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Thanks Roshan Ejaz for pointing me to the other forum.<br />
<br />
As I asked in my post, I am really hoping that someone with hands-on experience will help me here.
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Thanks Roshan Ejaz for pointing me to the other forum.

As I asked in my post, I am really hoping that someone with hands-on experience will help me here.

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what is the model no of your Samsung S3?
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Rizzle was right. After upgrading the S3 I had several problems, one of which I couldn't live with. That was the Bluetooth was unusable. Calls would be crackly to the point it was useless. I ended up restoring my phone to the old OS and buying a new one.
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Rizzle was right. After upgrading the S3 I had several problems, one of which I couldn't live with. That was the Bluetooth was unusable. Calls would be crackly to the point it was useless. I ended up restoring my phone to the old OS and buying a new one.

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<div class="content wysiwyg-content">
I have a Samsung Galaxy S3.<br />
I want to upgrade to to Android 5 or 6 so I can use the Android Auto app with my new car.<br />
Do you have experience upgrading an S3?<br />
If so, should I do it?<br />
Which ROM should I use?<br />
Are there any know issues with your recommended ROM?<br />
<br />
Please only reply if you have hands-on experience with this.
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I have a Samsung Galaxy S3.
I want to upgrade to to Android 5 or 6 so I can use the Android Auto app with my new car.
Do you have experience upgrading an S3?
If so, should I do it?
Which ROM should I use?
Are there any know issues with your recommended ROM?

Please only reply if you have hands-on experience with this.

Update Samsung Galaxy S3 to Android 5 or 6

Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets. Android's user interface is based on direct manipulation, using touch gestures that loosely correspond to real-world actions, such as swiping, tapping and pinching, to manipulate on-screen objects, along with a virtual keyboard for text input. In addition to touchscreen devices, variants of Android are also used on notebooks, game consoles, digital cameras, televisions, automobiles and other electronics. Applications are usually developed in Java programming language using the Android software development kit (SDK), but other development environments are also available, including Delphi, Ruby and Visual Studio (using C++).

Android

A smartphone or smart phone is a mobile phone with an advanced mobile operating system that combines features of a personal computer operating system with other features useful for mobile or handheld use. They typically combine the features of a cell phone with those of other popular mobile devices, such as personal digital assistant (PDA), media player and GPS navigation unit. Most smartphones can access the Internet, have a touchscreen user interface, can run third-party apps, music players and are camera phones. Most Smartphones produced from 2012 onwards also have high-speed mobile broadband 4G LTE internet, motion sensors, and mobile payment mechanisms.