Google Android pattern lock disable authentication here
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If you have problems starting your phone because Google authentication, this article is for you.
The Android operating system offers security for your smartphone called "Pattern Lock" that allows you to prevent unauthorized manipulations on your phone.
To use this feature, you must first define authentication that will then be used to allow access to your device.
Sometimes authentication is forgotten by users and they start to panic because they are unable to access their device.
As with every problem there is a solution. Using some ADB commands, you can bypass this security and get access to the device.
To learn how, follow our guide below.
The Android operating system offers security for your smartphone called "Pattern Lock" that allows you to prevent unauthorized manipulations on your phone.
To use this feature, you must first define authentication that will then be used to allow access to your device.
Sometimes authentication is forgotten by users and they start to panic because they are unable to access their device.
As with every problem there is a solution. Using some ADB commands, you can bypass this security and get access to the device.
To learn how, follow our guide below.
1. Before you begin:
1. You must have ADB installed on your PC.
Most people will not have to use ADB (Android Debug Bridge), but if you want to get a little more technical information for your Android phone, here's how to install it.
1. Download the latest version of Google Android SDK
Most people will not have to use ADB (Android Debug Bridge), but if you want to get a little more technical information for your Android phone, here's how to install it.
1. Download the latest version of Google Android SDK
1. Download the latest version of Google Android SDK
Android SDK (Select exe Version)
Andoid SDK link to ADB: HERE
2. Once downloaded, double-click the exe file to open it. (Be sure to change the directory to install everything in c: \ android-sdk \)
3. Click the SDK Manager to install the packages needed to use ADB.
Select and leave all other checked:
Android SDK Tools
Android SDK Platform Tools
Google USB Driver Package
4. Click Continue and follow the instructions for the installation to complete.
5a. On your phone, click Settings> Applications> Development and make sure USB debugging is enabled.
5b. If you use the Android 4.0 (ice cream sandwich), click Settings> Developer Options and make sure that USB debugging is enabled.
6. Connect your phone to your computer via the USB cable. She should be told to install drivers if you use Windows.
7. Open Windows File Explorer and locate the android-sdk folder inside the C drive
Then open tools platform folder. (Tools Platform) and hold down the Shift key on your keyboard and right-click a blank area inside this folder.
This will give you the opportunity to open a command window. Select this one to a command prompt opens and displays c: \ android-sdk \ platform-tools \
* If you use Windows XP, it will not work.
Go to Start> Run> type cmd and press Enter.
Then type cd c: \ android-sdk \ platform-tools \ and press Enter, then continue.
8. Type the following command in the command prompt window (by pressing Enter at the end of each line):
Android SDK (Select exe Version)
Andoid SDK link to ADB: HERE
2. Once downloaded, double-click the exe file to open it. (Be sure to change the directory to install everything in c: \ android-sdk \)
3. Click the SDK Manager to install the packages needed to use ADB.
Select and leave all other checked:
Android SDK Tools
Android SDK Platform Tools
Google USB Driver Package
4. Click Continue and follow the instructions for the installation to complete.
5a. On your phone, click Settings> Applications> Development and make sure USB debugging is enabled.
5b. If you use the Android 4.0 (ice cream sandwich), click Settings> Developer Options and make sure that USB debugging is enabled.
6. Connect your phone to your computer via the USB cable. She should be told to install drivers if you use Windows.
7. Open Windows File Explorer and locate the android-sdk folder inside the C drive
Then open tools platform folder. (Tools Platform) and hold down the Shift key on your keyboard and right-click a blank area inside this folder.
This will give you the opportunity to open a command window. Select this one to a command prompt opens and displays c: \ android-sdk \ platform-tools \
* If you use Windows XP, it will not work.
Go to Start> Run> type cmd and press Enter.
Then type cd c: \ android-sdk \ platform-tools \ and press Enter, then continue.
8. Type the following command in the command prompt window (by pressing Enter at the end of each line):
adb devices
You should see a serial number that appears is the serial number of your phone. This means that you are connected to the android terminal!
If you do not see a serial number, then you need to reinstall the drivers manually in section II below.
