How to Relock Bootloader after flashing Custom Rom? - Samsung Galaxy A3, A5, A7 (2017) Questions & Answe

Hi! Is there any way to relock the Bootloader after installing Recovery and flashing a Custom Rom on an A5 2017?
Thank you. Andro

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Bootloader unlocked?

Hi Forum,
I am wondering if the bootloader is unlocked in the Samsung Galaxy S4 Mini ? I got it from a carrier. I want to install custom ROMS, but I heard that rooting doesn't let you install custom ROM's...that the thing that gets you to install custom ROMS is an unlocked bootloader. So does anybody know if it is unlocked ? And if the bootloader is locked, anybody know how to unlock it ? Any help would be greatly appreciated!
The bootloader is not locked.
Just flash the custom recovery (http://forum.xda-developers.com/showthread.php?t=2364980). Then you can flash any custom ROM in recovery.
Read all about triping KNOX, and if it's OK for you, go ahead.

Back to Stock... Help me!

Hi guys, currently i' m running on Cm13 but i would go back to stock or flash a stock based rom...
I have root, unlocked bootloader and S-On.
If i try to flash other custom roms my phone stuck in bootloader mode...
Help me please!
Galli97 said:
Hi guys, currently i' m running on Cm13 but i would go back to stock or flash a stock based rom...
I have root, unlocked bootloader and S-On.
If i try to flash other custom roms my phone stuck in bootloader mode...
Help me please!
Click to expand...
Click to collapse
what roms are you trying to flash what is your firmware no and what is the software no you are trying to install

Flash custom Rom without root

Hey I'm looking to flash a custom Rom because I'm not a fan of Asus skin... From my research I don't need to root the phone, is that correct?
I only need to unlock bootloader and flash twrp.
ofc you can ..if you have a custom recovery

Unlock Bootloader

Is there any way to unlock k012 bootloader? I want to install recovery twrp/cwm or a custom rom may be. Thanks

How to go back to OOS pie from custom rom with twrp recovery and unlocked bootloader?

Now that OOS Pie is officially out ffor OP3, can anyone please guide me with how install it if I'm running a custom rom with twrp recovery and unlocked bootloader
My phone is also rooted

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