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How to update the ROM of my Android mobile phone? Step by step guide

How to update the ROM of my Android mobile phone? Step by step guide

When we talk about updating the Android operating system , we always think about going to the official updates or that the manufacturer automatically sends to our devices. Thanks to these, we can take the terminals to versions like Kit Kat, Oreo or P and take advantage of the features that each of these versions has and makes them differ from the rest.

However, in networks there are many ROMs (Read Only Memory) , modified versions or simply the same updates, but available through other platforms than usual (normally, the phone’s own settings). The versatility they possess is something that gives them numerous advantages and that can make our terminal change completely; but its installation can sometimes be something that escapes the capabilities of many.

If you are one of those who still do not know how to update the ROM of your mobile or cell phone , this guide is for you. We will show you all the steps to follow to be able to make the Android update on your device without any problem. Step by step and highlighting the important points so that you do not get lost at any time and can proceed without problems or complications.

Steps to update the ROM of your mobile or cell phone

In addition, we will also show you what are the fundamental requirements to make this installation without mishaps, as well as the possibilities you have of to preserve all the information of your smartphone when finished . And there are few cases in which, after installing the new ROM, a user has lost everything he had before starting.

There are several steps necessary to install a new update of your smartphone’s ROM . As it is something that moves outside the “secure environment” of Android and Google, you have to proceed very carefully to avoid problems , as well as to make sure that all the information is saved once Finish with the installation. Next we will explain everything you need to do from scratch , both when preparing the smartphone and when installing the new Android ROM.

Prepare your phone and files

Before installing or updating anything, you need to prepare a series of essential elements to not only be able to update the ROM, but also to be able to fix the terminal in case there is a problem or hit the road, you better insure from the beginning.

Hacer un Custom Recovery para instalar nueva ROM en telefono movil

It is important that meet the points that we are going to indicate below if you want the process to be done correctly and, above all, secure:

  • First, make a backup copy of everything on your phone . Start by extracting all your important photos, videos and documents and save them to a computer or microSD card by copying them to it.
  • Then, make a backup of the entire terminal . To do this, you have to do what is known as Nandroid Backup . Turn off your mobile phone and, when you turn it on, press and hold the volume button up or the relevant button to access the “ Recovery ” mode of your terminal (you must have previously installed a Custom Recovery ).
  • Within this, you will scroll with the volume keys and accept with the on / off, unless it is tactile. Now, go to the “Backup” section, mark everything you want to protect and then accept to have the backup done. You will have to wait several minutes.
  • When finished, the following is to make sure you have the file “ .zip ” that contains the ROM you want to install, the native Google apps ( GAPPS) and of course the fix to use.

Update with the new Android ROM

To install the new Android ROM and have the new version , you just have to follow a few simple steps that also require only a few minutes. Even so, it is important that caution be exercised and that the above-mentioned requirements are met, above all. Otherwise, your phone could even be disabled.

Now, these are the steps you have to take:

  • Make sure your smartphone’s battery is fully charged . If not, charge it and leave the phone connected to its power charger throughout the process.
  • Turn off your terminal and turn it on again to access the “Custom Recovery” . It is important to use the right button combination to be able to do it, remember that it is something that depends on each cell phone model.
  • When you enter, the first thing you should do is clean your smartphone. Access the “Clean” or “Wipe option and enter the advanced parameters to activate the” Cache “options and , if “ Dalvik Cache ” appears.
  • After this, go to the option “ Install ” or “ Install» . Click on it and then go to the path where all the files you had copied in the internal memory are located. You have to install first the “.zip” with the ROM , then proceed with the fix and, finally, install GAPPS if it is necessary. All this through the same Custom Recovery menu .
  • Once you have done all these installations, the next thing to do is click on “ Wipe ” to clean again and then restart the phone.
  • When you reboot, this time without any button pressed , you will enter your new update of the Android ROM.

Can I keep my phone data when installing a new ROM?

One of the biggest concerns of users when carrying out this type of updates in terminals that do not have official updates or that simply seek to install different roms on their phones, is whether it will be lost the information that was before doing the entire installation process .

If you have followed the steps that we have indicated in the previous section, you will not lose contacts, documents or anything you had before you started. This ROM update procedure is designed to preserve all data without losing anything along the way, even to recover everything in case there is a failure during the process.

On the other hand, if you have followed another routine to install the new ROM on your Android phone, you may lose some information. That is why it is so important to make a previous backup on an external device , to be able to reset everything in case of problems.