If your phone is crashing or locking up after boot, try rebooting into safe mode. In the previous step, tap and hold on "Power off" until the prompt changes to "Reboot to safe mode. Most third party apps will not run under safe mode. If the phone runs okay, then reboot normally and start uninstalling apps until you determine which one was the culprit.
Some apps' settings will be lost or reset after using safe mode. You may have to set them up again. With the phone in an off state, hold down buttons in a combination to enter the bootloader. Google Nexus models have specific combinations like holding Volume Down and Power simultaneously. Your device's bootloader may look different from this Nexus 5 screen. That's okay. The bootloader often displays information like the phone model, version of fastboot, whether or not it is boot-unlocked or not.
The Android SDK fastboot command supports unlocking the bootloader, flashing factory images to Nexus phones, flashing a new recovery partition. Check the Android SDK documentation for further details, or type fastboot -h at the command line. Flashing a phone can often wipe out all user data and settings. Fastboot flashing unlock formerly fastboot oem unlock on Nexus phones will erase all user data as a security precaution. Offload any information or media that you want to keep before unlocking a phone's bootloader.
Some manufacturers may supply custom code based on your phone's IMEI unique serial number which is required to unlock. Flashing an Android phone with compatible ROMs operating firmware and software is part of the fun of tinkering with Android Phones.
With the phone in the bootloader state, this is where you can change your phone's software suite. For example, Google provides complete "factory images" to return the Nexus models to a new, "out of the box" state.
From your bootloader screen, toggling the volume buttons will offer functions like Start, Power Down, Restart Bootloader, and usually … Recovery. Pressing the Power button generally executes the displayed function. The recovery partition is a rudimentary mini operating mode which allows loading updates, wiping the cache partition, and performing a factory reset to a phone that cannot boot properly e.
If that fails, try booting the device in Safe Mode. Most of the time, one can get the recovery menu by long-pressing the Home, Power, and Volume up button simultaneously. Skip to content Android Windows Linux Apple. Home » Android. See also Should you get iOS 14 beta? See also Your question: How do I change the back and home button on my Android?
Related posts: How do I know which bootloader I have Linux? What bootloader does Linux use? Which bootloader is used by Linux? What Is Bootloader Android? However, it has a limited number of options. If you are looking to expand the recovery features, a custom recovery is what you need. A custom recovery brings with it many more features than the stock one. Also, installing many third-party files requires you to have a custom recovery on your phone.
Once you have installed a custom recovery with the bootloader mode, then choosing the recovery option will reboot your device into this newly installed recovery. Those of you who have never tweaked their phones beyond what the system allows might be a little hesitant to use the bootloader mode.
You might even be worried if restarting your device into the bootloader mode will erase your data. That is what we are going to answer here for you. When you reboot your phone or tablet into bootloader mode, nothing gets deleted from your device. That is because the bootloader itself does not perform any actions on your phone. It is you who decides what to install with the bootloader mode, and then it depends if doing that action will wipe off your data.
For example, if you unlock the bootloader, then all of your data will be erased. This is done for security reasons. Similarly, if you flash a full-blown custom ROM , it will wipe off all the data on your device. So it is necessary to backup your Android phone before unlocking the bootloader. Now that you know quite a bit about Android bootloader mode, you might want to see how this mode looks. If that is the case, it is pretty easy to enter the bootloader screen on most Android devices.
The following are two methods you can use to enter the bootloader mode on your phone or tablet. One of the quickest ways to enter the bootloader mode on most Android devices is to use the designated key combination. Most phones have a certain key combination that you can press to reboot your device into the bootloader mode instead of the normal mode. If you use a Google Pixel phone , you can press the Volume Down and Power buttons at the same time while your phone is turned off to enter the bootloader mode.
On some Nexus phones , you need to press the same Volume Down and Power key combo to get into the bootloader mode. Most LG devices also follow a similar approach where you need to hold down the Volume Down and Power buttons together to enter the bootloader mode.
Then, keep the Volume Down key held down and you will see the bootloader screen. If you want to reboot to the bootloader on a Samsung phone , you would be disappointed to know that Samsung devices do not have the bootloader mode. For whatever reason, it feels the need to lock down its phones and prevent users from taking advantage of everything it can do for them. For example, the Samsung Galaxy S3 shipped with an unlocked bootloader on every carrier except Verizon. The community over at XDA had to work together for months to crack it.
Big Red gave this official statement :. Verizon Wireless has established a standard of excellence in customer experience with our branded devices and customer service. There is an expectation that if a customer has a question, they can call Verizon Wireless for answers that help them maximize their enjoyment and use of their wireless phone.
Depending on the device, an open bootloader could prevent Verizon Wireless from providing the same level of customer experience and support because it would allow users to change the phone or otherwise modify the software and, potentially, negatively impact how the phone connects with the network.
The addition of unapproved software could also negatively impact the wireless experience for other customers. It is always a delicate balance for any company to manage the technology choices we make for our branded devices and the requests of a few who may want a different device experience.
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