No. You lose data when you perform an action like locking or unlocking the bootloader or something else. Unlocking your bootloader, however, forces the device into a full factory data reset, thus wiping all saved files, photos, videos, app data, etc.
Android devices have a feature called Android Recovery Mode, which allows users to fix some problems in their phones or tablets. Technically, Recovery Mode Android refers to a special bootable partition, which contains a recovery application installed in it.
Master reset from settings menu
- Back up data on the internal memory.
- From any Home screen, tap the All apps icon.
- Tap Settings.
- Scroll to 'PERSONAL', then tap Backup & reset.
- Tap Factory data reset.
- If your phone is password protected, you'll be prompted to enter your Pattern, PIN, or Password.
- Tap RESET PHONE.
To turn the device on, press and hold the Power/Lock button until the screen lights up. To turn the device off, press and hold the Power/Lock button. Select Power off. If you are unable to turn your device on, plug the device into a power source for 15 minutes and then try again.
Recovery is the mode that is used by device to install updates to Android ROM partition. It is also used while factory resetting the phone. Fastboot on the other hand is a protocol that can be used to connect to the device from a computer over USB and issue updates to the partitions of the device.
If your tablet's touchscreen is not responding, you might want to first try a soft reboot. You can do this by holding down the Power button until you see a box appear on the screen. Touch and hold Power Off and then hold the Power button again after the screen turns black and the device has powered down.
Master reset with hardware keys
- Back up data on the internal memory.
- Turn off the device.
- Press and hold the Volume Down and Power keys at the same time for about 10 seconds.
- An image of an Android lying on its back will appear.
- Press the Volume Down key twice until 'Recovery mode' appears on the screen.
First method:
- At the beginning hold down the Power key for a short while to turn off your device.
- Afterewards press and hold Volume Down + Power button simultaneously for a few seconds.
- Then press Volume Down to select option "Recovery", and press Power button to confirm.
How to reset the Nexus 7 (2013) using the Settings menu (factory reset)
- Open Settings.
- Under Personal, tap on Backup & Reset.
- Under Personal Data, tap on Factory Data Reset.
- Tap on Reset Tablet.
- Enter your PIN, pattern or password if prompted.
- Tap Delete Everything.
- Reboot your Nexus.
When the tablet is turned off, press and hold the Volume Down button and then press and hold the Power button at the same time until the tablet turns on. Now press the Volume Down button twice to highlight Recovery mode. Now just press the Power button to start Recovery mode. You will see a robot Android sign.
The volume and home buttons
Pressing down both volume buttons on your device for a long period can often bring up a boot menu. From there you can choose to restart your device. Your phone may use a combination of holding the volume buttons while also holding the home button, so be sure to try this as well.Potential Solutions –
- If your tablet is on, turn it off.
- Press and hold the Volume Down button, then press and hold the Power button at the same time until the tablet turns on.
- Press the Volume Down button twice to highlight “Recovery mode.”
- Press the Power button to start Recovery mode.
Clear the application data on your Google Nexus 5
- From the home screen, tap the All Apps icon.
- Scroll to and tap Settings.
- Scroll to and tap Apps.
- Scroll to and tap Storage.
- Tap CLEAR DATA.
- Review the message and tap OK.
- You've now cleared the application data.
Forgotten screen lock.
- Turn your tablet off.
- Hold the volume down key.
- Turn your tablet on.
- Press the volume up key.
- Using the volume down key, highlight Wipe data/factory reset.
- Press the power key to select Wipe data/factory reset.
- Press the volume ups key.
Problem #2: How to fix a Huawei Nexus 6P battery issue: charge drops suddenly to 0%
- Turn off the phone.
- Hold the volume down button and Power button simultaneously until the device switches on.
- You should see “Start” with an arrow.
- Tap volume down twice and the power button to enter Recovery Mode.