Installing a custom ROM

[Dracindo]

A custom ROM provides lots of benefits, such as improved battery, better performance, and updates to the latest Android versions. Before you start with this, make sure to back up your files first.

You will also need an unlocked bootloader, custom recovery, Android device, GApps, and a custom ROM.

Step 1: Download a ROM
Find a ROM and make sure you download the right one for your device, by verifying that it’s compatible with your phone model.

Once you have found the ROM you want, download the .ZIP file. Do not extract it! Then find the corresponding GApps. Save your ROM and GApps to your SD card, internal storage, or flash drive.

Step 2: Boot into Recovery
To get into recovery mode, hold down the Volume Down and Power buttons for 5 seconds. Once you are in recovery, you should see something like this

Step 3: Flash ROM
Now go ahead and select Install. When you've selected your ROM file. Proceed to flash the zip

Step 4: Clear Cache
Once the installation is finished, back out and clear your cache.

This is the most common way to do it, but there are other ways.
I hope this guide was any usefull.