Today, Androidbiits.com will share a simple trick with Samsung Galaxy M40 (SM-M405F, SM-M405FN) owners who are trying to unlock bootloader of their phone. It comes with PLS TFT display and hybrid dual SIM support. If you have recently bought M40 (SM-M405F, SM-M405G), then you might be planning to unlock its bootloader. As we know, bootloader is a program that starts whenever phone is turned on. It activates the Android operating system on M40 (SM-M405F, SM-M405FN). Locked bootloader does not allow us to install custom ROM on our phone. It only loads the authorized Android OS with a digital signature. Androidbiits.com will help you in unlocking M40 SM-M405F bootloader. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for unlocking bootloader of Samsung Galaxy M30. Now, I will discuss about the step-by-step tutorial to unlock bootloader of Samsung Galaxy M40.
I am hoping that you will be able to unlock M40 (SM-M405F, SM-M405FN) bootloader without facing any problem after reading the tutorial written in Androidbiits.com. Don’t forget to activate developer options. You must note that your M40 (SM-M405F, SM-M405FN) will lose warranty after the bootloader unlock process. It will let you install Custom ROMs on your phone. You must activate OEM unlock options on M40 SM-M405F. Bootloader unlock process will also let you install Magisk on your phone, so you will be able to root your phone after unlocking its bootloader.
If you are planning to install official and unofficial LineageOS custom ROM on M40 (SM-M405F, SM-M405FN), then you must be eagerly waiting to unlock its bootloader. You must save your important documents securely including messages and contacts before unlocking bootloader of M40 (SM-M405F, SM-M405FN), because there is a possibility of losing all documents from your phone during bootloader unlock process.
Below are the steps using which you can unlock bootloader of M40 (SM-M405F, SM-M405FN). Androidbiits.com will not be responsible if your phone got broken during bootloader unlock process. M40 SM-M405F battery must be above 86 percentage before bootloader unlock process. You have to activate developer options before unlocking it.
How to Unlock Bootloader of Samsung Galaxy M40 SM-M405F Easily [Simple Steps]
1. Tap “Settings” Menu on Samsung Galaxy M40 SM-M405F, then you have to tap “About Phone” option.
2. Tap “Software Information” option.
3. Tap “Build number” option several times until you see “You are now a developer” on SM-M405F.
4. Tap “Settings” Menu again.
5. Tap “Developer options”, then activate “USB debugging” and “OEM unlocking” option.
6. Switch off your phone.
7. Install Samsung Galaxy M40 SM-M405F USB driver on desktop.
8. Connect your phone with computer via USB cable while pressing Volume down button and Volume up button simultaneously.
9. Long Press Volume up button for a few seconds to enter Device Unlock Mode.
10. Press Volume up button again to unlock bootloader.
You have successfully unlocked bootloader of M40 (SM-M405F, SM-M405FN). If you are experiencing any difficulty while unlocking M40 SM-M405F bootloader, then don’t hesitate to share your issue with Androidbiits.com. Please submit your email address and subscribe to get more information regarding M40 SM-M405F. You must check your email to activate subscription. I’ll help you in unlocking bootloader of your phone.