Unlock / Relock Bootloader - ChimeraTool features

NotificationsTurn on notifications to get up-to-date application version information!Subscribe!  No thanks

Unlock / Relock Bootloader

What is the Unlock / Relock Bootloader feature?

In the simplest terms, a bootloader is a piece of software that runs every time your phone starts up. It tells the phone what programs to load in order to make your phone run.
The bootloader starts up the Android operating system when you turn on the phone. This is a pretty important job, so it’s very important that nothing goes wrong with it. That’s why phones keep their bootloaders stored in special stable memory.

Alternatively, the bootloader can start up recovery mode. When a phone is in recovery, it can execute large pieces of code that totally rewrite the Android operating system.
The bootloader is important because it loads both of these pieces of software. Without a working bootloader, your phone is a useless brick.

Why unlocked bootloaders are important?

Some bootloaders, however, contain an extra layer of security that checks to make sure that it only loads an operating system that passes its approval process.
The exact process of checking for unauthorized software varies from phone to phone, but the effects are the same no matter what. You can’t run any operating system the manufacturer did not approve.

A locked bootloader means you can’t install your own OS. For most people, that’s fine. However, if you want to put the latest version of CyanogenMod or any other custom ROM on your phone, a locked bootloader means you can’t.

Locking the bootloader is a very serious practice with some serious implications. It can present a challenge to Android developers and enthusiasts who wish to install custom ROMs or change the phone.

Who locks?

Installing a locked bootloader is becoming less common, although it remains far too prevalent. It can vary from phone to phone and even from carrier to carrier on the same device.

Google seems to understand and respect the users’ wishes. For example The Samsung Galaxy S IV with an unlocked bootloader and stock Android was a step in the right direction.

Verizon is especially bad about releasing phones with locked bootloaders. For whatever reason, it feels the need to lock down its phones and prevent users from taking advantage of everything it can do for them.

ChimeraTool features

How does Unlock / Relock Bootloader work?

ChimeraTool can unlock, relock and lock the bootloader to the original factory state for the supported models you can see below. It is a one click operation, where you can select the lock level you would use.

By this way you can unlock your bootloader and use any custom ROM, 3th party firmwares, but if you would revert back to the factory state due to warranty purposes for example, you can Lock back the bootloader.

Unlock / Relock Bootloader - Supported models (1,384)

View all models with Unlock / Relock Bootloader feature...

Cricket Unlock / Relock Bootloader

Dream 5GDream 5GView all Cricket models with Unlock / Relock Bootloader feature...

HTC Unlock / Relock Bootloader

HTC One M7(Sprint)HTC One M7(Sprint)HTC One M8HTC One M8HTC One M7C 802w (dual sim, W-CDMA/GSM)HTC One M7C 802w (dual sim, W-CDMA/GSM)HTC One M7C 802t (dual sim, TD-SCDMA/GSM)HTC One M7C 802t (dual sim, TD-SCDMA/GSM)HTC One M9HTC One M9HTC One M7C 802d (dual sim, CDMA2000-EVDO/GSM)HTC One M7C 802d (dual sim, CDMA2000-EVDO/GSM)View all HTC models with Unlock / Relock Bootloader feature...

Huawei Unlock / Relock Bootloader

Huawei P9Huawei P9Huawei P8 liteHuawei P8 liteHuawei Ascend D2Huawei Ascend D2Huawei P9 liteHuawei P9 liteHuawei Ascend D2Huawei Ascend D2Huawei P8Huawei P8View all Huawei models with Unlock / Relock Bootloader feature...

Infinix Unlock / Relock Bootloader

Hot 30iHot 30iView all Infinix models with Unlock / Relock Bootloader feature...

LG Unlock / Relock Bootloader

LG Stylo 4LG Stylo 4LG K40SLG K40SLG Tribute DynastyLG Tribute DynastyLG K40LG K40LG X PowerLG X PowerLG K10LG K10View all LG models with Unlock / Relock Bootloader feature...

Meizu Unlock / Relock Bootloader

M5 Note (M1621)M5 Note (M1621)PRO 7 (M1792L)PRO 7 (M1792L)M8 (2018)M8 (2018)V8 ProV8 ProView all Meizu models with Unlock / Relock Bootloader feature...

Motorola Unlock / Relock Bootloader

Moto E6 PlayMoto E6 PlayMoto G8 Power LiteMoto G8 Power LiteMoto E22Moto E22Moto E22iMoto E22iMoto G22Moto G22Motorola G Power 2022Motorola G Power 2022View all Motorola models with Unlock / Relock Bootloader feature...

Lumia Unlock / Relock Bootloader

2.32.32.42.4View all Lumia models with Unlock / Relock Bootloader feature...

Oppo Unlock / Relock Bootloader

A83JSA83JSF3F3A5sA5sF11F11A1kA1kF11 ProF11 ProView all Oppo models with Unlock / Relock Bootloader feature...

Realme Unlock / Relock Bootloader

66C3C36i6iNarzo 20Narzo 20Narzo 30ANarzo 30AC25sC25sView all Realme models with Unlock / Relock Bootloader feature...

Samsung Unlock / Relock Bootloader

Samsung Galaxy A8 2018Samsung Galaxy A8 2018Samsung Galaxy A8 2018Samsung Galaxy A8 2018Samsung Galaxy S9Samsung Galaxy S9Samsung Galaxy A8 2018Samsung Galaxy A8 2018Samsung Galaxy A8+ 2018Samsung Galaxy A8+ 2018Samsung Galaxy S9Samsung Galaxy S9View all Samsung models with Unlock / Relock Bootloader feature...

Tecno Unlock / Relock Bootloader

Spark Go 2022Spark Go 2022Spark 8CSpark 8CSpark 8TSpark 8TSpark 10 ProSpark 10 ProPova NeoPova NeoView all Tecno models with Unlock / Relock Bootloader feature...

Vivo Unlock / Relock Bootloader

Vivo X6SVivo X6SVivo Y55LVivo Y55LVivo X21 (1725)Vivo X21 (1725)Vivo Y65Vivo Y65Vivo X21 (1725)Vivo X21 (1725)Vivo Y55LVivo Y55LView all Vivo models with Unlock / Relock Bootloader feature...

Xiaomi Unlock / Relock Bootloader

Xiaomi Redmi 6Xiaomi Redmi 6Xiaomi Mi 11TXiaomi Mi 11TXiaomi Redmi Note 10sXiaomi Redmi Note 10s11T (amber)11T (amber)Redmi 9CRedmi 9CPOCO C31POCO C31View all Xiaomi models with Unlock / Relock Bootloader feature...