How to Use UltFone Android System Repair

Learn how to use UltFone Android System Repair to enter&exit Android recovery mode/Fastboot mode/download mode, as well as fix Android system issues like stuck on Samsung logo, black screen,etc.

Contents Part

UltFone Android System Repair is professionally designed for Android users to enter and exit recovery mode, fastboot mode, and download mode in the best way and free of charge. In addition, this program can solve all kinds of Android issues like Android/Samsung phone won't turn on, Samsung black screen, apps keeps crashing on Samsung, etc.

Follow this guide to learn how to fix Android to normal.

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Part 1: Enter/Exit Android Fastboot Mode

1-Click to Enter Fastboot Mode

Fastboot is a tool/protocol that can be used to reflash partitions on Android phones. It is this small tool that comes with the Android SDK (Software Developer Kit), which is an alternative to the recovery mode. Follow the steps below to boot Android into Fastboot mode.

Step 1. Launch UltFone Android System on your computer and connect your Android device to computer. Choose the feature "One-Click to Enter Fastboot Mode" on the main interface.

one click to enter fastboot mode
Note: If your device is connected but unrecognized, try the suggestions on the screen:
how to do when device is not detected

Step 2. Turn on USB debugging option on your device. If your device has not enabled this option, you can follow the onscreen instructions by selecting the the phone series or brand. This program will detect your phone brand and show the steps to enable USB debugging accordingly.

samsung usb debugging
Note: If your device cannot turn on the USB debugging successfully, you can choose the General USB debugging setting to see more.

Enble USB debugging on Android 6.0 or later:

Enter "Settings" >>> Click "About Device" >>> Click "Software info" >>> Tap "Build number" for 7 times until getting a note "You are under developer mode" >>> Go back to "Settings" >>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 6.0

Enble USB debugging on Android 4.2 to 5.2:

Enter "Settings">>> Click "About Device" >>> Tap "Build Number" for 7 times until getting a note "You are under developer mode" >>> Go back to "Settings">>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 4.2

Enble USB debugging on Android 3.0 to 4.1:

Enter "Settings" >>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 4.1

Enble USB debugging on Android 2.3 or earlier:

Enter "Settings" >>> Click "Applications" >>> Click "Development" >>> Turn on "USB debugging".

enable usb debugging on android 2.3

If you are not sure the Android OS, you can click "More specific USB debugging settings>>" from the top right menu, where you can choose the phone brand for continue instructions.

specific usb debugging settings
Note: If the OS of your device is 4.2.2 or above, please allow the authorization that prompts on your device.
usb debugging propmt on android 4.2.2

It is worth mentioning that the Samsung devices don't have Fastboot mode.

no fastboot mode on samsung

Step 3. After enabling USB debugging, your device will start entering Fastboot mode.

start booting Android into fastboot mode

In a few seconds, your Android has entered into Fastboot mode successfully.

enter fastboot mode successfully

One Click to Exit Android Fastboot Mode

If your Android is stuck in Fastboot mode, follow the steps below to exit Fastboot mode.

Step 1. Launch this program on your computer, connect the Android device to computer then click "One-Click to Exit Fastboot Mode" from the main interface.

one click to exit Android fastboot mode

Step 2: Wait for the program to get Android out of Fastboot mode.

exiting fastboot mode  

Step 3: In a short time, your Android has exited Fastboot mode successfully.

exit fastboot mode successfully
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Part 2: Enter and Exit Android Recovery Mode

One Click to Enter Android Recovery Mode

You don't need to know the different keys to press in order to access recovery mode on your device. Use UltFone Android System Repair to get into recovery mode on Android by one click on any device.

Step 1. Download and run this program, connect your device to computer via a USB cable.

connect android device to computer

Step 2. Turn on USB debugging option on your device. This program will detect your phone brand and show the steps to enable USB debugging accordingly.

samsung usb debugging
Note: If your device cannot turn on the USB debugging successfully, you can choose the General USB debugging setting to see more.

Enble USB debugging on Android 6.0 or later:

Enter "Settings" >>> Click "About Device" >>> Click "Software info" >>> Tap "Build number" for 7 times until getting a note "You are under developer mode" >>> Go back to "Settings" >>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 6.0

Enble USB debugging on Android 4.2 to 5.2:

Enter "Settings">>> Click "About Device" >>> Tap "Build Number" for 7 times until getting a note "You are under developer mode" >>> Go back to "Settings">>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 4.2

Enble USB debugging on Android 3.0 to 4.1:

Enter "Settings" >>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 4.1

Enble USB debugging on Android 2.3 or earlier:

Enter "Settings" >>> Click "Applications" >>> Click "Development" >>> Turn on "USB debugging".

enable usb debugging on android 2.3

If you are not sure the Android OS, you can click "More specific USB debugging settings>>" from the top right menu, where you can choose the phone brand for continue instructions.

specific usb debugging settings
Note: If the OS of your device is 4.2.2 or above, please allow the authorization that prompts on your device.
usb debugging propmt on android 4.2.2

Step 3. Now, you can click "One-Click to Enter Recovery Mode" on the program to start.

choose enter recovery mode feature

Step 4. The program will start entering recovery mode.

entering android recovery mode

Your Android has entered into recovery mode successfully after a few seconds.

successfully enter recovery mode

How to Exit Android Recovery Mode

If your Android is stuck in recovery mode or you are having the "No Command" error, follow the steps below to exit recovery mode.

