What is Fastboot Mode?
With Fastboot, you can easily flash certain parts of or a full system. There are key parts to Android OS, the modem, bootloader and system. These parts can be upgraded or changed manually via a computer that recognizes the phone and has the Fastboot software.
Other than installing firmwares, there is nothing else you can do yourself. Except, there is a neat trick only specific to OnePlus devices. To access other system modes, you first have to access Fastboot. Meaning, if you are aiming for the recovery mode, you still need to access Fastboot first.
Booting into this mode is totally verified by OnePlus and there is no risk of losing warranty. But, if you try flashing different firmwares or firmwares which aren’t authorized by OnePlus, you could end up with a useless phone and total warranty loss. This is exactly why we will advise if you are not good with computers or the protocols laid by Android, you shouldn’t connect your phone to your PC while in Fastboot mode.
NOTE: Screenshots below may be of a different OnePlus device, but should have similar screen on your phone as well. The following steps can be used to enter Fastboot mode on the OnePlus 3– all variants.
In simpler words, Android has this maintenance mode (Fastboot) natively built into it for diagnostic and upgrading purposes. If we look into details, this is a mode designed for re-partitioning the phone, accessing vital system data and manually flashing firmwares. Usually, this mode is meant for developers but if you find yourself okay with experimenting than there is no such danger in accessing Fastboot.
In case your phone is not detected by your computer at all, please make sure you have all the OnePlus 3 USB drivers installed.
Fastboot Mode comes in handy when you want to access the recovery, install a custom recovery or when you want to manually flash a firmware. Getting your device into Fastboot Mode is no big deal, but we still get questions from many readers on how to do it.
The fastboot mode on different Android phones act as an advanced mode through which a computer can access the phone’s primary partitions. Simply put, with this mode, it is possible to flash different ROMs and official firmwares with ease. It is obviously a maintenance mode which means you cant directly access it from the normal user interface. There is a separate procedure, which followed will lead you to this mode. We have explained the procedure in detail right below and provide two methods so you can follow which ever fits you best.
As mentioned earlier, Fastboot is a system mode which doesn’t require any installation. All of the steps require to enter Fastboot Mode on your OnePlus 3 are detailed below.
Method 1: How to Enter Fastboot Mode on OnePlus 3
Here is a quick step-by-step instruction on how to enter Fastboot Mode on your OnePlus 3 phone. If this is your first time with a OnePlus Android phone, follow the following carefully:
Step 1 – Turn OFF your OnePlus 3.
Step 2 – Now press and hold the Volume Down and Power button for 5-6 seconds then release.
Step 3 – The phone will now boot into fastboot mode. This is your Fastboot screen, you can now connect your phone to your PC and access it via the Fastboot tool.
Boot in Fastboot Mode OnePlus 3 (VIDEO):
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