How to Enter Samsung Galaxy J4 into Recovery Mode
Here we have given 4 different methods to enter your phone into recovery mode. You can refer to any one of them. Note that the below-mentioned techniques are applicable to all variants of Samsung Galaxy J4 including SM-J400F, SM-J400G/DS, and SM-J400F/DS.
Method 1: Using Hard Keys
Step 1: Switch off your phone completely until it vibrates.
Step 2: Then Press and Hold Volume Up key + Home button + Power button simultaneously.
Step 3: Just in few seconds, you’ll see a blue screen with an Android bot and a message saying, ‘Installing system update..’ (don’t worry, nothing gets installed). Leave all the pressed buttons now.
Then you will be presented with the Recovery Mode menu on your Samsung Galaxy J4. If you have NOT installed any custom recovery like CWM or TWRP then you’ll be presented with Android system recovery (Stock Recovery) as shown below:
If you have Clockworkmod custom recovery (CWM) installed then your phone will boot into CWM as shown below:
If you have TWRP (Team Win Recovery Project) custom recovery installed then your phone will boot into TWRP as shown below:
That’s all! You’ve successfully booted your Galaxy J4 into Recovery Mode using hard keys.
Method 2: Using ADB commands
Step 1: Enable the USB debugging mode on your phone. For that, follow the path Menu->Settings->Developer options ->USB debugging. If you don’t see Developer option then go to Settings->About Phone and tap 7 times on the Build number. This will make the Developer option appear in the Settings menu.
Step 2: Also enable OEM unlocking and Advanced reboot mode from Developer options.
Step 3: Now, download and install ADB and Fastboot setup on your PC. Step 4: Using standard USB cable connect your phone to PC. Step 5: Launch Command window on your PC. For doing so, hold Shift button and right mouse click anywhere on your PC. You’ll see a list of options from which select Open command window here option. This will launch the command prompt window on your PC.
Step 6: To ensure that your phone is successfully connected to PC, type the following commands in the command window and hit enter key: adb devices
As soon as you press enter key, you’ll see a message saying ‘List of devices attached’ along with some random numbers. This will confirm that your phone has been successfully connected to PC.
Note: If such thing doesn’t happen, then re-install device drivers, enable USB debugging mode and try again. If the problem still persists, try changing USB cable or even the USB port.
How to Fix ‘USB Device Not Recognized’ error on Samsung phones.
Step 7: Now to boot your Galaxy J4 into recovery mode, type the following command in the command window and hit enter key: adb reboot recovery
As soon as you press the enter key, your Samsung Galaxy J4 will enter the Recovery mode.
Method 3: Using Terminal Emulator (Requires ROOT)
Step 1: Download and install Terminal Emulator App from Google Play Store. Step 2: Launch Terminal Emulator App.
Step 3: Type this command in it and press enter key: su
Step 4: As soon as you hit enter key, a popup will appear to grant Superuser permissions. So click on Grant option.
Step 5: On the next line type the following command and press enter key: reboot recovery
As soon as you press enter key, your Galaxy J4 will boot into Recovery mode.
Method 4: Using Quick Reboot App (Requires ROOT)
Step 1: Download and install Quick Reboot app from Google Play Store. Step 2: Launch Quick Reboot app.
Step 3: Tick the ‘I have read and accept the terms’ and click on confirm.
Step 4: To enter the recovery mode, simply click on Recovery option.
Step 5: Then Tap on Yes to confirm.
Step 6: As soon as you press Yes, a popup will appear to grant Superuser permissions. So click on Grant option.
This will boot your Galaxy J4 into Recovery mode.
How to Exit Recovery Mode on Galaxy J4
For Android System Recovery : Use Volume Up/ Down keys to highlight the ‘Reboot system now’ option. Then Press Power button to select it. This will restart your phone normally.
For CWM/ TWRP recovery: Select the ‘Reboot system now’ option to restart your phone.
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