These are the best custom ROMs for the Sony Xperia Z3 smartphone. You should find most of these ROMs are working for any version of the Xperia Z3, though the download links will give you all the information you need on those.

Sony Xperia Z3

RXSW Z5 Experience:

This is a custom ROM which comes with most of Xperia Z5 UI, stock apps and features that you can have on your phone. This custom ROM is smooth and fast with lots of battery saving tweaks for better battery performance. This ROM also have theme chooser and more features you can check out below.

Features: Based on Android 5.1.1 Lollipop, pre rooted, ambient display, OTA updates, task manager in status bar, quick settings tiles customization, custom Z5 sound engine and themes, file manager included, debloated and deodexed, zip aligned, modified camera and default apps.

Download RXSW Z5 Experience ROM

Existenz Premium:

This custom ROM is made of stock ROM of Xperia Z3 for the best performance and battery backup. Most of the features of this custom ROM cones straight from popular custom ROMs like CM 12, AOSP, slimLP and Blisspop. You will get most out of this ROM by choosing what to install using the AROMA installer which is the best part of this ROM.

Features: Android 5.1 Lollipop based, various battery icon styles, clock alignment, date settings, network indicator, notification count, notification ticker, network traffic indicator, battery bar, double tap on status bar to sleep and wake, weather on notification drawer, carrier text, enlarge first row, customize quick settings tiles, brightness slider and toggle.

Download Existenz Premium ROM

CyanogenMod 12.1:

CyanogenMod is the most popular custom ROM in all the smart phones and tablets. CM 12.1 custom ROM is based on user interface and features of Android 5.1 Lollipop. This custom ROM is simple yet powerful with a phone have a hardware like Xperia Z3 had.

Features: Android 5.1 Lollipop based, status bar tinting, notification drawer background customization, status bar customization, custom dpi, CPU control to overclock processor, cache cleaner, deodexed, zip aligned and battery saver in settings.

Download CyanogenMod 12.1 ROM


MIUI V7 is Xiaoni’s official OS with simple and fast user interface having Android 5.0 Lollipop at the core. This ROM had some cool features which you won’t find in any other Android based custom ROM so try it once on your phone also.

Features: Android 5.0 lollipop based, refreshed task manager and recent apps, double tap on lock screen to launch music player, brightness slider in notification drawer, Chinese apps removed, OTA updates, theme store.

Download MIUI V7 ROM

Moonwalker Epidemic V8.0:

Moonwalker ROM is made with a base on Android 5.1 Lollipop to give your Xperia Z3 the best performance. You can check using any benchmark app which can show you how powerful this custom ROM is.

Features: Android 5.1 Lollipop based, custom boot animation and shutdown animation, custom dpi, lock screen short cuts, status bar tinting, status bar icon customization, Xperia Z5 home screen, app drawer and system UI.

Download Moonwalker Epidemic V8.0 ROM

Zyxx OS:

Zyxx OS is the first custom ROM which is based on Android 6.0 Marshmallow. This custom ROM had stock Android 6.0 Marshmallow user-interface with stock apps and system UI. I believe you’ll love this ROM if you like simple ROMs.

Features: Android 6.0 Marshmallow based, fast, stable, smooth, zip aligned, deodexed, debloated, modded Google Now launcher, CM 13 theme engine with some themes installed and more available at Google Play Store.

Download Zyxx OS ROM

Resurrection Remix 5.5.9:

Resurrection Remix 5.5.9 custom ROM is based on Android 5.1.1 Lollipop and this ROM is really fast, smooth and stable. You will get some real performance on your Xperia Z3 and after that you are going to love this custom ROM.

Features: Android 5.1 Lollipop based, enable disable navigation bar, status bar tinting, SuperSU indicator, notification count, network speed indicator, carrier label, quick pull down switch, notification drawer customization.

Download Resurrection Remix 5.5.9 ROM

Y ROM Power Edition:

As the name says this Y ROM build is power edition and going to provide your Xperia Z3 so much power that you can do dome extra ordinary with it. You can even multitask two different high graphic games at one time on your phone using this custom ROM.

Features: Android 5.1 Lollipop based, OTA updater, battery performance, Google Play Edition elements, fully deodexed, heavily debloated, smooth interface, fast and stable, enabled call recording, dynamic navigation bar.

Download Y ROM Power Edition ROM

CyanogenMod 13:

CyanogenMod 13 custom ROM is based on Android 6.0 Marshmallow and all other custom ROMs always use CM builds to use it as base. This build of CM13 is not official some developer on XDA developer ported this custom ROM for Xperia Z3.

Features: Android 6.0 Marshmallow based, CPU control, custom DPI, modified Google Now launcher, customize-able notification drawer, quick tiles customization, quick pull down settings, enable disable navigation bar, slim recent apps.

Download CyanogenMod 13 ROM

Mr. SL v2.4 ROM:

Mr. SL ROM is best custom ROM for your Xperia Z3 because this custom ROM is themed as iOS 9 which makes it more fast, stable and smooth. This custom ROM also have some other awesome themes to change the interface of the OS.

Features: Android 5.1 Lollipop based, AROMA installer, Sony’s official weather, updated sound data, repaired sound adjustment, replacing the official home page, modify calendar interface, album interface, Xposed interface mods, dial interface refurbished.

Download Mr. SL v2.4 ROM

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