[How to] Install CM 12.1 (Android 5.1.1) on Samsung Galaxy S2

Galaxy S2 was launched in 2011. It is powered by a 1 GHz dual core processor and 1 GB RAM. It had 16/32 GB internal storage options which could be further expanded by 32 GB via microSD card. It also had a 8 MP rear camera and a 2 MP front facing camera. It originally ran on Android 2.3.4 and was later upgradable to Android 4.1.

Samsung Galaxy S2 was the device which really put Samsung on the map. It was one of the best devices launched at that time and there were record sales. But it has been long time since and the official support has stopped which means no Android updates. However CM 12.1 ROM is available for Galaxy S2 which will update this device to Android 5.1.1. Follow the guide below.

Galaxy S2

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[How to] Install Android 5.1.1 based CM 12.1 ROM on the Galaxy S2

Galaxy S2 was launched in 2011. It is powered by a 1 GHz dual core processor and 1 GB RAM. It had 16/32 GB internal storage options which could be further expanded by 32 GB via microSD card. It also had a 8 MP rear camera and a 2 MP front facing camera. It originally ran on Android 2.3.4 and was later upgradable to Android 4.1.

The CyanogenMod team have developed an Android 5.1.1 based ROM for the Galaxy S2. This ROM has been developed based on the changelog released by Google. The OS will be Android 5.1 but there will be some of the features of Android 5.1.1. To install this ROM on Galaxy S2, follow the guide below.

Galaxy S2

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