Step 1. Launch this program and connect your device to computer via the USB cable. Choose "Exit Recovery Mode" feature from the main interface.

exit recovery mode on Android

Step 2. On the next screen, choose your phone brand and follow the onscreen steps to get out of recovery mode.

Exit recovery mode on Samsung

exit recovery mode on samsung

Exit recovery mode on Huawei

exit recovery mode on huawei

Exit recovery mode on other Android devices

exit Android recovery mode
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Part 3: Enter and Exit Android Download Mode

How to Enter Download Mode on Android

Download Mode, also known as Odin Mode, is commonly used for flashing ROM or performing the system update. Follow the steps below to enter download mode on Samsung easily.

Step 1. Launch this program and connect your device to computer via the USB cable. Choose "Enter Download Mode" feature from the main interface.

Step 2. Choose your phone brand and follow the onscreen instructions to enter the download mode.

Enter download mode on Samsung with Home button

enter download mode on samsung with home button

Enter download mode on Samsung without Home button

enter download mode on samsung without home button

Enter download mode on Huawei

enter download mode on huawei

Step 3. After a few seconds, the program starts connecting your device.

enter download mode android

Step 4. Your device is in download mode successfully.

enter download mode successfully

One Click to Exit Download Mode

If your Android or Samsung stuck on "Downloading… Do not turn off target" screen, you can get it out of download mode by one click with the help of UltFone Android System Repair.

Step 1. Install and open this program on your PC. Connect your device to computer and select "One-Click to Exit Download Mode" function.

exit download mode on Android

Step 2. Your device is out of download mode successfully after a few seconds.

fix android stuck in download mode
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Part 4: Repair Android System

If your new Samsung S20 won't turn on or charge after an update, you can use UltFone Android System Repair tool to solve it without losing data.This software aims to solve 50+ Android issues efffectively, including Android/Samsung phone won't turn on, Samsung boot loop, Samsung stuck on logo, etc.

Note: The "Reapir Android System" feature currently only supports Samsung models.

Download and install this program to a PC, and follow the easy steps below to fix Android to normal.

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Setp 1.Connect Device

Connect your device to computer with a USB cable, and choose "Repair Android System" function from the main interface.

repair android system

Step 2. Click Repair Now to Proceed

In the next screen, please click the "Repair Now" button to continue.

fix android to normal

Step 3. Select Your Device Info

Before continue, please select the correct device information in turn on the screen.This is important as any wrong info may cause your device to be bricked.

select device info

Step 4. Download Firmware Package

After selecting the correct device info, this program will start downloading the corresponding firmware package.

download firmware package

Step 5. Start Android System Repair

The firwmare package downloading takes a few minutes. You can click Repair Now button after the firmware is downloaded successfully.

firmware package is downloaded successfully

Before the system repairing start, please read the tips on the screen to ensure repair success. Click Continue button to continue.

android system repair tips

Next, you need to put your device into download mode to launch the repair process.

enter download mode on Android enter download mode before android repair

Once the program detects that your device is in download mode successfully, the repairing process starts automatically.

repairing Android system

Step 6. Android System Repair Completed

The process takes 10 minutes around. Your Android device will reboot to normal after the repair process completes.

android system repair completed
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Part 5: One Click to Clear System Cache

As you may know, Android OS uses partitions to organize files and folders on your device. One of these partitions is the system cache, which can enable faster access when using apps.But cached files can become corrupted or overloaded and cause performance issues. Periodically clearing the cache on Android phone can help eliminate performance issues on the device.

Step 1.Launch this program on your computer,and connect your Android phone to computer with a USB cable.

Step 2. If your phone is not turned on USB debugging,please follow the steps to enable it. This program will detect your phone brand and show the steps to enable USB debugging accordingly.

samsung usb debugging
Note: If your device cannot turn on the USB debugging successfully, you can choose the General USB debugging setting to see more.

Enble USB debugging on Android 6.0 or later:

Enter "Settings" >>> Click "About Device" >>> Click "Software info" >>> Tap "Build number" for 7 times until getting a note "You are under developer mode" >>> Go back to "Settings" >>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 6.0

Enble USB debugging on Android 4.2 to 5.2:

Enter "Settings">>> Click "About Device" >>> Tap "Build Number" for 7 times until getting a note "You are under developer mode" >>> Go back to "Settings">>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 4.2

Enble USB debugging on Android 3.0 to 4.1:

Enter "Settings" >>> Click "Developer options" >>> Turn on "USB debugging".

enable usb debugging on android 4.1

Enble USB debugging on Android 2.3 or earlier:

Enter "Settings" >>> Click "Applications" >>> Click "Development" >>> Turn on "USB debugging".

enable usb debugging on android 2.3

If you are not sure the Android OS, you can click "More specific USB debugging settings>>" from the top right menu, where you can choose the phone brand for continue instructions.

specific usb debugging settings

Step 3. Once the device is recognized, you can click "One-Click to Clear System Cache" on the interface.

clear android system cache

Step 4. This program will start clearing system cache on Android.

clearing android system cache

Step 5. The process won't take too long. The cached data has cleared successfully.

the cahced data has cleared on Android
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