_17.
then Found that BL model changed from MBM3.00-nash-sprint to MBM3.00-nash-verzion.
and can't enter blankflash mode anymore.The following methods have failed:
fastboot oem blankflash
fastboot oem -edl
fastboot reboot-edl
Does anyone know how Z2F enters the blankflash mode hardware switch or point?
Click to expand...
Click to collapse
See if the information in this thread helps you.

about fastboot

I am trying to unlock the bootloader but I get out of fastboot mode before entering my unlock, I do not have time, What can I do?the fastboot is removed very quickly. ty

How do I unlock the boodloader

I have tried running these in the fastboot:
Code:
fastboot oem unlock
fastboot flashing unlock
None of them works. The first command gives
Code:
Unable to open fastboot HAL
and the second one gives
Code:
Unrecognized command flashing unlock
.
I just want to root the phone. Overall, the phone seems great, but it is fested with nasty oem apps that I don't want to use. :crying:
ndgnuh said:
I have tried running these in the fastboot:
Code:
fastboot oem unlock
fastboot flashing unlock
None of them works. The first command gives
Code:
Unable to open fastboot HAL
and the second one gives
Code:
Unrecognized command flashing unlock
.
I just want to root the phone. Overall, the phone seems great, but it is fested with nasty oem apps that I don't want to use. :crying:
Click to expand...
Click to collapse
Are you rooted your phone?
Did you enable 'OEM unlocking' in the developer options?
You can uninstall some apps this way
https://www.google.com/amp/s/gadget...from-oppo-vivo-and-samsung-phones/amp/?espv=1

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