How to Unlock OEM and Fix OEM Unlocking Greyed Out

Samuel Spenser publicerad på 20 juni 2024Lås upp Android4 min läsning

When you want to change to a custom system firmware on Android, your phone denies it. That's because the OEM in your Android phone refuses any custom firmware installation. That's why you need OEM unlock when you especially want to replace a system firmware. However, maybe you have no idea what Android OEM unlock is. Don't worry. This article offers an introduction to it, and you will learn about OEM unlock on Samsung and many other phone brands.

Part 1: What Is OEM Unlock?

OEM unlock is a feature in inställningar on your Android phone. For example, if you want to do SM G960U OEM unlock, you should go to Utvecklaralternativ i inställningar app on your Samsung phone, and then you'll see the OEM unlock option.

After Android OEM unlock, you can install any other system firmware and boot your Android phone easily. You may have never heard of system firmware or OEM unlock, but new Android phones are high-end enough to run smoothly and contain many practical features. However, if you insist on custom system firmware for a particular function, Android OEM unlock is your choice.

Part 2: How to Start Android OEM Unlock

OEM unlocking is one of the steps to unlock the bootloader on your Android. Although it's not easy to unlock the bootloader, you can easily enable OEM unlocking. To do that, a trick must be mastered.

Part 3: How to Fix OEM Unlocking Greyed Out

You may encounter OEM unlocking greyed out after you open Developer options. Without Android OEM unlock, you can't remove the bootloader to install your desired system firmware. But you don't need to worry much, for you can easily fix OEM unlocking greyed out easily.

Update the System Version

Although OEM unlock is to change to another system firmware, you still have to update to the latest system version, or OEM unlocking is greyed out, and you can't go on to remove the bootloader on your Android phone.

Factory Reset Your Android

Even if you've updated to the latest Android version, you may still find OEM unlocking greyed out. In that case, you will have to factory reset your Android to enable OEM unlocking. You should erase all data and settings on your Android phone, just like Lenovo factory resetting, or you can't turn on OEM unlock when your phone restarts.

Bonus: Easily Unlock the Screen Without a Password on Android

If you get a second-hand Android phone, you may not know the screen passcode, and then you can't unlock OEM on the phone. Don't worry; this article will show you how to unlock your Android screen without a passcode. Tenorshare 4uKey for Android can easily erase the screen lock when you don't know the password. After that, you can quickly factory reset your phone and start OEM unlocking easily.

Huvuddrag:

Remove screen lock to unlock OEM on Android.

Reset your Android phone to help you fix OEM unlocking greyed out.

Refresh your Android phone after you unlock the screen.

Allows you to unlock the screen without data loss.

Part 4: FAQs of OEM Unlock

Slutsats

This article briefly introduces OEM unlock on Android. You can also learn to fix OEM unlocking greyed out easily. It's really easy to do that on many phone brands. But you should also know that OEM unlocking is only a precondition of bootloader unlock. If you get a second-hand Android phone and need to know the screen passcode, you should be aware of Tenorshare 4uKey for Android, which can easily wipe out the screen lock on any Android phone. After that, you can do an Android OEM unlock and remove the bootloader.