Unlocking the bootloader on your Android smartphone affords you the luxury of installing custom ROMs, but an annoying thing with many smartphones is that after unlocking the bootloader, you will be shown a warning that your bootloader has been unlocked every time you boot the smartphone. The good news is that you can fix this issue and remove the “unlocked bootloader” warning; we’ve been able to successfully do this on the Moto G5S / Moto G5S Plus and Moto Z2 Force, and in this article, I’ll show you how to remove unlocked bootloader screen warning on ZTE Axon 7.
The ZTE Axon 7 was launched early in 2017 and is a flagship smartphone with interesting specifications. It comes with a 5.5-inch AMOLED display with a Quad HD (1440 * 2560) pixel resolution, Corning Gorilla Glass 4 protection and 538 PPI pixel density. It is powered by a quad-core 2.15GHz Snapdragon 820 processor with Adreno 530 GPU, and comes with 4GB of RAM and 64GB of internal memory which can be further expanded up to 256GB with microSD. It sports a 20MP camera at the rear and 8MP selfie shooter at the front, and runs on Android 6.0.1 Marshmallow out of the box with MiFavor UI 4.2 layered on top. It also supports 4G LTE and packs a 3,250mAh Li-ion battery with Qualcomm Quick Charge 3.0.
Problem: Warning message displayed on ZTE Axon 7 during reboot after unlocking bootloader
Before You Start:
Here is everything you need to know before you start the process of removing the unwanted warning message on your ZTE Axon 7. This includes file downloads you need to make, things you need to set up on your phone and PC, and guides you should refer to if you’re new to this. Tweaking on Android is a risky process and you need to set things up as perfectly as you can before going into it.

Does this method work for rooted galaxy s10 plus?