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How to Install TWRP Recovery On Samsung Galaxy S9 Plus

Being able to experience a great Android UI on a daily basis is possible only if you learn what kind of tweaks to apply, depending on what you wish to achieve from your Samsung Galaxy S9 Plus. But regardless of the custom operations that you will eventually perform for customizing and optimizing the built-in Android system, you will have to set up a custom recovery image first. And in that regard we are here with a detailed tutorial which will show you the easiest way in which TWRP recovery can be now installed on the Samsung Galaxy S9 Plus.

By default your Samsung S9 Plus is running on stock recovery, an environment from where you can access the Android UI and perform certain customization and optimization procedures – for example, you can initiate a hard reset, you can manually add a new OTA package or you can clear app data cache. Now, the TWRP recovery platform will replace the stock recovery and will extend the access that you have within the Android core system. That’s why, on the new custom recovery environment you will be able to initiate endless tweaking procedures for being able to unleash the true potential of your Android powered handset.

And, in that respect here are a few proofs in terms of tweaks that can be easily applied from TWRP recovery: you can quickly gain root access on your Galaxy S9 Plus, you can remove bloatware, you can add root-only apps and tools from other sources than Google Play, you can make Nandroid backups for saving Android files, you can set up custom MODs and kernels, you can update your phone with custom ROMs such as Lineage OS, AOKP or Paranoid Android, and you can even overclock / undervolt CPU frequencies.

TWRP recovery is a platform that extends the use of stock recovery image. Is based on CWM recovery and features a touch-based UI along with extremely useful settings through which tweaks can be performed on your Galaxy S9 Plus. However, it is a third party app that cannot be associated with your OEM. So, completing this guide is implying in performing an unofficial operation. Thus, to conclude these lines, you will most likely lose your phone’s warranty and the access to some built-in apps – Samsung KNOX will get tripped, though it can be reverted if you choose to reinstall the stock Android firmware on your handset, situation during which everything will be restored back to default state.

You need to make a backup on your Samsung Galaxy S9 Plus before flashing the TWRP recovery software. It’s important to take care of what might be still required afterwards as during the steps from below you will have to make a hard reset and clear app data cache. Shortly, you can lose sensible data including stuffs like contacts, call logs, texts, images, videos, audio files, market apps, internet settings, calendar info, EFS folder, IMEI / NVRAM data and similar other packages. A complex backup can be applied quickly, in several ways: through built-in Samsung cloud storage tools, by using already tested backup and restore apps from Google Play, by syncing files with your personal Google Account or by using an external storage device.

It’s going to be a manual flashing process and a computer will be required. And, for setting up TWRP recovery Odin will be installed on your PC – this flashing program is developed and also offered by Samsung, so from this perspective you have nothing to worry about as you won’t have to use a risky or complex third party program.

On your phone you must access Developer Options. As you might know, this field should be located under general Settings and if you don’t find it there just follow: navigate towards About Phone and in there start tapping repeatedly on Built Number and keep doing that until the ‘you are a developer’ message pops up.

Your Galaxy S9 Plus and its USB cable will be required below – a connection between your phone and your PC will have to be established. And for making things work on your PC you first have to install the Samsung Galaxy S9 Plus drivers and you can do that by using the Samsung KIES toolkit.

Charge your Android device before starting this manual tweaking process. It is important to plug in the charger especially if the power that’s left is lower than 50%: in that case while trying to install TWRP recovery your S9 Plus might get switched off and a sudden shut down might cause severe problems on your device (you can even end up in soft bricking your smartphone).

Experiencing software related problems might happen if you choose to follow this step by step guide if you don’t own the Samsung Galaxy S9 Plus – use the steps from below only if you have the Exynos model of this device. Don’t do it otherwise as you will only end up in messing things up.

How to Install TWRP Recovery On Samsung Galaxy S9 Plus

  1. Open your computer and download Odin – from this page. Then, install the flashing program just by running the executable file and by following on-screen prompts.
  2. On your computer you also have to download the TWRP recovery package that’s available for your Galaxy S9 Plus (from here), the DM Verity disabler (from here) and the OEM unlock fix file (from here).
  3. Save all these files on desktop.
  4. Power off your Android device, wait a few seconds and afterwards reboot it into download mode – it can be done by pressing and holding Volume Down, Power and Bixby buttons together.
  5. On your computer open Odin.
  6. Use the USB cable and connect your smartphone with your computer.
  7. Odin should now return the ‘added’ message while its ID:COM section should be yellow or blue; if that’s not happening, choose to reinstall your phone’s drivers on your PC and after doing so repeat the steps from above.
  8. Now, on Odin click on the AP button and go ahead and pick the TWRP recovery package.
  9. Don’t select the Re Partition and the Auto Reboot options and click on Start for initiating the TWRP recovery flashing process.
  10. When it will be done the ‘pass’ message will be returned and the ID:COM field will be turned green.
  11. At this point you need to access recovery mode on your Galaxy S9 Plus: press and hold the Power and Volume Down buttons until the screen goes off and when it does while still holding down Power button press and hold the Volume up key (basically, switch the Volume Down key with the Volume Up button).
  12. In recovery you will be asked if you want to ‘allow for system modification’; select ‘keep read only’ and proceed to recovery mode menu.
  13. In there choose to make a full wipe – clear app data cache and make a hard reset; just select ‘wipe data factory reset’ followed by ‘wipe cache partition’ and by ‘wipe dalvik cache’.
  14. Now, from your computer transfer the other two downloaded files on your smartphone.
  15. And afterwards, in TWRP recovery tap on Install, load the DM verity disabler and the OEM Unlock fix packages and apply then on your phone.
  16. When done, go back to main menu of recovery and choose to reboot to Android mode.
  17. And that should be all.

In case Odin stops from running while you try to set up the TWRP recovery package, don’t panic and follow: close the flashing program and also choose to end its associate processes from Task Manager; also, disconnect your Samsung Galaxy S9 Plus from your computer; reinstall your phone’s drivers on your PC; force-restart your Android device; and repeat the flashing steps from the beginning.

If your S9 Plus is ending up in a boot loop, do apply: go back to recovery mode menu as already explained; repeat the full wipe process just as showed above; return to Android mode as everything should run as expected now.

That should be all as you can anytime now reboot your Samsung Galaxy S9 Plus into TWRP recovery – a detailed guide that contains different reboot methods that can be used for quickly reaching the custom recovery image on your smartphone can be checked out here.

So, that was all for today as you can successfully use the custom recovery image on your own device. Thus, you can now start other tweaks and customizations on your S9 Plus in order to improve the overall Android experience and unleash the true potential of your handset. Stay close for further Android related tips and tricks and share how everything worked for you by using the comments field from below. Enjoy.