Things to know when opening Bootloader on Android

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Bootloader is the program that boots the system and the operating system has been programmed and pre-installed in ROM. It allows device manufacturers to decide which features users can use or restrict by Unlock Bootloader tool are on the market.

By default, device manufacturers often lock the bootloader (Lock Bootloader) with the intention of not wanting the end user to arbitrarily interfere deeply in the operating system such as modifying system files, adding or removing features or removing applications. default application that comes with the operating system on the device. Another purpose of locking the bootloader is to prevent users from loading non-genuine versions of the operating system (also known as Customized OS) to avoid possible errors such as software conflicts or even complete damage. device (aka Brick). So what to do when you need to open the Bootloader?

Some manufacturers of Android devices such as HTC, Sony, and Motorola have provided users with a way to unlock the bootloader so that users can load customized versions of the operating system (Custom ROM) on their devices to satisfy their needs. satisfy the needs of those who are tech-savvy. And here are the questions to keep in mind and guide each model in opening the bootloader; If you are using HTC, you can refer to how Unlock Bootloader HTC that we have done before.

1. Unlocking Bootloader will void the warranty?

Although providing users with a method to unlock the bootloader, the manufacturer also warns that once a customer unlocks the bootloader, it will void the device’s warranty and the company will not be responsible for damage. due to user intervention in bootloader.

2. Unlocking Bootloader will affect the copyrighted application that comes with the device?

https://TechtipsNReview.com/mo-botloader-tren-android-cho-samsung-htc-sony-nexus-4079n.aspx
For Sony models, when you perform the bootloader unlock to experience the Rom Cook versions, the custom Kernel may run the risk of losing Sony’s copyrighted applications that will not work as they were originally, even if the user perform a relock bootloader (lock the bootloader back). Therefore, before performing bootloader unlock, you need to backup the TA partition on the device.

Note: TA Partition = Trim Area Paritition, this is a very important partition containing the DRM Key, a unique code of each Xperia phone whereby Sony’s proprietary technologies can work (Bravia Engine, Download Music Info… Unlocking the bootloader will permanently lose the DRM Key, so please be careful when opening your Android Bootloader.

3. After Unlocking Bootloader, is it possible to update via OTA?

After Unlocking Bootloader, you will not be able to update the company’s updates via OTA (directly on the phone via 3G or Wifi) or on the computer with the company’s software. There will be a possibility that your device will be bricked (hang or crash).

4. How to Unlock Bootloader for the device?

Each manufacturer comes with different ways to unlock the bootloader, so there is no universal method for all models. On its website, TechtipsNReview.com has compiled its own applications and methods with each device; Motorola Moto E users can refer to how Unlock Bootloader Motorola Moto E that we made in the previous section. Above, TechtipsNReview.com has given some information to know when opening Bootloader of android devices such as Samsung, HTC, LG, Oppo… Thank you for reading the article!