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Update Motorola Moto G5S Plus to Android 8.1 Oreo with Resurrection Remix custom ROM

The Motorola Moto G5S Plus is going to receive the official Android 8.1 Oreo support in form of a new OTA. However, until then you can already choose to test and try the new Android build with the help of a dedicated custom ROM platform. Well, in that respect, a good idea will be to flash and boot the new Resurrection Remix software, which was successfully developed and ported on the Motorola Moto G5S Plus – you have the update process explained and detailed during the following lines.

Resurrection Remix is one of the most popular custom ROMs available for the Android system. This update is now based on Android 8.1 Oreo and brings important features, apps and capabilities that can improve the default Android functionality. For your Motorola Moto G5S Plus this particular custom update can speed things up, offer endless tweaking possibilities and upgrade battery life. Moreover, the Oreo firmware will be stable and smooth as the main system is light and fast.

However, this is not the final release of Resurrection Remix as the firmware is still under development stage for the Motorola Moto G5S Plus. But, that shouldn’t scare you – the Android 8.1 Oreo OS should run without problems on your phone even though, from time to time (rarely) you can still experience some minor bugs, lags or screen freeze.

Resurrection Remix is developed by those of xda-developers which mean that we have to thank them for this new Android Oreo update opportunity that’s available for the Motorola Moto G5S Plus. Anyway, one thing shouldn’t be forgotten: this is not an official roll out of Android 8.1 Oreo, but a ported version of the same platform. So, you cannot associate the guidelines explained below with your OEM or with Google. Bottom line, you are going to lose your phone’s warranty if you choose to apply this unofficial update procedure.

Furthermore, for being able to complete all the steps from this tutorial you first have to root your Android based device. In this way you will manage to unlock the current Android OS, an aspect required when discussing about unofficial updates. Additionally, on your smartphone you must use a custom recovery image – preferable TWRP recovery. This custom recovery environment will be used during the flashing operation as the custom ROM package is offered in form of a custom .zip file.

A hard reset will be completed during the Android 8.1 Oreo flashing process. Without erasing everything that wasn’t there from default you won’t be able to use the Resurrection Remix firmware on your Motorola Moto G5S Plus. So, be careful and try not to lose your personal data, info, accounts and files. In that respect I now recommend you to apply a general backup operation – by syncing files with your Google Account, by using built-in cloud storage apps from your Motorola handset or by downloading and using dedicated backup and restore tools available on Google Play. In that way you should successfully save your contacts, call logs, texts, images, videos, audio files, market apps, internet settings, calendar info, saved passwords and further more.

And since a custom ROM is used and you might not like how the new firmware performs you should first make a Nandroid backup process. This operation will help you save the current Android OS that runs on your Motorola Moto G5S Plus. So, in the end, you can use the Nandroid backup package if you want to restore the stock Android OS – if, for example, the Resurrection Remix will not perform as you expected.

For the update process you will need to use a computer – as this is a manual operation. Additionally, your Motorola Moto G5S Plus and its USB cable will be required. Also, on your phone you first need to enable Developer Options – just tap repeatedly on Built Number (within Menu – > Settings – > About Phone) until the ‘you are a developer’ message is displayed. Afterwards, from Developer Options (within Menu – > Settings – > Developer Options) check the USB Debugging field.

Take a look on your smartphone and verify the power that’s left on your handset. In case the power is lower than 50% you should first charge your device. If you don’t to do that your Motorola Moto G5S Plus might get turned off while the Resurrection Remix firmware is being installed. Well, in that particular situation you can end up in experiencing different software related problems such as boot loops, total blackouts, battery drain and so on. Thus, try to avoid such situations by charging your device before doing anything else.

How to Update Motorola Moto G5S Plus to Android 8.1 Oreo with Resurrection Remix custom ROM firmware

  1. Start by getting the required files: the Resurrection Remix custom ROM package for your Moto G5S Plus can be downloaded from here, while compatible Google Apps is available at this page.
  2. Note: Google Apps package must be flashed separately because it isn’t included in the update file.
  3. Save these files on your computer and remember where you will have to use them in a few moments.
  4. Power off your phone and wait a few seconds; afterwards, go to recovery mode on your Moto G5.
  5. In recovery complete a hard reset and clear app data cache – that’s how a full wipe can be performed; so, select ‘wipe data factory reset’, followed by ‘wipe cache partition’ and by ‘wipe dalvik cache’.
  6. Return to recovery mode and choose to reboot.
  7. Next, ensure an USB connection between your phone and your computer.
  8. From your computer select and transfer the downloaded files on your smartphone.
  9. When done, remove the USB cord because the computer is no longer required.
  10. Go into recovery mode again.
  11. When that’s done, from recovery tap on Install. Pick up the Resurrection Remix file and swipe in order to start the Android 8.1 Oreo update operation.
  12. Repeat that last step for installing Google Apps.
  13. In the end, return to main menu of recovery and choose ‘reboot system now’.
  14. That should be all.

That’s the update operation that must be followed if you want to update your Motorola Moto G5S Plus to Android 8.1 Oreo right away without waiting for the official Motorola support. Keep in mind that in this case a custom ROM will be used; so, start testing the Resurrection Remix firmware and observe the main functionality. If you find something that isn’t running as expected, don’t hesitate and share your observations with us and with the other users who are ready to use this tutorial.