If you have used your Samsung Galaxy for some time and you notice a certain slowdown of the system, or you have made changes and feedback that some functions do not respond as they should, in these cases it may be useful to know the method to start your device in Recovery mode (Android recovery mode), in order to restore the whole system or part of it.
So is Recovery mode on Android phones
The Recovery mode is a separate partition located in the internal memory of the mobile phone that allows you to perform certain functions after restarting the device in this mode. This form of recovery on the Samsung Galaxy, but also on other Android devices, can allow you to perform some basic actions, such as clearing the data (restoring the default settings), clearing the cache, Dalvik cache, applying OTA.zip updates and more.
The most interesting aspect that you can access this part of memory even if the phone has suffered software damage, and by entering recovery mode you can fix the problem. In this article we will see howstart Galaxy in Recovery mode, which also applies to other Android devices with some small variation.
Why boot the phone in recovery mode
If your phone starts to slow down and behave in a strange way, the recommended thing is to restore the factory settings, and to do this you need to start the Galaxy in Recovery mode. This feature is useful when you are no longer able to enter phone functions due to system errors or corruption of important files. The method to go into recovery mode is the same for all Samsung Galaxy devices, so if you have owned any of the previous models, you probably know how to boot the phone in Recovery mode. If not, follow our procedure below which will help you start the Galaxy in Recovery mode.
How to boot Samsung Galaxy in Recovery mode
There are several types of Recovery that can be managed on your Galaxy: that onestock(included in the phone) or thatcustom(to be installed separately to have additional functions). However, the method of starting the phone in Recovery mode is the same for each type of recovery and to activate it you need to use a sequence of commands that we will see below. We see below how to start the phone in recovery mode from the device itself.
How to start the Galaxy in Recovery mode from the phone
- Turn off your Galaxy. You can do this by pressing and holding the power button and then clicking on Power Off.
- Once the phone is turned off, you will need to press the buttons simultaneously Volume up + Home button + Power button. Keep them pressed until the system starts loading, you will notice it because you see the animation on the display starts. Samsung Galaxy restarts. At this point you can release the keys.
- In seconds, the phone goes into Recovery mode.
How to start the Galaxy in Recovery mode from the PC
If your phone in the conditions that even the keys do not work, there is a method that allows you to enter Recovery mode through the PC. To do this you need i USB driver of your Galaxy installed on your computer and Minimal ADB and Fastboot, then follow this procedure.
- Download Minimal ADB and Fastboot from this link: Download.
Once installed on the PC and open the program, follow this procedure:
- Enable USB Debugging on your device. To enter USB Debug mode on Samsung you have to go to Settings and find this item in the section Developer options and then connect it to your PC.
- Make sure the phone is recognized by the PC: type the command adb devices in the screen that appears on the screen and press Submit. If below List of devices attached an alphanumeric value is returned, then the phone has been recognized.
- Type the command now adb reboot recovery and press invior. At this point the phone will reboot into Recovery Mode.
Once in Recovery mode, you can repair the operating system if it was not working properly or update the firmware. Let's now see the most used items in Recovery mode:
- eboot system now: this command restarts the device.
- apply update from: this instead allows you to install a new official firmware or to update the previous one. This assumes that you have previously downloaded the firmware and placed it in the phone's internal memory (update.zip – * .img), or on the SD card (option external storage) or from the PC (adb).
- wipe: the wipe command clears the phone data. In the case of data / factory reset this will restore the Galaxy to factory settings while the function cache partitions allows you to solve the bootloop problem (when the phone continuously shows the initial animation without starting Android).
Modified Recovery installation
As we have seen, with the Android system recovery mode you can do different things, such as deleting data, performing a factory reset, applying OTA updates and much more, but this limited recovery and there are many other features that cannot be activated .
If you like to tweak and need to make changes on your Android device, how to install modified ROMs, etc. you will need to install a third-party Recovery.
If you want to get more advanced features, you need to install one of them on your phone Recovery modified made by independent developers, such as ClockworkMod RecoveryorTWRP Recovery, with which you extend the functionality of the recovery stock. What can be done with a modified Recovery?
- Install third-party ROMs, which replace the original version of Android.
- You can perform Nandroid Backup (saves of the entire operating system, including all data).
- Improve customization and simplify how to use recovery stocks.
Installing a modified recovery on your Android device is very simple, but this operation sometimes involves the loss of warranty. Also, before installing one of the modified recovery, good to know what you are doing to avoid causing damage to the phone.
As we said, several custom restores can be installed, but the ones we recommend are two, ClockworkModis TWRP Recovery. You can flash these Recovery by downloading them from the Play Store and selecting the item "Install / Flash …" inside it.
If you want to have more information on the modified recoveries, I recommend you read some guides that we have published on this site: How to install TWRP 3.0.x Recovery on Android or How to install the ClockworkMod Recovery on Android to expand its potential.