How do I unlock bootloader - Cell Phones

Pre- requisites
- Download and install Oppo USB and ADB drivers.
- Developer options and USB debugging must be enabled. As a result, the computer is able to connect to your phone.
- If you do not want to lose your data, back up everything on your phone.

__Unlocked using this following steps__
( https://dubaexpress.com/how-to-unlock-bootloader-on-oppo-devices/ )

1. Open the Settings menu after unlocking your phone.
2. To access Developer Options, go to System -> Developer Options. A selection of exceptional choices will appear.
3. Look for the following alternative: "OEM unlocking," says the narrator. Allow for the unlocking of the bootloader."
4. Enable OEM unlocking by tapping the toggle.
5. Hold the power button down for a few seconds. To switch off the phone, tap on Power off.
6. To enter Fastboot mode, press and hold the Volume Up + Power keys at the same time Using a USB cord, connect your phone to your computer.
7. On your PC, open CMD/Powershell and type the "fastboot devices" command.
8. If the terminal responds, it signifies the computer and the phone have successfully communicated. You may now use the "fastboot flashing unlock" command to unlock your computer.
9. Once you've entered the unlocking instruction, the phone's screen will give you two alternatives. Unlock the bootloader is the option.
10. To confirm your choice, press the Power button

To unlock the bootloader on your Lenovo Tab3 7 Essential (TB3-710I) tablet, you need to follow these steps:
Note: Unlocking the bootloader will erase all data on your device. Make sure to backup your important data before proceeding.

1. Enable Developer Options on your device. To do this, go to Settings > About tablet > tap the Build number 7 times.
2. Enable USB Debugging. To do this, go to Settings > Developer options > enable USB debugging.
3. Download and install the ADB and Fastboot tools on your computer.
4. Connect your tablet to your computer using a USB cable.
5. Open a command prompt window on your computer.
6. In the command prompt window, type the following command and press Enter: adb reboot bootloader, This will reboot your tablet into the bootloader mode.
7. Next, type the following command and press Enter: fastboot oem unlock, This will unlock the bootloader on your tablet.
8. Once the process is complete, reboot your tablet by typing the following command and pressing Enter: fastboot reboot. That's it! Your Lenovo Tab3 7 Essential tablet's bootloader is now unlocked.

Obtain the unlock code
Follow these steps:
visit https://www.unlockninja.com/
Select: Brand Name
Select: Model No and click unlock button
on the next page proceed the steps below:
1) select purchase country and network on which device is locked, your mail
id then make payment
2) We will send you login details(Username and Password) for unlockninja.com at the same moment in your mail to update IMEI No
3) Make login and Update IMEI, we will deliver you the code in least possible time

After you obtain the unlock code for huawei you can move to the steps to unlock bootloader of Huawei
Unlock Huawei bootloader
Run "Unlock Bootloader" select language by pressing "Enter" 2 times.
Turn off your device and hold the Volume down and power button simultaneously for some time. Your phone will boot in fastboot mode.
Connect your smartphone to your pc.
At last Paste the code in cmd window press Enter key.

Official Huawei IMEI Permanent Unlock Important Select the Current Network...

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Hi,

In this link Unlocking the Bootloader MOTOROLA Android Phones Motorola Mobility LLC you can find information regarding Unlock the Bootloader foryour device. As well join us in our forums
English Community

Regards,
Maya
Motorla Support

http://wccftech.com/unlock-htc-one-m8-bootloader/

In case you still need this, you can unlock your Motorola phone's bootloader following the instructions here:
Unlocking the Bootloader MOTOROLA Android Phones Motorola Mobility LLC

Make sure your phone can be bootloader unlocked here:
What devices are supported by the Bootloader Unlock program

You'll also need to install Motorola's drivers from here:
Software Drivers

Hope that gives you a good start...

to unlock bootloader go to this site HTCdev Unlock Bootloader and you will have to register and Select "all other supported models" from Unlock Bootloader drop-down menu. When you get the unlock bin in your email just follow the directions in the email to flash it and unlock your bootloader

I'll post my experience/method that I did several times over on my 2 Atrix phones (Both AT&T)

Both phones had unlocked bootloader
I upgraded both phones via the Automatic Update (Motorola Website tool...it downloads the SBF and flashes it to your phone)
At that point you're at 141, stock, unrooted (I did this over unlocked bootloader)
Then I used the Automatic Bootloader Unlock 4.2 to do fastboot oem unlock
I root using preinstall method and restore from Titanium Backup

I have not run into any problems going to and from 141 with unlocked bootloader (I did not try going to FroYo but GB works fine)






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I should first point out that there are other options to unlocking yourself, since this option is a bit more involved and can seriously mess up your phone:

1) You can get the unlock code from your provider for free if they are prepared to give it to you. If they are then that is the safest and best option.
2) For $25, you can use TheMotoGuide's unlocking solution which is instant and guaranteed.



That being said, here's directions on how to unlock the phone yourself:

*You need to downgrade your boot loader to 7.D0, be aware that this can be risky.

* You may find afterwards that when starting in bootloader you have only a blackscreen, so long as the phone works ok and you can connect in bootloader that is nothing to worry about

* Ensure your phone is fully charged before starting. I recommend before beginning you first make a backup of your phone as described in the back it up section. Especially the PDS back up. This assumes all necessary drivers are already installed.

1) Start in bootloader mode (hold # and * while powering on)
2) Identify your current bootloader (e.g. 8.26 or 7.E0)

3) If you already have bootloader 7.D0 skip to step 6

4) Download bl_826-828_to_07d0_for_V3_by_Archy.V2
5) Flash with this file using RSD Lite (described at the Flashing and Flexing section)

6) Download and extract the MOTO UNLOCKER SOFTWARE
7) Start in bootloader mode (hold # and * while powering on). In bootloader mode after the downgrade it is not unusual for the phone to show a blank black screen with no info, don't worry, though, it is still in bootloader mode!
8) Open up Moto Unlocker and connect you phone

9) Run Moto Unlocker click connect and yes! Once finished it will look like this:


Congratulations, your Motorola Razr V3 is now unlocked