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HOW TO REMOVE FRP {Factory Reset Protection} On All Samsung Device Using Firmware

These are the steps that you should follow to perform a hard reset in your Sony Xperia Z3 Compact.Perform a hard reset using hardware keys if you want to reset to factory default settings if you cant access setting to manually reset it.

These are the following problems may fix once the hard reset is completed.

• Forgotten Pattern Password
• Forgotten Pin Password
• Gmail Account
• Freezes
• Hangs
• Just want to sell it 

Warning:Make sure the battery is fully charged and make sure you have already have a back-up of your important data because by doing this method will completely wiped your data,messages,contacts and newly installed applications.

Sony Xperia Z3 Compact Hardware Keys

Sony Xperia Z3 Compact (D5803 / D5833 / M55w) Hard Reset Steps:

Use Internal Settings

1.Turn on SONY XPERIA Z3 COMPACT (D5803 / D5833 / M55w) smartphone

2.Don’t forget to backup all important data

3.Go to menu: Setting > Backup & reset > Factory Data Reset > Reset Phone

4.Choose Erase everything to continue and confirm you ready to do the format SONY XPERIA Z3 COMPACT (D5803 / D5833 / M55w)

5.The SONY XPERIA Z3 COMPACT (D5803 / D5833 / M55w) will continue the step until ready to use in clean factory default.

Use Sony PC Companion

1.PC Companion is default applications for Sony Smartphone which can be download from Sony Website

2.After install at our computer, open PC Companion Applications

3.Before connect to phone, please choose Phone Update and follow several step at PC Companion

4.At some menu, PC Companion will tell us how to connect the phone with PC Companion using USB cable and press the Volume Down button

5.Finish the PC Companion step and until it doing Factory Reset to SONY XPERIA Z3 COMPACT (D5803 / D5833 / M55w) to factory default Android operating system.

Use Hardware Keys

1.Turn off the SONY XPERIA Z3 COMPACT (D5803 / D5833 / M55w)

2.Press and Hold together: Power Button + Volume Up Button for several seconds

3.Follow the menu at LCD screen to continue the hard reset SONY XPERIA Z3 COMPACT (D5803 / D5833 / M55w)

4.Reboot System

5.Follow on screen to continue using Sony Xperia Z3 Compact (D5803 / D5833 / M55w)

How to Exit Factory Mode for Samsung Galaxy Devices
If your device display a annoying transparency black background which contains some info about your device (PDA, Phone, CSC, H/W, Camera, …)
in yellow text … and lock screen is not working, mean that your device is in factory mode.

“Factory Mode” is enabled if the EFS partition is corrupted because of installing custom ROMs, bad Mods or downgrading your current system version or after you succeeded in fixing the EFS partition.

• To Fix this problem it require knowledge
• Rooted Samsung device
• Root file explorer Root Explorer

Steps :

Go to Local
 / Device >
         efs >
        FactoryApp
and open factorymode as text in “ES Note Editor”
Change it from OFF to ON and save it
Open keystr as text in “ES Note Editor”, change it from OFF to ON and save it
Reboot.

Method 2 
Install “Terminal Emulator“

Type :
Type:
rm /efs/FactoryApp/keystr
rm /efs/FactoryApp/factorymode
echo -n ON >> /efs/FactoryApp/keystr
echo -n ON >> /efs/FactoryApp/factorymode
chown 1000.1000 /efs/FactoryApp/keystr
chown 1000.1000 /efs/FactoryApp/factorymode
chmod 0744 /efs/FactoryApp/keystr
chmod 0744 /efs/FactoryApp/factorymode
reboot

Method 3
WITHOUT ROOT

You can also exit factory mode and remove the annoying message without root, but it won’t fix it :
Go to Settings>
 Application manager >
All>
Search Factory Test
and “Clear data”, “Clear cache”