You should see a serial number that appears is the serial number of your phone. This means that you are connected to the android terminal!
If you do not see a serial number, then you need to reinstall the drivers manually in section II below.
2. If the drivers do not install automatically, you can manually HERE
1. A program called PDANet can be used to install the ADB drivers for a large number of phones.
Download it and follow the instructions to install it and then return to step 8 of section 1 just above and see if get the serial number.
Link PDANet: HERE
If you get your serial number once you have installed the drivers via PDANet, you will not need to install other drivers / pilots
If you still do not have the serial number, you can install the drivers if below:
1. A program called PDANet can be used to install the ADB drivers for a large number of phones.
Download it and follow the instructions to install it and then return to step 8 of section 1 just above and see if get the serial number.
Link PDANet: HERE
If you get your serial number once you have installed the drivers via PDANet, you will not need to install other drivers / pilots
If you still do not have the serial number, you can install the drivers if below:
2. Download the driver for your phone below via your Device Manager on your computer.
Look for the phone and click it. Then click Properties> Driver Update> Catalog> let me choose> Computer> Disk> Catalog> Then select the driver you downloaded below:
Motorola Universal Driver (unzip the file after you download and run the program to install the drivers)
Drivers Motorola Droid (unzip the file after you download it).
Motorola Milestone Drivers
Motorola CLIQ Drivers
Samsung Galaxy and Android drivers
If you use a Samsung device, try to download Samsung Kies which normally operates directly with ADB.
Drivers Motorola Droid (unzip the file after you download it).
Motorola Milestone Drivers
Motorola CLIQ Drivers
Samsung Galaxy and Android drivers
If you use a Samsung device, try to download Samsung Kies which normally operates directly with ADB.
3. Useful ADB commands
adb devices - list of devices currently connected to your computer
adb install <packagename.apk> - allows you to install an application on your Android phone
adb remount - returns your system to writing mode - this allows you to change the system files on your phone using ADB
adb push <localfile> <location on your phone> -allows you to upload files in the file system of your phone
adb pull <location on your phone> <localfile> - allows you to upload files to the file system of your phone
adb logcat - allows the dumping debugging information from your phone using ADB console - useful for debugging your applications
adb shell <command> - allows you to run a basic Linux shell command without parameters on your phone.
adb install <packagename.apk> - allows you to install an application on your Android phone
adb remount - returns your system to writing mode - this allows you to change the system files on your phone using ADB
adb push <localfile> <location on your phone> -allows you to upload files in the file system of your phone
adb pull <location on your phone> <localfile> - allows you to upload files to the file system of your phone
adb logcat - allows the dumping debugging information from your phone using ADB console - useful for debugging your applications
adb shell <command> - allows you to run a basic Linux shell command without parameters on your phone.
4. Bypassing the lock with a Google Android phone:
* Having ADB installed on your PC and USB debugging turned on before the unit have been locked.
1. Connect your device to your PC via the USB cable.
2. Open the folder where you installed ADB.
3. Right-click an empty area of the screen while maintaining the Shift key on your keyboard, choose Open command window here or Open command window here.
* Having ADB installed on your PC and USB debugging turned on before the unit have been locked.
1. Connect your device to your PC via the USB cable.
2. Open the folder where you installed ADB.
3. Right-click an empty area of the screen while maintaining the Shift key on your keyboard, choose Open command window here or Open command window here.
4. In the command prompt window you just opened, type the following commands:
adb shell
cd /data/data/com.android.providers.settings/databases
sqlite3 settings.db
update system set value = 0 where name = 'lock_pattern_autolock';
update system set value = 0 where name = 'lockscreen.lockedoutpermanently';
.Quit
5. When done, restart the device.
6. The lock has been deactivated successfully on your device and you can now access them!
adb shell
cd /data/data/com.android.providers.settings/databases
sqlite3 settings.db
update system set value = 0 where name = 'lock_pattern_autolock';
update system set value = 0 where name = 'lockscreen.lockedoutpermanently';
.Quit
5. When done, restart the device.
6. The lock has been deactivated successfully on your device and you can now access them!
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